® Engine Engine Model Cat ® C27 ACERT ® Gross Power – SAE J1995 552 kW 740 hp Net Power – SAE J1349 524 kW 703 hp Weights – Approximate Target Gross Machine 100 698 kg 222,000 lb Operating Weight Operating Specifications Nominal Payload Class (100%) 55 tonnes 61 tons Maximum Working Payload (110%) 60 tonnes 67 tons Not to Exceed Payload* (120%) 66 tonnes 73 tons Body Capacity – SAE 2:1 35 m 3 45.8 yd 3 • Nominal payload and capacity based on High Impact Steel Body with 20 mm (0.787 in) steel floor. Liner and attachment selection will affect payload and maximum gross machine operating weight. * Refer to Caterpillar 10/10/20 policy for maximum gross machine weight limitations. 773F Off-Highway Truck
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EngineEngine Model Cat® C27 ACERT®
Gross Power – SAE J1995 552 kW 740 hpNet Power – SAE J1349 524 kW 703 hp
• Nominal payload and capacity based on High ImpactSteel Body with 20 mm (0.787 in) steel floor. Liner andattachment selection will affect payload and maximumgross machine operating weight.
* Refer to Caterpillar 10/10/20 policy for maximum grossmachine weight limitations.
773FOff-Highway Truck
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773F Off-Highway TruckEngineered for performance, designed for comfort, built to last.
Top Performance.Developed specifically for mining, quarryand construction applications, the 773Fkeeps material moving at high volumeto lower cost-per ton.
Reliable, Durable, Dependable.Rugged construction and easymaintenance procedures ensurelong life with low operating costs.
Information & Monitoring Systems
Standard on the 773F, the CatMessenger system provides real-timeengine performance and operatingdata. The 773F also offers the optionalVIMS Advisor monitoring system,providing data for more than250 machine functions. pg. 13
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Serviceability
The 773F offers 500-hour engineservice intervals – 250 hours morethan the 773E. Simplified service andmaintenance features combined withimproved service access are designedto reduce downtime. pg. 12
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Structures
The 773F features a mild-steel, box-section type frame, proven on the 773Eto deliver durability and long life withlow operating costs. Castings andforgings are strategically placed in high-stress areas to evenly distribute stressesand provide long fatigue life. pg. 6
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Power Train – Transmission
The Cat® seven-speed power shifttransmission matched with the Cat C27engine with ACERT Technologyprovides constant power and efficiencyover a wide operating speed range foroptimal power train performance. pg. 5
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Power Train – Engine
The Cat® C27 engine with ACERT®
Technology uses advanced enginetechnology to reduce emissions withoutafter-treatment. The turbocharged,aftercooled 12-cylinder engine hashigher horsepower and faster responsefor superior performance in demandingapplications. pg. 4
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✔ New Feature
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Customer Support
Cat dealers provide unmatchedproduct support, anywhere in the world.With industry-best parts availabilityand a wide range of maintenance andservice options, Cat dealers have whatit takes to keep your hauling machinesproductive. pg. 16
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Safety
Caterpillar sets the standard whenit comes to safety in the design andmanufacturing of heavy equipment.Safety is not an afterthought atCaterpillar, but an integral part of allmachine and systems designs. pg. 17
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Truck Body Systems
The 773F offers five different BodySystem selections to accommodatealmost any type of application.These systems are designed to maximizestrength and durability through rigoroustesting in harsh environments to ensurethe lowest cost per ton. pg. 14
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Brake System
Front dry disc and rear oil-cooled, multipledisc brakes are now hydraulicallycontrolled, reducing maintenance costsand improving operator control andmodulation. They provide exceptional,fade-resistant braking and retarding formaximum performance and productivityin all haul-road conditions. pg. 10
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Engine – Power Train Integration
The Cat Data Link electronicallycombines engine, transmission, brakeand operational information to optimizeoverall truck performance. Storeddiagnostic data can be accessed via theCat Electronic Technician (Cat ET)service tool to improve troubleshootingand reduce downtime. pg. 8
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Operator’s Station
The 773F features an all new operatorstation with enhanced visibility,increased operator space andergonomically designed controls thatset new industry standards for operatorcomfort. All controls and gauges arepositioned for optimum efficiency andtotal machine control. pg. 7
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Cat® C27 engine with ACERT®
Technology. With the C27 engine,Caterpillar optimizes engine performancewhile meeting U.S. EPA Tier 3 andEuropean Union Stage IIIa regulations.ACERT® Technology reduces emissionsduring the combustion process by usingadvanced technology in the air and fuelsystems, in conjunction with integratedelectronics. Caterpillar meets emissionregulations at the combustion source,rather than recycling exhaust.
Engine Design. The Cat C27 engine usesACERT Technology and iron-specificfeatures to deliver strong performanceand long-term durability.
EPA Compliant. The C27 engine iscompliant with U.S. EPA Tier 3 andEuropean Union Stage IIIa emissionsregulations, reducing NOx 27.5 percentfrom 4.8 g/bhp-hr to 3.0 g/bhp-hr overthe 3412E.
Single-Piece Piston Design.New single-piece forged steel pistonswith integrated forged steel skirt aremore robust to withstand high engineheat and pressure, and enable enhancedcombustion efficiency, improvedfuel efficiency and lower emissions.Corrosion-resistant, stainless steel topring reduces ring, groove and liner wearfor greater reliability and longer life.
MEUI Fuel System. Fuel delivery,provided by the MEUI mechanicallyactuated electronic unit injection system,involves a high degree of precision.Precisely shaping the combustion cyclelowers combustion chamber temperatures,generating fewer emissions andoptimizing fuel combustion. The systemsenses operating conditions and regulatesfuel delivery for optimum fuel efficiency,improved response times, lower emissionsand less smoke.
Electronic Control Module (ECM).ECM uses advanced engine managementsoftware to monitor, control and protectthe engine using self-diagnosingelectronic sensors. The computerizedsystem senses operating conditions andpower requirements and adjusts theengine for peak performance and themost efficient operation at all times.
Advanced Diesel Engine ManagementA4 Engine Controller. The ADEM™ A4electronic control module deliversoptimum fuel performance. The enginemanagement system provides flexiblefuel mapping, allowing the engine torespond quickly to varying applicationneeds. It tracks engine and machineconditions while keeping the engineoperating at peak efficiency.
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Power Train – EngineThe Cat® C27 engine with ACERT ® Technology is built for power, reliability and efficiencyfor superior performance in the toughest applications.
Mechanical Power Train. The Catmechanical drive power train and powershift transmission provides unmatchedoperating efficiency and controlon steep grades, in poor underfootconditions, and on haul roads withhigh rolling resistance.
Transmission. Pairing the Caterpillarseven-speed planetary power shifttransmission with the C27 diesel enginewith ACERT Technology deliversconstant power over a wide rangeof operating speeds.
• Transmission Chassis Control (TCC).TCC uses electronically transferredengine rpm data to execute shifts atpreset points for optimum performance,efficiency and clutch life.
Lock-Up Torque Converter. Combinesmaximum rimpull and cushionedshifting of torque converter drive withthe efficiency and performance of directdrive. The lock-up torque converterengages at approximately 8 km/h (5 mph),delivering more power to the wheels.
• Lock-Up Clutch. Quickly releases andre-engages to reduce power train torqueloads for smoother shifting, long lifeand a more comfortable ride.
• ECPC (Electronic Clutch PressureControl) System. ECPC modulates clutchengagement individually, allowing forsmoother speed and directional shifts.ECPC provides controls for both thetorque converter lock-up clutch and thetransmission clutches that are tailoredto each particular upshift or downshift.This provides the operator a superiorride and reduced fatigue.
Final Drives. Cat final drives work as asystem with the planetary power shifttransmission to deliver maximum powerto the ground. Built to withstand theforces of high torque and impact loads,double reduction final drives providehigh torque multiplication to furtherreduce drive train stress.
• Steering System. Hydraulic steeringcontrol system is designed for exceptionalsmoothness and precise control.A separate circuit prevents crosscontamination for long life.
• Battery Powered SupplementalSteering. A battery powered supplementalsteering system uses pressureaccumulators and allows up to three90 degree turns in case of engine failure.
• Wheels and Rims. Cast rear wheelsand Cat center-mount rims are mountedusing studs and nuts to minimizemaintenance and maximize durability.
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Power Train – TransmissionCat power train delivers more power to the ground for greater productivity and loweroperating costs.
Box-Section Design. The 773F frameuses a box-section design, incorporatingtwo forgings and 19 castings in high-stress areas with deep penetrating andcontinuous wrap-around welds to resistdamage from twisting loads withoutadding extra weight.
• Steel Structures. Mild steel usedthroughout the frame provides flexibility,durability and resistance to impactloads, even in cold climates, and allowsfor easy field repairs.
• Castings. Castings have large radiiwith internal reinforcing ribs to dissipatestress in areas of high stress concentration.Castings move welds to lower stressareas for greater frame life.
Integral Four-Post ROPS Cab.Resiliently mounted to the main framewith all-new cab mounts that reducevibration and sound, the integral ROPSis designed as an extension of the truckframe. The ROPS/FOPS structureprovides “five-sided protection” forthe operator.
Suspension System. Designed todissipate haul-road and loading impactsfor longer frame life and a morecomfortable ride.
• Cylinders. Four independent self-contained, oil pneumatic, variable-rebound suspension cylinders aredesigned to absorb shocks in themost severe applications.
• Durable Design. Rugged cylinders usea large diameter bore and low pressurenitrogen/oil design for long life withminimal maintenance.
– Front. Front cylinders with presetcaster and camber are mounted to theframe and serve as steering kingpins fora tight turning radius with excellentmaneuverability and low maintenance.
– Rear. Rear cylinders allow axleoscillation and absorb bending andtwisting stresses caused by uneven andrough haul roads rather than transmittingthem to the frame.
Technology Enhanced. Caterpillarstructures are tested using SystemStructural Analysis (SSA) to dynamicallysimulate operations in field environmentsand identify potential structuralimprovements in high stress areas.With analysis of machine structures andvariables, such as haul road and payload,structural improvements were made tothe frame to accommodate the new cab,platform, engine and radiator.
Quality Control. A CoordinateMeasuring Machine (CMM) is used toinspect truck frames for consistency inthe manufacturing process. Easy rebuildability is thereby achieved by ensuringthe frames are within tolerance, removingthe need to alter down-stream parts.
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StructuresRugged Cat structures are the backbone of the 773F off-highway truck’s durability.
Ergonomic Layout. The 773F operatorstation is ergonomically designed fortotal machine control in a comfortable,productive and safe environment.All controls, levers, switches and gaugesare positioned to maximize productivityand minimize operator fatigue.
New ISO Designed Cab Mounts.Integral, sound-suppressed cab isresiliently mounted to the frame toisolate the operator from sound andvibration for a quiet, secure andcomfortable ride.
Viewing Area. Designed for excellentall-around visibility and clear sight linesto the haul road. The large viewing area,with 100 percent more glass, enablesthe operator to maneuver with confidencefor greater productivity.
Air Suspension Seat w/Three-PointOperator Restraint. Ergonomicallydesigned, fully adjustable air suspensionseat with adjustable armrests providesoptimal driving comfort. A wide,retractable 3-point seat/shoulder beltprovides a secure, comfortable restraint.
Hoist Lever. Four-position, low effortelectronic hoist control system ispositioned next to the gear selectorin the right-hand console.
Secondary Brake Pedal. Convenientlylocated on the floor for easy operatorcontrol.
Steering Column. Comfortable steeringwheel with tilt and telescoping functionprovides a comfortable driving positionfor all operators.
Transmission Console. Ergonomic gearshift lever with backlit gear indicatorsprovides easy operation. The parkingbrake function is integrated into thegear selector.
Trainer Seat. The trainer seat is relocatedto the left of the operator, which allowstrainer to use same stairway.
When not in use, the fold-down trainerseat creates a working surface with cupholder. The seat also folds up, providingmore room for the operator. Under seatstorage is convenient for stowing alunch box.
Operator Controls. Easy to reach turnsignal, high beam, intermittent windshieldwiper and windshield washer controlsare located on the left side of the steeringcolumn, and are designed for optimumefficiency and comfort.
Heating/Air Conditioning. Electronicallycontrolled, four-speed fan and 13 ventsdeliver temperature-controlled aircirculation for a comfortable workingenvironment in any climate. Electroniccontrols reduce maintenance. More robustair compressor offers a 25 percentincrease in BTU’s, greater durabilityand longer life.
Radio Ready. Cab is prewired withpower converter, speakers, wiringharness, antenna and necessities foradd-on communication systems.
Multiple Power Ports. Power ports areconveniently located in three locationsin the cab: one in the right-hand console,two behind the trainer seat, and one inthe dash.
Truck Production Management System(TPMS) (optional). TPMS providesvaluable payload and cycle time data,which is viewed through Messengeror VIMS™ Advisor to improveproductivity.
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Operator’s StationErgonomically designed for operator comfort, superior control and high productivity.
Cat Data Link. Electronically integratesmachine computer systems to optimizeoverall power train performance,increase reliability and component life,and reduce operating costs. All controlmodules communicate via the Cat DataLink and work together as an integratedsystem to maximize productionefficiency and extend component life.
Transmission Chassis Control (TCC).TCC uses electronically transferredengine rpm data to execute shifts atpreset points for optimum performance,efficiency and clutch life.
Electronic Technician (Cat ET). Cat ETservice tool provides service technicianswith easy access to stored diagnosticdata through the Cat Data Link tosimplify problem diagnosis and increasemachine availability.
Controlled Throttle Shifting. Regulatesengine rpm during shifting to reducepower train stress and clutch wearby controlling engine speed, torqueconverter lock-up, and transmissionclutch engagement for smoother shiftsand longer component life.
Directional Shift Management.Regulates engine speed during directionalshifts to prevent damage caused byhigh-speed directional changes.
Neutral Coast Inhibitor. Prevents thetransmission from shifting to neutralat speeds above 6.5 km/h (4 mph),protecting the transmission fromoperating with insufficient lubrication.
Body-up Shift Limiter. Prevents thetransmission from shifting above apre-programmed gear without the bodybeing fully lowered. This function isprogrammable via Cat ElectronicTechnician (Cat ET) and Messengeror Advisor.
Body-up Reverse Neutralizer.Automatically shifts the transmissionto neutral if the hoist lever is activatedwhile the transmission is shiftedin reverse.
Overspeed Protection. The transmissioncontrol electronically senses engineconditions and automatically up-shiftsone gear to prevent overspeeding.If overspeeding occurs in the top gear,the lock-up clutch is disengaged, andthe brakes are applied.
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This system electronically combines critical power train components to work together moreintelligently to optimize overall truck performance.
Engine – Power Train Integration
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1 Engine Control Module (ECM) 2 Sensors 3 Electronic Unit Injector (EUI) 4 Automatic Retarder Control (ARC) and Traction Control System (TCS) 5 Transmission/Chassis Control (TCC) 6 Transmission 7 Wheel Sensor 8 Brakes 9 CAT Data Link 10 Cat Messenger
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Programmable Top Gear. Transmissiontop gear maximum can be set usingCat Messenger, VIMS Advisor or theCat ET service tool to help the operatormaintain speed limits.
Anti-Hunt Function. This functionminimizes shifting by not allowingthe transmission to up or down shiftimmediately after a shift has occurred.This prevents gear hunting whenoperating near a shift point andminimizes transmission shiftingfor increased component life.
Downshift Inhibitor. Prevents engineoverspeeding by keeping the transmissionfrom downshifting until engine speedreaches the downshift point.
ECPC Control. Both the torque converterlock-up clutch and the transmissionclutches now have software-control forclutch fill and slip characteristics toprovide superior smooth shifting.
Economy Shift Mode. Modifies enginemaps for greater fuel economy.
Reverse Shift Inhibitor. Protects theengine from abrupt directional changesby slowing down the engine beforeshifting the transmission into reverse.
Cat Messenger. Critical data from theengine and transmission, includingtransmission shifting, engine speedand fuel consumption, provides servicetechnicians with enhanced diagnosticcapability, through Cat Messenger, toreduce downtime and operating costs.
Traction Control System (TCS)(optional). TCS electronically monitorsand controls rear wheel slippage forgreater traction and enhanced truckperformance in poor underfoot conditions.
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Integrated Braking System. The Catoil-cooled braking system deliversreliable performance and control inthe most extreme haul-road conditions.The integrated system combines theservice, secondary, parking brake andretarding functions in the same systemfor optimum braking efficiency.
Oil-Cooled Multiple Disc Brakes.Cat dry front and rear oil-cooled,multiple disc brakes are nowhydraulically controlled, reducingmaintenance costs.
The 773F brakes provide exceptional,fade-resistant braking and retarding formaximum performance and productivityin all haul-road conditions.
Extended Life Multiple Disc Brakes(optional). Extended life friction materialhas double the wear life of standardbrakes and is twice as resistant toglazing for more consistent brakingpower with less noise.
Brake Design. Cat rear oil-cooled discbrakes are designed with large discsand plates for reliable, adjustment-freeoperation and performance. Rear brakesare completely enclosed and sealed toprevent contamination and reducemaintenance.
Long Life. An oil film prevents directcontact between the discs. This designabsorbs the braking forces by shearingthe oil molecules and carrying heataway to extend brake life.
Pistons. The Caterpillar two-piece pistondesign combines the service, secondary,parking brake and retarding functionsin the same system. The primary pistonhydraulically actuates both serviceand retarding functions. The secondarypiston is spring-applied and held inthe disengaged position by hydraulicpressure. If hydraulic system pressuredrops below a specified level, thespring-applied secondary pistonautomatically applies the brakes.
Parking Brake. Oil-cooled, spring-applied, hydraulically released parkingbrake is applied to the rear wheels forsuperior parking capability on all gradesup to 15 percent.
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Reliable braking with superior control gives the operator the confidence to focuson productivity.
Brake System
Automatic Retarder Control (ARC).Standard ARC electronically controlsbraking on grade to maintain engine atapproximately 1,900 rpm (adjustablefrom 1,850-1,950 rpm in incrementsof 10). ARC is deactivated when theoperator applies the brakes or throttle.
• Faster Speeds. ARC allows theoperator to maintain optimum enginespeeds for up to 15 percent fasterdownhill hauls and greater productivity.
• Superior Control. Automatic brakemodulation offers a smoother ride andbetter control in slippery conditions,allowing the operator to concentrateon driving.
• Ease of Operation. ARC increasesoperating ease, resulting in greateroperator confidence with less fatigue.
Traction Control System (TCS)(optional). Electronically monitors andcontrols rear wheel slippage for greatertraction and enhanced truck performancein poor underfoot conditions. If slippageexceeds a set limit, the oil-cooled discbrakes engage to slow the spinning wheel.Torque is then automatically transferredto the wheel with better traction.
Differential Action. Normal differentialaction provides superior maneuveringand control in slippery conditions.
Compression Brake (optional). OptionalCompression Brake is integrated withAutomatic Retarder Control (ARC)to provide up to 35 percent higherdownhill travel speed and reduce wearon brake components.
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With Automatic Retarder Control(average speed, 1950 rpm)
With Manual Retarder Control(average speed, 1730 rpm)
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TCSARC 1 Service Brake Sensor2 Engine Sensor3 ARC4 ARC Switch5 Brakes6 Service Brakes7 Axle Speed Sensor8 TCS
Servicing Ease. Easy access to dailyservice points simplifies servicing andreduces time spent on regular maintenanceprocedures. Enhanced serviceability andextended 500-hour service intervals aredesigned to increase machineavailability and productivity.
Maintenance Platform. Easy stairwayaccess to engine, air filters, steeringhydraulic tank and radiator.
Ground-Level Access. Allows convenientservicing to tanks, filters, drains, batterydisconnect and engine shutdown.
Engine Prelube. Engine prelubricationprovides engine oil pressure prior toengine cranking. This reduces enginedry and cold start wear, and reducesengine component wear. This systemautomatically fills engine oil filters andgalleries, and ensures components arelubed prior to starting the engine.
Pressure Test Points. Disconnect valvesare conveniently located throughout thehydraulic systems for easy pressuretesting. New ECPC transmissionprovides multiple pressure taps outsidethe transmission.
Air Filters. Radial seal air filters areeasy to change, reducing time requiredfor air filter maintenance.
Sealed Electrical Connectors. Electricalconnectors are sealed to lock out dustand moisture. Harnesses are braided forprotection. Wires are color-coded foreasy diagnosis and repair.
Spin-on Filters. Spin-on filters for fueland oil systems reduce changing timeand help ensure clean, tight seals.
On-Board Diagnostic Systems.Messenger continuously checks all criticalmachine functions and components, andhelps locate faults quickly for fasterrepair. Electronic control system enablesquick diagnosis of engine conditions andeffective maintenance and repairs usingthe Electronic Technician (Cat ET)service tool.
Lincoln’s Quick Lube AutomaticLubrication (optional). This advancedlubrication system is available as afactory installed option on the 773F.
Clustered Grease Fittings (optional).Clustered grease fittings save time asall lubrication points are mounted inthree main locations.
Next Generation Modular Radiator(NGMR). This cooling system’s newmodular design permits removal ofa single core without removing theentire radiator, reducing downtime andrepair costs. The less complex designoffers improved reliability and higherefficiency over the two-pass flow core.NGMR also offers wider fin spacing forgreater resistance to plugging and moreconvenient cleaning.
QuickEvac™ System. Oil change labortime is reduced by as much as 50 percentwith this standard on-board engine oilevacuation and pre-lube system. It speedsthe process of evacuating the enginesump and allows for the purging of oilfilters prior to removal, minimizing oilspills. QuickEvac system also enhancescontamination control by ensuringcomplete filtration of new oil onengine refill.
Reduced Maintenance Costs/HigherMachine Availability. The C27 enginewith ACERT Technology offers500-hour service intervals under normalconditions. For the 773F, commonlyused engine service points have beenplaced on the right side of the engine.Feedback from engine sensors providesdata to the electronic controller.When engine data is out of spec,a warning is sent to the operator.
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Less time spent on maintenance means more time on the haul roads.
Serviceability
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Instrument Cluster. Critical operatinginformation on the 773F is relayedvia the Cat Data Link to five gauges,18 LED indicator lights, and an LCDdigital display.
Cat Messenger. Standard on the 773F,Cat Messenger provides real-timemachine performance and operatingdata, and basic trip, maintenance, anddiagnostic data using an LCD display.The viewable LCD screen area of theMessenger display is 22.5 mm �84.6 mm (0.89 in � 3.33 in).
Truck Production Management System(TPMS) (optional). TPMS providesvaluable payload and cycle time datato improve productivity.
• Uses strut pressure sensors and on-board microprocessor to determinepayload weight.
• Delivers consistent, accuratepayloads and improves efficiencyby minimizing overloading andunderloading.
• External lights signal loading tooloperator when payload is reached.
• On-board computer stores up to2,400 cycles for analysis of payloadweight, cycle times, distances, andactual cycle dates and times.
• A second gear reweigh takes anadditional measurement once thetruck has reached second gear forimproved accuracy.
• System is accurate within± 5 percent under normal loadingconditions over a normal shift.
• Standard LED lamps replaceincandescent lamps on the TPMS,extending lamp life by 25 times.
VIMS™ Monitoring System (optional).Caterpillar designed machine monitoringsystem provides more than 250 machineparameters, critical machine health andpayload data in real-time to keep the773F performing at top production levels.
Product Link (optional). Now availableout of the factory, this system streamlinesdiagnostic efforts, downtime, andmaintenance scheduling and costs byproviding a two-way communicationflow of vital machine data and locationinformation between the dealer andthe customer. Product Link providesupdates on service meter hours, machinecondition, machine location as well asintegrated mapping/route planning.
MineStar™ Ready. MineStar informationmanagement system helps meet thechallenges of the mining industry bylinking the machines in the field withbusiness and operating systems toensure peak performance of miningassets at the lowest possible cost.These products deliver customerseverything from real-time machinehealth information to GPS-guidedproduction aids. The 773F is equippedfor quick and easy installation ofMineStar™ information managementsystem products.
Information & Monitoring SystemsVital machine health and payload data keeps the 773F performing at peak production levels.
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1 Gauge Cluster 2 Advisor Display 3 Action Alarm 4 ADEM A4 Engine Control Module 5 CAT Data Link 6 Payload Lamps 7 Data Port (VIMS-PC) 8 Diagnostic Connector (ET) 9 Automatic Retarder Control (ARC) and Traction Control System (TCS) 10 Transmission/Chassis Control (TCC) Module 11 Telemetry Port
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Body Selection. Selection of the rightbody system depends on material, haulroad and loading conditions. The betterthe match of body to application, thegreater the efficiency. Cat dealers canhelp select the right body system forsite-specific applications.
Body/Chassis Integration. Caterpillartruck body systems are designed andmatched with the integrated chassissystem for optimum structural reliability,durability and long life.
Electronic Hoist Control. Provides theoperator with better control of the loadwhen dumping, including over-centerload control and modulated controlthroughout the operating range.The automatic body snubbing featurereduces impact on the frame, hoistcylinders and operator.
Fast Hoist Cycle Times. Two-stage hoistcylinders provide fast dump cycle timesof 9.5 seconds for raise and 12.5 secondsfor lower.
Body Liners. Two liner materials, steeland rubber, are available to help extendbody system life. All steel liner wearsurfaces are equipped with 400 BHNsteel to handle tough impact loads whileresisting abrasion. Optional rubber linersdeliver long life in high-wear andhigh-impact areas as well as increasesoperator comfort during loading.
Body Design. With the introduction of the773F, Caterpillar offers five application-specific body systems. Dual slope andflat floor body offerings are available inthree steel configurations and two rubberconfigurations.
The new dual slope and flat floor bodysystems will continue to use fullyfabricated, mild steel structures, offeringa strong, yet weldable underbodystructure. All interior, steel body surfacesthat come in contact with material arefabricated from 400 BHN steel to providesuperior wear characteristics andresistance to impact. Wide box-sectionribs provide excellent durability andimpact support in the floor, front-wall,sidewall, and top rail areas. Full-lengthstringer rails enhance strength andrigidity throughout the body. Other newfeatures that further enhance durabilityof the understructure include:
• The body sidewall ties directly inwith the floor, providing increasedstrength in the sidewalls.
• Thickness of ribs increased to10 mm and the number of floor ribshave been increased from 7 to a totalof 9 ribs.
• Front wall body rest supportsare integrated into the front wallstructure for enhanced durability.
• Front wall is 400 BHN and thethickness is increased from 10.2 mm(0.4 in) to 16.0 mm (0.63 in),eliminating the need for additionalliners for impact resistance in mostapplications.
Cat designed and built for rugged performance and reliability in the toughesthauling applications.
Truck Body Systems
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1) Dual Slope Body 2) Flat Floor Body
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Target Payload Strategy. Your Cat dealercan help you manage to target payloadto maximize equipment use, ensure safeoperation, increase productivity andlower cost-per-ton.
• Underloading increases costs dueto lost payloads, underutilizesequipment, and increases cost-per-ton.
• Overloading causes excessive wearon vehicle components, such asbrakes, tires and drive train, reducingcomponent life and increasingmaintenance costs and repairs.
Matched Systems. Designed to work asan optimum pass/match system, the 773Fis best sized to match the 988H WheelLoader, with a 4 pass/match, the 990HWheel Loader, with 3 pass/match, andthe 385C Hydraulic Excavator with a6 pass match.
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Commitment Makes the Difference.Cat® dealers offer a wide range ofsolutions, services and products that helpyou lower costs, enhance productivityand manage your operation moreefficiently. Support goes far beyondparts and service. From the time youselect a piece of Cat equipment until theday you rebuild, trade or sell it, thesupport you get from your Cat dealermakes the difference that counts.
Dealer Capability. Cat dealers providethe level of support you need, on aglobal scale. Dealer expert technicianshave the knowledge, experience,training and tooling necessary to handleyour repair and maintenance needs,when and where you need them.
Product Support. Cat dealers believesuperior products deserve superiorsupport. When Cat products reach thefield, they are supported by a worldwidenetwork of parts distribution facilities,dealer service centers, and technicaltraining facilities to keep your equipmentup and running. Cat customers rely onprompt, dependable parts availabilityand expertise through our global dealernetwork, ready to meet your needs 24/7.
Service Support. Every piece of Catequipment is designed and built toprovide maximum productivity andoperating economy throughout itsworking life. Cat dealers offer awide range of service plans that willmaximize uptime and return on yourinvestment, including:
• Preventive Maintenance Programs
• Diagnostic Programs, such asScheduled Oil Sampling andTechnical Analysis
• Rebuild and Reman Options
• Customer Support Agreements
Application Awareness. Operating andmaintenance costs are influenced bymany application and site-specific factors,such as material density, loading position,payload, grades, speeds, haul road designand maintenance. To optimize total costof ownership and productivity, yourCat dealer can provide you with afundamental understanding of the effectsapplication characteristics and operatingtechniques have on maintenance andoperating costs.
Operation. With today’s complexproducts, equipment operators musthave a thorough understanding ofmachine systems and operatingtechniques to maximize efficiencyand profitability. Your Cat dealer canarrange training programs to helpoperator’s improve productivity, decreasedowntime, reduce operating costs,enhance safety, and improve return onthe investment you make in Cat products.
Technology Products. Cat dealers offera range of advanced technology products,such as VIMS™ monitoring system andMineStar™ information managementsystem. These products include radiodata communications, machinemonitoring and diagnostics, fleetmanagement, and haul road maintenancesoftware – all designed to improve fleetefficiency, increase productivity, andlower costs.
www.cat.com. For more completeinformation on Cat products, dealerservices, and industry solutions,visit us on the web at www.cat.com.
Customer SupportCat dealers have what it takes to keep trucks productive.
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Product Safety. Caterpillar has been andcontinues to be proactive in developingmachines that meet or exceed safetystandards. Safety is an integral partof all machine and systems designs.
Integral ROPS Cab. Resiliently mountedto the frame to reduce vibration andsound, the integral ROPS structure,which provides “five-sided protection”for the operator, is designed as anextension of the truck frame.
Payload Guidelines. Safety is integralto maintaining the highest productivityin mining machine operation.The Caterpillar 10/10/20 PayloadGuidelines ensures that steeringand braking systems have sufficientcapacity to perform.
WAVS Camera (optional). An optionalrear vision camera system providesvisibility to the rear of the machinethrough an LCD monitor in the cab.The monitor can be set to activate onlywhen the truck is in reverse, and thedisplay is equipped with a sensor todetect ambient light, which automaticallybrightens or dims the display.
High Intensity Discharge (HID) Lights(optional). Thirty-five Watt HID lightscan replace the standard high beam65 Watt Halogen lights. The powerfulHID lights are almost two timesbrighter and 50 percent more efficient,improving night time visibility.
Brake Systems. Cat hydraulicallycontrolled dry front and rear oil-cooledmultiple disc brakes provide exceptional,fade-resistant braking and retarding formaximum performance and productivityin all haul-road conditions. The servicebrakes and retarding system are actuatedby modulated hydraulic pressure, whilesecondary and parking brake functionsare spring applied and hydraulic released.This reliable and durable system ensuresbraking in the event of completehydraulic failure.
Steering System. A twin, double-actingcylinder steering system is designed todeliver precise control under all loadingand underfoot conditions. The steeringhydraulic system is separate from themain hydraulic system to prevent cross-contamination and overheating.
Engine Shutoff Switch. A secondaryengine shutoff switch is located atground level.
Electrical System Disconnect. A batterydisconnect switch, located directly abovethe front bumper, provides ground-levellockout of the electrical system.
Ladder/Secondary Egress. A wide,stationary stairway allows easy accessto and from the machine. The ladderon the left side of the machine permitssecondary egress.
A stairway lamp illuminates the cabaccess stairs and can be activated atground level during entry and shut offwith a switch in the cab.
Standard Safety Features.
• Slip resistant surfaces
• 75 mm (3 in) wide orangethree-point operator restraint
• Heated, wide-angle mirrors
• Body raised indicator
• Guard rails
• Reverse neutralizer when dumping
• Low interior sound level
• Service platform level transmission,hoist and steering disable switch
• Service platform level starterdisable switch
SafetyCaterpillar machines and systems are designed with safety as the first priority.
18 773F Off-Highway Truck specifications
Transmission
Forward 1 10.8 km/h 6.7 mphForward 2 15 km/h 9.3 mphForward 3 20.3 km/h 12.6 mphForward 4 27.3 km/h 17 mphForward 5 37 km/h 23 mphForward 6 49.9 km/h 31 mphForward 7 67.5 km/h 41.9 mphReverse 14.2 km/h 8.8 mph
• Maximum travel speeds with standard 24.00R35 (E4) tires.
Final Drives
Differential Ratio 3.64:1Planetary Ratio 4.80:1Total Reduction Ratio 17.49:1
Pump Flow – High Idle 560 L/min 148 gal/minRelief Valve Setting – Raise 17 225 kPa 2,500 psiRelief Valve Setting – Lower 3450 kPa 500 psiBody Raise Time – High Idle 9.5 SecondsBody Lower Time – Float 12.5 SecondsBody Power Down – High Idle 12.5 Seconds
Capacity – Dual Slope – 100% fill factor
Struck 26.8 m3 35 yd3
Heaped 2:1 (SAE) 35.6 m3 46.5 yd3
Capacity – Flat Floor – 100% fill factor
Struck 25.9 m3 33.8 yd3
Heaped 2:1 (SAE) 35.1 m3 45.9 yd3
Engine
Engine Model Cat® C27 ACERT®
Rated Engine Speed 1,800 rpmGross Power – SAE J1995 552 kW 740 hpNet Power – SAE J1349 524 kW 703 hpNet Power – ISO 9249 524 kW 703 hpNet Power – 80/1269/EEC 524 kW 703 hpNumber of Cylinders 12Peak Torque 3399 N·m 2,507 lb ftBore 137 mm 5.4 inStroke 152 mm 6 inDisplacement 27 L 1,649 in3
• Power ratings apply at 1,800 rpm when tested under thespecified condition for the specified standard.
• Ratings based on SAE J1995 standard air conditions of 25° C(77° F) and 100 kPa (29.61 Hg) barometer. Power based onfuel having API gravity of 35 at 16° C (60° F) and an LHV of42 780 kJ/kg (18,390 BTU/lb) when engine is used at 30° C(86° F).
• Compliant with U.S. Environmental Protection Agency Tier 3and European Union Stage IIIa emissions standards.
Weights – Approximate
Target Gross Machine 100 698 kg 222,000 lbOperating WeightChassis Weight 31 633 kg 69,738 lbBody Weight 12 961 kg 28,574 lb
• Chassis weight with 100% fuel, hoist, body mounting group,rims and tires.
• Body weight varies depending on how body is equipped.
• Nominal payload and capacity based on High Impact SteelBody with 20 mm (0.787 in) steel floor. Liner and attachmentselection will affect payload and maximum gross machineoperating weight.
* Refer to Caterpillar 10/10/20 policy for maximum grossmachine weight limitations.
19773F Off-Highway Truck specifications
ROPS
ROPS/FOPS Standards
• ROPS (Rollover Protective Structure) for cab offeredby Caterpillar meets ISO 3471:1994 ROPS criteria.
• The operator sound pressure level measured according towork cycle procedures specified in ANSI/SAE J1166 MAY90is 78 dB(A) for cab offered by Caterpillar, when properlyinstalled and maintained and tested with doors andwindows closed.
• Hearing protection may be needed when operating withan open operator station and cab (when not properlymaintained or doors/windows open) for extended periodsor in a noisy environment.
Steering
Steering Standards SAE J1511 FEB94ISO 5010:1992
Steer Angle 31ºTurning Diameter – Front 23.5 m 77 ft 1 inTurning Circle Clearance 26.1 m 85 ft 8 inDiameter
Effective Cylinder Stroke – Front 235 mm 9.25 inEffective Cylinder Stroke – Rear 149 mm 5.9 inRear Axle Oscillation 8º
Service Refill Capacities
Fuel Tank 700 L 185 galCooling System 175 L 46 galCrankcase 95 L 25 galDifferentials and Final Drives 155 L 41 galSteering Tank 34 L 9 galSteering System (Includes Tank) 60 L 16 galBrake/Hoist System 307 L 81 gal(Includes Tank)Torque Converter/ 53 L 14 galTransmission SystemTorque Converter/Transmission 72 L 19 galSystem (Includes Sump)Brake/Hoist Hydraulic System 133 L 35 gal
Tires
Standard Tire 24.00R35 (E4)
• Productive capabilities of the 773F truck are such that,under certain job conditions, TKPH (TMPH) capabilities ofstandard or optional tires could be exceeded and, therefore,limit production.
• Caterpillar recommends the customer evaluate all jobconditions and consult the tire manufacturer for propertire selection.
20 773F Off-Highway Truck specifications
DimensionsAll dimensions are approximate. Shown with Dual Slope Body.
Dual Slope Flat Floor1 Height to Top of ROPS 4116 mm 13 ft 6 in 4108 mm 13 ft 6 in2 Overall Body Length 9211 mm 30 ft 3 in 9293 mm 30 ft 6 in3 Inside Body Length 6254 mm 20 ft 6 in 6336 mm 20 ft 9 in4 Overall Length 10 249 mm 33 ft 7 in 10 334 mm 33 ft 11 in5 Wheelbase 4215 mm 13 ft 10 in 4215 mm 13 ft 10 in6 Rear Axle to Trail 2749 mm 9 ft 2837 mm 9 ft 4 in7 Ground Clearance 777 mm 2 ft 6 in 777 mm 2 ft 6 in8 Dump Clearance 616 mm 2 ft 626 mm 2 ft 1 in9 Loading Height – Empty 3818 mm 12 ft 6 in 3773 mm 12 ft 5 in10 Inside Body Depth – 1806 mm 5 ft 11 in 1806 mm 5 ft 11 in
Max11 Overall Height – 9261 mm 30 ft 5 in 9261 mm 30 ft 5 in
Body Raised
Dual Slope Flat Floor12 Operating Width 5425 mm 17 ft 10 in 5425 mm 17 ft 10 in13 Centerline Front 3205 mm 10 ft 6 in 3205 mm 10 ft 6 in
Tire Width14 Engine Guard 700 mm 2 ft 4 in 698 mm 2 ft 4 in
Clearance15 Overall Canopy Width 4735 mm 15 ft 6 in 4996 mm 16 ft 5 in16 Outside Body Width 3919 mm 12 ft 11 in 3917 mm 12 ft 11 in17 Inside Body Width 3658 mm 12 ft 3657 mm 12 ft18 Front Canopy Height 4460 mm 14 ft 7 in 4435 mm 14 ft 7 in19 Rear Axle Clearance 675 mm 2 ft 2 in 675 mm 2 ft 2 in20 Centerline Rear Dual 2929 mm 9 ft 7 in 2928 mm 9 ft 7 in
Tire Width21 Overall Tire Width 4406 mm 14 ft 6 in 4411 mm 14 ft 6 in
10
18
13
14
21
20
19
12
17
16
15
2
3
1
4
5 6
7 8
9
11
21773F Off-Highway Truck specifications
Flat FloorHeavy Duty Heavy Duty
Medium Impact High Impact High Impact High Impact High ImpactSteel Body Steel Body Steel Body Rubber Body Rubber Body
System System System System System(16 mm) (20 mm) (25 mm) (102 mm) Rubber Liner
* Refer to Caterpillar 10/10/20 overload policy.** Includes weight of all attachments.
Weight/Payload Calculation(Example)
22 773F Off-Highway Truck specifications
0 10 20 30 40 50 60 70 80
0 5 10 15 20 25 30 35 40 45 50
0 25 lb x 1000
mph
km/h
15%
SpeedContinuous Grade Length
Effe
ctiv
e G
rade
(Gra
de M
inus
Rol
ling
Resi
stan
ce)
0 15 30 45 60 75 90 105 120 kg x 1000
Gross Weight
1st Gear
5%
10%
50 75 100 125 150 175 200 225 250
4th Gear
5th Gear
6th Gear
30%
2nd Gear
3rd Gear
25%
20%
E L
7th Gear
To determine retarding performance: Add lengths of alldownhill segments and, using this total, refer to properretarding chart. Read from gross weight down to the percenteffective grade. Effective grade equals actual % grade minus1% for each 10 kg/t (20 lb/ton) of rolling resistance. From thisweight-effective grade point, read horizontally to the curvewith the highest obtainable gear, then down to maximumdescent speed brakes can properly handle without exceeding
With ARC Only
ARC and Engine Brake
E – Typical Field Empty Weight
L – Target Gross Machine Operating Weight 100 698 kg (222,000 lb)
cooling capacity. The following charts are based on theseconditions: 32° C (90° F) ambient temperature, at sea level,with 24.00 R35 tires.
NOTE: Select the proper gear to maintain engine rpm at the highestpossible level, without overspeeding the engine. If cooling oiloverheats, reduce ground speed to allow transmission to shift tothe next lower speed range.
Retarding Performance
23773F Off-Highway Truck specifications
Retarding Performance
0 10 20 30 40 50 60 70 80
0 5 10 15 20 25 30 35 40 45 50
0 25 50 75 100 125 150 175 200 225 250 lb x 1000
mph
km/h
SpeedGrade Distance — 450 m (1,500 ft.)
Effe
ctiv
e G
rade
(Gra
de M
inus
Rol
ling
Resi
stan
ce)
0 15 30 45 60 75 90 105 120 kg x 1000
Gross Weight
1st Gear
2nd Gear
3rd Gear
4th Gear
5th Gear
6th Gear7th Gear
30%
5%
10%
15%
25%
20%E L
0 10 20 30 40 50 60 70 80
0 5 10 15 20 25 30 35 40 45 50
0 25 50 75 100 125 150 175 200 225 250 lb x 1000
mph
km/h
SpeedGrade Distance — 600 m (2,000 ft.)
Effe
ctiv
e G
rade
(Gra
de M
inus
Rol
ling
Resi
stan
ce)
0 15 30 45 60 75 90 105 120 kg x 1000
Gross Weight
1st Gear
2nd Gear
3rd Gear 4th Gear
5th Gear
6th Gear
30%
5%
10%
15%
25%
20%E L
7th Gear
With ARC Only
ARC and Engine Brake
E – Typical Field Empty Weight
L – Target Gross Machine Operating
Weight 100 698 kg (222,000 lb)
With ARC Only
ARC and Engine Brake
E – Typical Field Empty Weight
L – Target Gross Machine Operating
Weight 100 698 kg (222,000 lb)
24 773F Off-Highway Truck specifications
Retarding Performance
0 10 20 30 40 50 60 70 80
0 5 10 15 20 25 30 35 40 45 50
0 25 50 75 100 125 150 175 200 225 250 lb x 1000
mph
km/h
SpeedGrade Distance — 900 m (3,000 ft.)
Effe
ctiv
e G
rade
(Gra
de M
inus
Rol
ling
Resi
stan
ce)
0 15 30 45 60 75 90 105 120 kg x 1000
Gross Weight
1st Gear
2nd Gear
3rd Gear 4th Gear
5th Gear
6th Gear
30%
5%
10%
15%
25%
20%
E L
7th Gear
0 10 20 30 40 50 60 70 80
0 5 10 15 20 25 30 35 40 45 50
0 25 50 75 100 125 150 175 200 225 250 lb x 1000
mph
km/h
SpeedGrade Distance — 1500 m (5,000 ft.)
Effe
ctiv
e G
rade
(Gra
de M
inus
Rol
ling
Resi
stan
ce)
0 15 30 45 60 75 90 105 120 kg x 1000
Gross Weight
1st Gear
2nd Gear
3rd Gear 4th Gear
5th Gear
6th Gear
30%
5%
10%
15%
25%
20%
7th Gear
E L
With ARC Only
ARC and Engine Brake
E – Typical Field Empty Weight
L – Target Gross Machine Operating
Weight 100 698 kg (222,000 lb)
With ARC Only
ARC and Engine Brake
E – Typical Field Empty Weight
L – Target Gross Machine Operating
Weight 100 698 kg (222,000 lb)
25773F Off-Highway Truck specifications
To determine gradeability performance: Read from grossweight down to the percent of total resistance. Total resistanceequals actual percent grade plus 1% for each 10 kg/t (20 lb/ton)of rolling resistance. From this weight-resistance point, read
horizontally to the curve with the highest obtainable gear, thendown to maximum speed. Usable rimpull will depend upontraction available and weight on drive wheels.
Gradeability/Speed/Rimpull
Gross Weight
5%
10%
15%
20%
25%
30%
100
110
90
80
70
60
50
40
30
20
10
0
50
45
40
35
30
25
20
15
10
5
0
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
0 5 10 15 20 25 30 35 40 45
Speed
Rim
pull
Tota
l Res
ista
nce
(Gra
de p
lus
Rolli
ng)
500 100 150 200 250
1st Gear
1st Gear
Torque Converter Drive
Direct Drive
2nd Gear
3rd Gear
LE
150 30 45 60 75 90 105 120
4th Gear5th Gear
6th Gear
km/h
mph
kg x 1000
lb x 1000
lb x1000
kg x1000
7th Gear
With ARC Only
ARC and Engine Brake
E – Typical Field Empty Weight
L – Target Gross Machine Operating Weight 100 698 kg (222,000 lb)
26 773F Off-Highway Truck specifications
Standard EquipmentStandard equipment may vary. Consult your Cat dealer for details.
POWER TRAINCat® C27 Engine with ACERT® Technology
12–cylinder dieselAir-to-Air Aftercooler (ATAAC)Air cleaner with precleaner (2)Automatic cold mode idle controlElectric priming pumpEther starting aidExhaust, body heatFuel filter/water separatorQuickEvac™ System with engine prelubeTurbocharger (2)
Braking system:Automatic Retarder Control (ARC) (utilizes rear
Backup light (halogen)Directional signals/hazard warning, (front/rear LED)Headlights, halogen with dimmerOperator access courtesy lightsSide profile lightsStop/tail lights LED
MineStar™ ReadyProduct Link Ready (Level 1)
OPERATOR ENVIRONMENTAir conditioningAshtray and cigarette lighterCoat hookCup holders (4)Diagnostic connection port, 24VEntertainment Radio Ready
5 amp converterSpeakersAntennaWiring harness
Gauges/indicators:Air cleaner service indicatorBrake oil temperature gaugeCoolant temperature gaugeEngine overspeed indicatorFuel levelHour meterSpeedometer/odometerTachometerTransmission gear indicator
Full air suspensionRetractable, 3-point seat belt with shoulder harness
Seat, training with lap beltSteering wheel, padded, tilt and telescopicStorage compartmentSun visor, tinted glassThrottle lockWindshield wiper (intermittent) and washer
27773F Off-Highway Truck specifications
Standard EquipmentStandard equipment may vary. Consult your Cat dealer for details.
OTHER STANDARD EQUIPMENTBody mounting groupBody safety pin (secures body in up position)Body down indicatorCD-ROM parts bookCenter mounted rimsDirect drive fanFuel tank, 700 L (185 gal)Ground level battery disconnectGround level engine shutdownGround level grease fittingsRimsRock ejectorsService platform level engine start/disable switchService platform level transmission, hoist and
GUARDSEngine crankcaseDrivelineFan and Air Conditioning
SUSPENSION SYSTEMSuspension, rear (European Union compliant)
Optional EquipmentOptional equipment may vary. Consult your Cat dealer for details.
Muffler Exhaust BodyProduct Link (Level 3)Rockford FanSpare Rim, 17 inTraction Control System (TCS)Truck Production Management System (TPMS)VIMS™ Monitoring SystemWork Area Vision System (WAVS) Rear Vision CameraWheel ChocksWiggins High Speed Oil Change Wiggins Service Center
Optional Body Systems:Body Liner, Dual Slope/Flat Floor, Steel, 16 mm, 20 mmor 25 mmBody Liner, Dual Slope/Flat Floor, Rubber, High Impactor Heavy Duty
Materials and specifications are subject to change without notice.Featured machines in photos may include additional equipment.
See your Cat dealer for available options.
CAT, CATERPILLAR, SAFETY.CAT.COM, their respective logos, “Caterpillar Yellow”and the “Power Edge” trade dress, as well as corporate and product identity used
herein, are trademarks of Caterpillar and may not be used without permission.
