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system, cab and tractor control provides their convenient maintenance when checking and refueling. There is a possibility of dismantling and mounting separate modules of transmission units with their further repair in specially equipped rooms performing their tests prior to mounting on the machine.
DOZER EQUIPMENT
Dozer and ripper machines are used are used in manufacturing, oil and gas, hydro technical construction and mining industries to perform hard earth-moving operations including excavating frozen and rocky grounds. A modular design of any unit, industrial tractor systems, i.e. transmission, undercarriage, working equipment, cooling
CAB
Materials and specifications are subject to change without prior notice
One-seat cab with double panes provides excellent equipment and working areas visibility irrespective of ambient air temperature. The cab is equipped with ventilation system and dependent and independent heaters and with a vibroprotective seat and sound-proofing lining. The controls meet ergonomic requirements and offer ease of operation and access.
Engine control is performed by the pedal to be fixed at chosen engine speed rotation. Gear and directional changes are performed by one multifunctional electrical control lever (joystick). Friction clutches and brakes are controlled by two levers. Emergency stop is achieved by pressing the brake penal. Blade and ripper control is performed by separate hydraulic joysticks. All controls are performed from the operator's seat providing fatigue-free operation throughout the working shift.
STANDARD EQUIPMENT
Instrument Panel:
Alarm Indicators:Soft-suspended adjustable operator's seat Air cleaner
Cab heating system fan Decelerator
Horn Front tow hook
Engine protection Hydraulic unit for track tension mechanism
Lighting system Multilayer heat shield
Muffler Stopping brake
Power train unit protection Replaceable gear ring segments
R0PS/F0PS protection construction Safety belts
External power supply and starting socket 12 V electric socket for audio
24 V electric socket75 A alternator
12 V, 190 Ah batteries (2) (24 V tractor mains)
Cigarette lighter Starter
Electric hour meter
tachometer coolant temperature indicator engine oil pressure indicator engine oil temperature indicator voltmeter fuel level indicator transmission oil temperature indicator
alarm engine oil pressure engine coolant overheating battery discharge water in fuel tank air filter clogging filter clogging in hydraulic tank oil overheating in hydraulic tank transmission filter clogging minimum oil temperature in transmission transmission oil overheating engine oil filter clogging alarm transmission oil pressure
ph./fax +7 (8352) 63-36-30, 63-35-08
www.chetra.rue-mail: [email protected]
101, pt. Tractorostroiteley, Cheboksary, Russia, 428028
Engine power165/165 h.p. at 1 900 RPMOperating weight – 16 800 kgShoe wight – 560 mm
–
DOZER
QSB6,7-C165 six-cylinder in-line, four-stroke, turbocharged and air-to-air aftercooled, liquid-cooled diesel engine manufactured by Cummins company. • Cylinder bore and piston stroke - 102 mm ? 136.4 mm • Engine displacement - 6.7 L • Operating power – 109 kW (148 h.p.) at 1 900 rpm • Max. torque – not lower than 800 Nm at 1 500 rpmEngine with "Quantum" system, comprising electronic fuel injection, diagnostic, engine protection and engine control systems.
YaMZ-236NB– 2, V6, 4-stroke, liquid-cooled, turbocharged and air-to-air aftercooled diesel engine manufactured by Yaroslavl Motor Plant. • Cylinder bore and piston stroke - 130 mm х 140 mm • Engine displacement – 11.15 L • Operating power – 114 kW (155 h.p.) at 1 800 rpm Liquid-oil heat exchanger for engine oil cooling. Charge air and engine coolant are cooled by radiators installed in the radiators block.
ENGINE
Final drive is of two-stages, the 1-st one having external gearing pinions and the second one of planetary “ k+1” type (with the stopped crown gear). The sprocket has a 5-segment design, with the segments being bolt-on for easy replacement in field conditions.
FINAL DRIVE
Suspension: A three-point semi-rigid suspension with displaced oscil-lating axle of bogies provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages. Number of track rollers (each side) – 6 Number of support rollers (each side) – 2 Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. The track chain tension can be easily adjusted with a grease gun. Link pitch – 190.5 mm Number of shoes (each side) – 39 Grouser height - 55 mm. Shoe width – 560 mm. Base – 2,470 mm
2Ground contact area – 2.766 m 2Ground pressure – 0.607 kgf/cm
UNDERCARRIAGE
Depending on the ripper working conditions, one, two or three shanks may be mounted which will provide high productivity.
RIPPER EQUIPMENT
Number of
shanks
Lift above ground,
max., mm
Digging depth, max., mm
Breakout force, max., T
Penetration force, max., T
A planetary-type gerabox with oil operating, high capacity torque transmitting clutches 345 mm in diameter provides three forward gears and three reverse ones with gear shifting under load. Gear shifting is electrohydraulic. As per design the gearbox is connected with matching reducing gear and main drive forming a single power unit mounted on rear axle bore. Three-element one-stage torque converter with efficient diameter of 390 mm, maximum transformation ratio K=2.539 with pumps drive reduction gear is connected with the gearbox o
by spline coupling and mounted on the front wall of the rear axle. The torque converter is connected with the engine through drive line and engine mounted elastic clutch.
GEARBOX
The remote-cylinder hydraulic system is composed of: } NSh71 gear pump of 120 L/min capacity at 1,700 rpm engine speed} Four-section control valve consisting of one valve section and three spool sections
2} Maximum relief valve setting – 20 М Pa (200 kgf/cm) }Hydraulic tank capacity (welded tank suitable for mechanical treatment of inner surfaces) – 85 L
HYDRAULIC SYSTEM
Positions of control valve spools
Spool sections
Cylinder bore, mm
Number of cylinders
Blade lift
Blade tilt
Ripper lift
Raise, neutral (hold), lower, float
Raise, neutral, lower
Right, neutral, left
Large capacity of SU-blade provides increased productivity. The blade design ensures its effective application both for soil transportation and when trenching, performing leveling operations and road laying.
DOZER EQUIPMENT
Tractor – 14,200 kg Total weight (standard equipment, full fuel tank, SU-blade, three-shank ripper, operator) – 16,800 kg
WEIGHT
9
Engine power h.p. at 2 000 RPMOperating weight – 28 500 kgShoe wight – 560 mm
– 248/250
DOZER
15TUV
QSC8.3-C245 six-cylinder in-line, four-stroke, turbocharged and air-to-air aftercooled, liquid-cooled diesel engine manufactured by Cummins company. • Cylinder bore and piston stroke - 114 mm х 135 mm • Engine displacement - 8.3 L • Operating power – 165 kW (225 h.p.) at 2 000 rpm • Max. torque – not lower than 1085 Nm at 1 300 ... 1 600 rpm
YaMZ-238ND4– 1, V8, 4-stroke, turbocharged diesel engine manufac-tured by Yaroslavl Motor Plant. • Cylinder bore and piston stroke - 130 mm х 140 mm • Engine displacement – 14.86 L • Operating power – 170 kW (232 h.p.) at 1 900 rpm• Max. torque – not lower than 1108 Nm at 1 150 ... 1 350 rpm
ENGINE
Final drive is of two-stages, the 1-st one having external gearing pinions and the second one of planetary “ k+1” type (with the stopped crown gear). The sprocket has a 5-segment design, with the segments being bolt-on for easy replacement in field conditions.
FINAL DRIVE
Suspension: A three-point semi-rigid suspension with displaced oscillating axle of bogies provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages. Number of track rollers (each side) – 7. Number of support rollers (each side) – 2. Idler – microcushioned Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. Track tension is easily adjusted with grease gun. Link pitch – 215.9 mmNumber of shoes (each side) – 40Grouser height – 70 mm. Shoe width – 560 mm
2Ground contact area – 3.26 m 2Ground pressure – 0.87 kgf/cm
UNDERCARRIAGE
Depending on the ripper working conditions, one, two or three shanks may be mounted which will provide high productivity.
RIPPER EQUIPMENT
Number of
shanks
Lift above ground,
max., mm
Digging depth, max., mm
Breakout force, max., T
Penetration force, max., T
A planetary-type gearbox with oil operating, high capacity torque transmitting clutches 415 mm in diameter provides three forward gears and three reverse ones with gear shifting under load. The modulating system allows changing gears smoothly under load. Gear and travel direction change is performed by one lever. As per design the gearbox is connected with matching reducing gear and main drive forming a single power unit mounted on rear axle bore. A three-element one-stage torque converter with efficient diameter of 410 mm, maximum transformation ratio Ko = 2.9 with pumps drive reduction gear is connected with the gearbox by means of spline coupling and mounted on the front wall of the rear axle. The torque converter is connected with the engine-mounted elastic clutch through drive line.
GEARBOX
Remote-cylinder hydraulic system: • Two-section NSh-100-50 gear pump of 235 L/min capacity at 1,750 rpm • Four-section control valve consisting of one valve section and three spool sections
2• Maximum relief valve setting – 20 М Pa (200 kgf/cm) • Hydraulic tank capacity (welded tank suitable for mechanical treatment of inner surfaces) – 130 L
HYDRAULIC SYSTEM
Positions of control valve spools
Spool sections
Cylinder bore, mm
Number of cylinders
Blade lift
Blade tilt
Ripper lift
Raise, neutral (hold), lower, float
Raise, neutral, lower
Right, neutral, left
Large capacity of U-blade provides increased productivity, application of diagonal tie-rod for transferring blade side forces to frame left side rail providing maximum blade approaching to the tractor front part and maximum force on blade knife
DOZER EQUIPMENT
Tractor – 23 000 kg. Total weight (standard equipment, full fuel tank, SU-blade, three-shank ripper, operator) – 28 500 kg
WEIGHT
Ripper type
Weight, kg
Non-adjustable, multi-shank
Non-adjustable, multi-shank
* - with grouses deepened
Lift above ground,
mm
Blade digging depth, mm
Tilt adjustment,
max, degrees
11
QSB6.7-C197 four-stroke, turbocharged and air-to-air aftercooled, liquid-cooled diesel engine manufactured by Cummins company. • Cylinder bore and piston stroke - 1 mm х 136.4 mm • Engine displacement - 6.7 L • Operating power – 131 kW (178 h.p.) at 2 000 rpm • Max. torque – not lower than 938 Nm at 1 300 ... 1 500 rpmEngine with "Quantum" system, comprising electronic fuel injection, diagnostic, engine protection and engine control systems. Oil cleaning system with full-flow filter.
YaMZ-236DK– 7, V6, 4-stroke, turbocharged diesel engine manufactured by Yaroslavl Motor Plant. • Cylinder bore and piston stroke - 130 mm х 140 mm • Engine displacement – 11.15 L • Operating power – 127 kW (172 h.p.) at 2 000 rpm Liquid-oil heat exchanger for engine oil cooling. Charge air and engine coolant are cooled by radiators installed in the radiators block.
six-cylinder in-line,
02
ENGINE
Final drive is of two-stages, the 1-st one having external gearing pinions and the second one of planetary “ k+1” type (with the stopped crown gear). The sprocket has a 5-segment design, with the segments being bolt-on for easy replacement in field conditions.
FINAL DRIVE
Suspension: A three-point semi-rigid suspension with displaced oscillating axle of bogies provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages. Number of track rollers (each side) – 6. Number of support rollers (each side) – 2. Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. The track chain tension can be easily adjusted with a grease gun. Link pitch – 203 mm Number of shoes (each side) – 39Grouser height – 65 mm Shoe width – 510 mm. Base – 2,616 mm
2Ground contact area – 2,668 m 2Ground pressure – 0.75 kgf/cm
UNDERCARRIAGE
Depending on the ripper working conditions, one, two or three shanks may be mounted which will provide high productivity.
RIPPER EQUIPMENT
Number of
shanks
Lift above ground,
max., mm
Digging depth, max., mm
Breakout force, max., T
Penetration force, max., T
A planetary-type gearbox with oil operating, high capacity torque transmitting clutches 345 mm in diameter provides three forward gears and three reverse ones with gear shifting under load. Gear shifting is electrohydraulic. As per design the gearbox is connected with matching reducing gear and main drive forming a single power unit mounted on rear axle bore. A three-element one-stage torque converter with efficient diameter of 390 mm, maximum transformation ratio Ko = 2.539 with pumps drive reduction gear is connected with the gearbox by spline coupling and mounted on the front wall of the rear axle. Torque converter is connected with the engine through drive line and engine mounted elastic clutch mounted.
GEARBOX
Remote-cylinder hydraulic system: • Sh100 gear pump of 163 L/min capacity at 1,800 rpm engine speed• Four-section control valve made by Bosch Rexroth company consistin of one valve section and three spool sections
2• Maximum relief valve setting – 20 М Pa (200 kgf/cm) • Hydraulic tank capacity (welded tank suitable for mechanical treatment of inner surfaces) – 85 L
HYDRAULIC SYSTEM
Positions of control valve spools
Spool sections
Cylinder bore, mm
Number of cylinders
Blade lift
Blade tilt
Ripper lift
Raise, neutral (hold), lower, float
Raise, neutral, lower
Right, neutral, left
Large capacity of SU-blade provides increased productivity. The blade design ensures its effective application both for soil transportation and when trenching, performing leveling operations and road laying.
DOZER EQUIPMENT
Tractor – 16 405 kg. Total weight (standard equipment, full fuel tank, SU-blade, three-shank ripper, operator) – 20 000 kg
WEIGHT
Ripper type
Weight, kg
Non-adjustable, multi-shank
Non-adjustable, multi-shank
* - with grouses deepened
100
140
100
Tilt adjustment,
max, degrees
Engine power200/185 h.p. at 2 000 RPMOperating weight – 20 000 kgShoe wight – 510 mm
–
DOZER
TUV
Engine power h.p. at 1 800 RPMOperating weight – 46 200 kgShoe wight – 610 mm
– 446/440
DOZER
25TUV
QSX15-C440 four-stroke, turbocharged, air-to-air aftercooled diesel engine manufactured by Cummins company. • Cylinder bore and piston stroke - 136.9 mm х 170.2 mm • Engine displacement - 14.99 L • Operating power – 308 kW (419 h.p.) at 1 800 rpm • Max. torque – 2 248 Nm at 1,400 rpm Engine with "Quantum" system, comprising electronic fuel injection, diagnostic, engine protection and control systems. Oil cleaning system with full-flow filter with one replaceable filtering element. Fuel cleaning system has one replaceable filtering element and an engine-mounted water separator. Water gauge is in the fuel tank. The cooling system includes two radiators blocks, the block consisting of coolant radiator and built in its lower tank heat exchanger for transmission oil cooling with two oil cooling inserts and aluminum radiators block of charge air and fuel coolers.
YaMZ-8501.10, V12, 4-stroke, turbocharged diesel engine manufactured by Yaroslavl Motor Plant. • Cylinder bore and piston stroke - 140 mm х 140 mm • Engine displacement – 25.86 L • Operating power – 298 kW (405 h.p.) at 1 800 rpm• Max. torque – 2 230 Nm at 1 200 ... 1 400 rpm Liquid-oil heat exchanger for engine oil cooling. Charge air and engine coolant are cooled by radiators installed in the radiators block.
six-cylinder in-line,
ENGINE
Suspension: A three-point semi-rigid suspension with displaced oscillating axle of bogies provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages. Number of track rollers (each side) – 7. Number of support rollers (each side) – 2. Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. Track tension is easily adjusted with grease gun. Link pitch – 250.0 mm Number of shoes (each side) – 39 Grouser height - 80 mm Shoe width – 610 mm
2Ground contact area – 4.00 m 2Ground pressure – 1.15 kgf/cm
UNDERCARRIAGE
Depending on the ripper working conditions, one, two or three shanks may be mounted. Combined with hydraulically variable ripping angle it will provide high productivity.
RIPPER EQUIPMENT
A planetary-type gearbox with oil operating, high capacity torque transmitting clutches 455 mm in diameter provides three forward gears and three reverse ones with gear shifting under load. Gear and travel direction change is performed by one lever. The gearbox, matching reducing gear and main drive are united into one power unit mounted into the rear axle case. A three-element one-stage torque converter with efficient diameter of 480 mm, maximum transformation ratio Ko = 2.64 is fastened to the pump drive reduction gear and connected with engine-mounted elastic clutch by means of spline coupling. The torque converter is connected with the gearbox through drive line.
GEARBOX
Remote-cylinder hydraulic system includes: • Three gear pumps: NSh250, NSh50, NSh10 of 390 L/min total capacity at 1,775 rpm engine speed • Two spool control valves providing blade raise and tilt, ripper shank raise and digging angle change. Servocontrol hydraulic system remotely controls over spools (excluding blade raise) • Tank with filters, hydraulic cylinders
2• Maximum relief valve setting – 20 М Pa (200 kgf/cm)
HYDRAULIC SYSTEM
Large capacity of the blade provides increased productivity, application of diagonal tie-rod for transferring blade side forces to frame left side rail providing maximum blade approaching to the tractor front part and maximum force on blade knife.
DOZER EQUIPMENT
Tractor – 35 500 kg. Total weight (standard equipment, full fuel tank, SU-blade, three-shank ripper, operator) – 46 200 kg
WEIGHTRipper type
* - with grouses deepened
Number of
shanks
Weight, kg
Lift above
ground, max., mm
Digging depth, max., mm
Breakout force, max., T
Penetration force, max., T
Single-shank
Multi-shank
20 Engine power h.p. at 2 100 RPMOperating weight – 36 000 kgShoe wight – 560 mm
– 335/300
DOZER
TUV
QSM11-C330 four-stroke, air aftercooled, liquid-cooled diesel engine manufactured by Cummins company. • Cylinder bore and piston stroke - 125 mm х 147 mm • Engine displacement - 10.8 L • Operating power – 222 kW (302 h.p.) at 2 100 rpm • Max. torque – not lower than 1674 Nm at 1 100 ... 1 400 rpm
YaMZ-238B– 21, V8, 4-stroke, turbocharged diesel engine manufac-tured by Yaroslavl Motor Plant. • Cylinder bore and piston stroke - 130 mm х 140 mm • Engine displacement – 14.86 L • Operating power – 205 kW (280 h.p.) at 2 000 rpm• Max. torque – not lower than 1180 Nm at 1 200 ... 1 400 rpmFull-flow oil cleaning system with one replaceable paper filtering element and centrifugal filter. Liquid-oil heat exchanger for engine oil cooling.
six-cylinder in-line, turbocharged and air-to-
ENGINE
Final drive is of two-stages, the 1-st one having external gearing pinions and the second one of planetary “ k+1” type (with the stopped crown gear). The sprocket has a 5-segment design, with the segments being bolt-on for easy replacement in field conditions.
FINAL DRIVE
Suspension: A three-point semi-rigid suspension with displaced oscillating axle of bogies provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages. Number of track rollers (each side) – 7. Number of support rollers (each side) – 2.Idler – microcushioned Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. Track tension is easily adjusted with grease gun. Link pitch – 228.6 mm Number of shoes (each side) – 40 Grouser height – 80 mm Shoe width – 560 mm
2Ground contact area – 3.44 m
UNDERCARRIAGE
Depending on the ripper working conditions, one, two or three shanks may be mounted. Combined with hydraulically variable ripping angle it will provide high productivity.
RIPPER EQUIPMENT
A planetary-type gearbox with oil operating, high capacity torque transmitting clutches 415 mm in diameter provides three forward gears and three reverse ones with gear shifting under load. The modulating system allows changing gears smoothly under load. Gear and travel direction change is performed by one lever. As per design the gearbox is connected with matching reducing gear and main drive forming a single power train unit mounted on rear axle bore. A three-element one-stage torque converter with efficient diameter of 410 mm, maximum transformation ratio Ko = 2.9 with pumps drive reduction gear is connected with the gearbox by means of spline coupling and mounted on the front wall of the rear axle. The torque converter is connected with the engine-mounted elastic clutch through drive line.
GEARBOX
Remote-cylinder hydraulic system: • Two-section NSh100-50 gear pump of 235 L/min capacity at 1,750 rpm • Five-section control valve consisting of one valve section and four spool sections
2• Maximum relief valve setting – 20 М Pa (200 kgf/cm) • Hydraulic tank capacity (welded tank suitable for mechanical treatment of inner surfaces) – 130 L
HYDRAULIC SYSTEM
Large capacity of U-blade provides increased productivity, application of diagonal tie-rod for transferring blade side forces to frame left side rail providing maximum blade approaching to the tractor front part and maximum force on blade knife.
DOZER EQUIPMENT
WEIGHTTractor – 28 000 kg. Total weight (standard equipment, full fuel tank, SU-blade, three-shank ripper, operator) – 36 000 kg
Single-shank
Ripper type
Number of
shanks
Weight, kg
Lift above ground,
max., mm
Digging depth, max., mm
Breakout force, max., T
Penetration force, max., T
Engine power /650 h.p. at 2 100 RPMOperating weight – 67 850 kgShoe wight – 610 mm
– 660
DOZER
QSK19-C650 four-stroke, turbocharged, air-to-air aftercooled, liquid-cooled diesel engine manufactured by Cummins company. • Cylinder bore and piston stroke - 159 mm х 159 mm • Engine displacement - 18.9 L • Operating power – 434 kW (590 h.p.) at 2 100 rpm• Max. torque, not less than – 3,118 Nm + 156 Nm at 1,500 rpm Engine with "Quantum" system, comprising electronic fuel injection, diagnostic, engine protection and engine control systems. Oil cleaning system with full-flow filter with two replaceable filtering elements. Fuel cleaning system has the Fleetguard Industrial Pro FH234 water separating filter and the fuel filter with two replaceable filtering elements (tractor frame mounted). The cooling system includes two radiators blocks, i.e. transmission oil cooling radiator and engine coolant radiator and a block of charge air cooler and fuel radiators. Heat control is performed by thermostat and blower fan.
YaMZ-E856.10, V12, 4-stroke, turbocharged, liquid-to-air aftercooled diesel engine manufac-tured by Yaroslavl Motor Plant. • Cylinder bore and piston stroke - 140 mm х 140 mm • Engine displacement – 25.86 L • Operating power – 434 kW (590 h.p.) at 2 100 rpm• Max. torque – not lower than 2 600 Nm at 1 300 ... 1 500 rpm
six-cylinder in-line,
ENGINE
Suspension: A three-point semi-rigid suspension with microcushioning of track rollers, telescopic bogies with displaced oscillating axle of bogies and cross equalizing beam provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages. Number of track rollers (each side) – 6. Number of support rollers (each side) – 2.Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. Track tension is easily adjusted with grease gun. Link pitch – 280.0 mm. Number of shoes (each side) – 40. Grouser height - 93 mm. Shoe width – 610 mm.
2Ground contact area – 4.61 m 2Ground pressure – 1.472 kgf/cm
UNDERCARRIAGE
For ripper operation one shank is mounted.Combined with hydraulically variable ripping angle it will provide high productivity.
RIPPER EQUIPMENT
A planetary-type gearbox with oil operating, high capacity torque transmitting clutches 455 mm in diameter provides three forward gears and three reverse ones with gear shifting under load. Gear and travel direction change is performed by one lever. Gear and travel direction change is electro hydraulic. The gearbox, matching reducing gear and main drive are united into a power unit mounted in the rear axle case. A three-element one-stage torque converter with efficient diameter of 480 mm, maximum transformation ratio Ko = 2.64 is in one unit with pumps drive reduction gear and fastened to the engine. It is connected with the engine flywheel through elastic clutch and with the gearbox by means of drive line.
GEARBOX
Remote-cylinder hydraulic system includes: • Three gear pumps: two S1A6155 and one NSh10 of 550 L/min total capacity at 2,100 rpm engine speed • Two spool control valves providing blade raise and tilt, ripper shank raise and digging angle change. Servocontrol hydraulic system remotely controls over spools • Tank with filters, hydraulic cylinders
2• Maximum relief valve setting – 20 М Pa (200 kgf/cm)
HYDRAULIC SYSTEM
Large capacity of SU-blade provides increased productivity, application of diagonal tie-rod for transferring blade side forces to frame left side rail providing maximum blade approaching to the tractor front part and maximum force on blade knife when digging.
DOZER EQUIPMENT
Tractor – 50 840 kg. Total weight (standard equipment, full fuel tank, SU-blade, three-shank ripper, operator) – 67 850 kg
WEIGHT
H435 Engine power660/ h.p. at 2 100 RPMOperating weight – 65 500 kgShoe wight – 650 mm
– 560
DOZER
QSK19-C650 six-cylinder in-line, 4-stroke, turbocharged, air-to-air aftercooled, liquid-cooled diesel engine manufactured by Cummins company. • Cylinder bore and piston stroke - 159 mm х 159 mm • Engine displacement - 18.9 L • Operating power – 434 kW (590 h.p.) at 2 100 rpm• Max. torque, not less than – 3,118 Nm + 156 Nm at 1,500 rpm Engine with "Quantum" system, comprising electronic fuel injection, diagnostic, engine protection and engine control systems.
YaMZ-850.1,. V12, 4-stroke, air-to-air aftercooled, turbocharged diesel engine manufactured by Yaroslavl Motor Plant. • Cylinder bore and piston stroke - 140 mm х 140 mm • Engine displacement – 25.86 L • Operating power – 382 kW (520 h.p.) at 1 900 rpm
ENGINE
Suspension: A three-point semi-rigid suspension with displaced oscillating axle of bogies provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages.Number of track rollers (each side) – 7. Number of support rollers (each side) – 2. Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. Track tension is easily adjusted with grease gun. Link pitch – 250.0 mm Number of shoes (each side) – 42 Grouser height – 90 mm Shoe width – 650 mm
2Ground contact area – 4.61 m 2Ground pressure – 1.31 kgf/cm
UNDERCARRIAGE
Large capacity of U-blade provides increased productivity, application of diagonal tie-rod for transferring blade side forces to frame left side rail providing maximum blade approaching to the tractor front part and maximum force on blade knife.
RIPPER EQUIPMENT
A planetary-type gearbox with oil operating, high capacity torque transmitting clutches 455 mm in diameter provides three forward gears and three reverse ones with gear shifting under load. Gear and travel direction change is performed by one lever. The gearbox, matching reducing gear and main drive are united into one power unit mounted into the rear axle case. A three-element one-stage torque converter with efficient diameter of 480 mm, maximum transformation ratio Ko = 2.64 is fastened to the pump drive reduction gear and connected with engine-mounted elastic clutch by means of spline coupling. The torque converter is connected with the gearbox through drive line.
GEARBOX
Remote-cylinder hydraulic system includes: • Three gear pumps: NSh250, NSh100, NSh10 of 500 L/min total capacity at 1,900 rpm engine speed • Two spool control valves providing blade raise and tilt, ripper shank raise and digging angle change. Servocontrol hydraulic system remotely controls over spools • Tank with filters, hydraulic cylinders
2• Maximum relief valve setting – 20 М Pa (200 kgf/cm)
HYDRAULIC SYSTEM
Large capacity of U-blade provides increased productivity, application of diagonal tie-rod for transferring blade side forces to frame left side rail providing maximum blade approaching to the tractor front part and maximum force on blade knife.
DOZER EQUIPMENT
Tractor – 44 700 kg. Total weight (standard equipment, full fuel tank, SU-blade, three-shank ripper, operator) – 65 500 kg
WEIGHT
Ripper type
* - with grouses deepened
Number of
shanks
Weight, kg
Lift above
ground, max., mm
Digging depth, max., mm
Breakout force, max., T
Penetration force, max., T
Single-shank
Three-shank
Final drive is of two-stages, the 1-st one having external gearing pinions and the second one of planetary “ k+1” type (with the stopped crown gear). The sprocket has a 5-segment design, with the segments being bolt-on for easy replacement in field conditions.
FINAL DRIVE
SPECIAL EQUIPMENT
Dozer and ripper unit with reduced specific ground pressure
Suspension: A three-point semi-rigid suspension with displaced oscillating axle of bogies provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages.Number of track rollers (each side) - 7Number of support rollers (each side) - 2Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. The track chain tension can be easilyadjusted with a grease gun.Link pitch – 203 mm. Number of shoes (each side) – 43 Grouser height - 65 mm. Shoe width – 910 mm Base – 3,022 mm
2Ground contact area – 5.5 m 2 2Ground pressure: with ripper – 0.43 kgf/cm, without ripper – 0.40 kgf/cm
UNDERCARRIAGE
Dozer and ripper unit with reduced specific ground pressure, tilt blade and pull winch
Traction force, kN (kgf), max -167 (17,000) Cable diameter, mm – 21 Cable length, m – 60 Transportation distance, max, m – 55 Speed of the primary winding at engine speed of 2,000 rpm, m/min,not less than – 10.0Drum dimensions, mm: Drum diameter – 300 Width – 290 Winch drive – hydrostatic Oil operating pressure, MPa (kgf/ cm2): Winch drive – 18 (180) Brake control – 2.2 (22) Weight, kg - 1,793
TRACTION UNIT
Traction force, kgf, max – 30,000 Cable diameter, mm – 28 Cable length, m – 75 Winding/unwinding speed, m/min, max – 10.0 Drum dimensions, mm: Diameter – 470 Length – 400 Winch drive – hydrostatic via planetary reduction gear housed in winch drum Gear ratio – 221 Weight, kg – 2,455
Dozer and ripper unit with reduced specific ground pressure
Suspension: A three-point semi-rigid suspension with displaced oscillating axle of bogies provides higher traction characteristics, reduction of impact loads on undercarriage, improvement of working conditions. Track rollers, support rollers and idlers feature a life-time lubrication and self-adjusting “ duo-cone” seal packages.Number of track rollers (each side) – 8. Number of support rollers (each side) – 2. Track chains: Assembled with single-grouser track shoes and a seal package for retaining a fluid lubricant in the hinge. The track chain tension can be easilyadjusted with a grease gun. Link pitch – 250 mm. Number of shoes (each side) – 41 Grouser height - 80 mm. Shoe width – 840 mm
2Ground contact area – 5.93 m 2Ground pressure – 0.83 kgf/cm
Dozer unit with pull winch
Winch on hydroficated platform with single-shank ripper-uprooter Digging depth – 600 mm Shank lift above ground – 730 mmDrive – hydrostatic via planetary reduction gear housed in winch drum Drum diameter – 660 mmCable operating length – 80 mmCable diameter – 36.5 mmCable pooling force, max – 50 t Cable winding/unwinding speed, max – 10 m/min Unit weight – 7,230 kg
WINCH
CHETRA 35G
Dozer unit with pull winch and cargo boom
Drive – hydrostatic via planetary reduction gear housed in winch drum Drum diameter – 660 mm Cable operating length – 80 mm Cable diameter – 36.5 mm Cable pooling force – 50 t Cable winding/unwinding speed, max – 10 m/min
Specifications when the platform is on the ground. Lifting capacity, max – 50,000 kg Hook lift above ground: min – 1,950 mm, max – 5,250 mm Boom overhang along the hook axis from the edge of the platform min – 850 mm, max – 2,600 mm
CHETRA 11M CHETRA 25M
CHETRA 11P CHETRA 35BL3
CHETRA 15BL3
Dozer unit with pull winch
CHETRA 20BL
Dozer unit with pull winch
UNDERCARRIAGE
WINCH WINCH
WINCH
FOR NOTE