1FIT-1-1

SECTION 1

GENERAL

—CONTENTS—

Group 1 SpecificationsSpecifications...........................................T1-1-1

Working Ranges.......................................T1-1-2

Group 2 Component LayoutMain Component Layout...........................T1-2-1

Electrical Component Layout ....................T1-2-2

(Overview)

Elecrical System.......................................T1-2-3

(Relays and Related Equipment)

Electrical System......................................T1-2-4

(Monitors and Switches)

Pump Device............................................T1-2-5

Swing Device ...........................................T1-2-5

Control Valve............................................T1-2-5

Travel Device ...........................................T1-2-5

Signal Control Valve .................................T1-2-6

Pilot Relief valve.......................................T1-2-6

Solenoid Valve Unit ..................................T1-2-6

Group 3 Component SpecificationsEngine......................................................T1-3-1

Engine Accessories ..................................T1-3-4

Hydraulic Component ...............................T1-3-5

Electrical Component ...............................T1-3-7

1FIT-1-2

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GENERAL / Specifications

T1-1-1

SPECIFICATION

ZAXIS160LC

M1F1-12-001 M1F1-12-002

Model ZX160LC

Type of Front-End Attachment 2.58 m (8 ft 6 in) ArmBucket Capacity (Heaped) PCSA 0.60m3 (0.80 yd3), CECE 0.55 m3

Operating Weight 15600 kg (34400 lb)Basic Machine Weight 12100 kg (26700 lb)

EngineISUZU BB-4BG1TC 74 kW/1950 min-1 (100 PS/1950 rpm)

81 kW/2150 min-1 (110 PS/2150 rpm)A: Overall Width

(Excluding back mirrors)2500 mm (8 ft 2 in)

B: Cab Height 2880 mm (9 ft 5 in)C: Rear End Swing Radius 2440 mm (8 ft 0 in)D: Minimum Ground Clearance *470 mm (1 ft 7 in)E: Counterweight Clearance *1000 mm (3 ft 3 in)F: Engine Cover Height *2141 mm (7 ft 0 in)G: Overall Width of Upperstructure 2460 mm (8 ft 1 in)H: Undercarriage Length 3920 mm (12 ft 10 in)I: Undercarriage Width 2490 mm (8 ft 2 in)J: Sprocket Center to Idler Center 3100 mm (10 ft 2 in)K: Track Shoe Width 500 mm (20 in) (Iron Crawler)Ground Pressure 45 kPa (0.46 kgf/cm2, 6.5 psi)Swing Speed 13.6 min-1 (13.6 rpm)Travel Speed (fast/slow) 5.3/3.1 km/h (3.3/1.9 mph)Gradeability 35 degree (70 %)

NOTE: HP mode

* The dimensions do not include theheight of the shoe lug.

I

KK

D

B

G

A

H

J

E

F

C

GENERAL / Specifications

T1-1-2

WORKING RANGE

ZAXIS160LC

M1F1-12-003

M1F1-12-004

2.58 m (8 ft 6 in) arm 3.10 m (10 ft 2 in) arm 2.01 m (6 ft 7 in) armCategory

Item Backhoe Shovel Backhoe Shovel Backhoe Shovel

A: Maximum DiggingReach

8870 mm(29 ft 1 in)

8980 mm(29 ft 6 in)

9330 mm(30 ft 7 in)

9440 mm(30 ft 12 in)

8340 mm(27 ft 4 in)

8460 mm(27 ft 9 in)

*B:Maximum DiggingDepth

5980 mm(19 ft 7 in)

6100 mm(20 ft 0 in)

6490 mm(21 ft 4 in)

6600 mm(21 ft 8 in)

5410 mm(17 ft 9 in)

5530 mm(18 ft 2 in)

*C:Maximum CuttingHeight

8880 mm(29 ft 2 in)

9130 mm(29 ft 11 in)

9120 mm(29 ft 11 in)

9370 mm(30 ft 9 in)

8540 mm(28 ft 0 in)

8840 mm(29 ft 0 in)

*D:Maximum DumpingHeight

6170 mm(20 ft 3 in)

6090 mm(19 ft 12 in)

6400 mm(20 ft 12 in)

6330 mm(20 ft 9 in)

5870 mm(19 ft 3 in)

5770 mm(18 ft 11 in)

E: Transport Height 2880 mm(9 ft 6 in)

2860 mm(9 ft 5 in)

3110 mm(10 ft 2 in)

3110 mm(10 ft 2 in)

3120 mm(10 ft 3 in)

3120 mm(10 ft 3 in)

F: Overall TransportLength

8530 mm(27 ft 12 in)

8530 mm(27 ft 12 in)

8560 mm(28 ft 1 in)

8560 mm(28 ft 1 in)

8630 mm(28 ft 4 in)

8630 mm(28 ft 4 in)

G: Minimum SwingRadius

2910 mm(9 ft 7 in)

2910 mm(9 ft 7 in)

2920 mm(9 ft 7 in)

2920 mm(9 ft 7 in)

3250 mm(10 ft 8 in)

3250 mm(10 ft 8 in)

NOTE: * The dimensions do not include the heightof the shoe lug.

B

C

D

F

E

B

G

A

AF

E

B

C

E

D

G

GENERAL / Component Layout

T1-2-1

MAIN COMPONENT LAYOUT

T1F1-01-02-001

1 - Bucket Cylinder 6 - Hydraulic Oil Tank 11 - Radiator 16 - Swing Device2 - Arm Cylinder 7 - Solenoid Valve Unit 12 - Oil Cooler 17 - Center Joint3 - Boom Cylinder 8 - Pump Device 13 - Intercooler 18 - Pilot Shut-Off Valve4 - Fuel Tank 9 - Pilot Filter and Pilot Relief

Valve14 - Battery 19 - Travel Pilot Valve

5 - Control Valve 10 - Engine 15 - Signal Control Valve 20 - Front Attachment/SwingPilot Valve

1

2

3

45

67

8

9

10

11

1213

1415

16

17

18

19

20

GENERAL / Component Layout

T1-2-2

ELECTRICAL COMPONENT LAYOUT(Overview)

T1F1-01-02-006

1 - Horn 5 - Fuel Sensor 9 - Overheat Switch 13 - Battery2 - Work Light 6 - Hydraulic Oil Temperature

Sensor10 - Battery Relay 14 - Air Cleaner Restriction

Switch3 - Engine Oil Pressure Switch 7 - EC Motor and EC Sensor 11 - Glow Plug Relay 15 - Wiper Motor4 - Coolant Temperature

Sensor8 - Engine Oil Level Switch 12 - Coolant Level Switch

12

3

5

6

715

14

13

12

118

9

10

A

View A

4

• Pressure Sensor(Front Attachment)

Refer to the SwingDevice group.

• Pressure Sensor (Travel)• Pressure Sensor (Swing)Refer to the Signal ControlValve group.

• Torque ControlSolenoid Valve

• Max Pump 2 LimitSolenoid Valve

Refer to the PilotRelief Valve group.

• Pump 1 and 2 DeliveryPressure Sensor

• Pump 1 and 2 ControlPressure Sensor

• N SensorRefer to the Pump Devicegroup.

• Solenoid ValveUnit (SC)

• Solenoid ValveUnit (SI)

Refer to the SolenoidValve Unit group.

GENERAL / Component Layout

T1-2-3

ELECTRICAL SYSTEM(Relays and Related Equipment)

T178-01-02-006

T178-01-02-007

1- Mail Switch (SatelliteTerminal EquippedMachines only)

6- Fuse Box 11- Load Damp Relay (R1) 16- Wiper Relay A (R6)

2- QOS Controller 7- Learning Switch 12- Washer Relay (R2) 17- Wiper Relay B (R7)3- ICX (Information Controller) 8- Dr. EX Connector to MC 13- Work Light Relay 2 (R3) 18- Wiper Relay C (R8)4- MC (Main Controller) 9- Download Connector (Not connected on

Satellite Terminal Equipped Machines)14- Work Light Relay 1 (R4)

5-Satellite Terminal (Optional) 10- Dr. EX Connector to ICX 15- Horn Relay (R5)

46

1

3

5

7

8

9

10

15

14

18

17

16

13

12

11

Rear Deck

2

GENERAL / Component Layout

T1-2-4

ELECTRICAL SYSTEM(Monitors and Switches)

T178-01-01-012T178-01-01-013

1- Coolant Temperature Gauge 8- Alternator Indicator 14- Overheat Indicator 20- Engine Control Dial2- Fuel Gauge 9- Hydraulic Oil Filter Indicator

(Optional)15- Digging Mode Indicator 21- Auto-Idle/Acceleration

Selector3- Display Selection Switch 10- Coolant Level Indicator 16- Attachment Mode Indicator 22- Power Mode Switch4- SET Switch 11- Engine Oil Level Indicator 17- Liquid Crystal Display 23- Travel Mode Switch5- Work Mode Switch 12- Engine Oil Pressure

Indicator18- Auto-Idle Indicator 24- Work Light Switch

6- Fuel Level Indicator 13- Preheat Indicator 19- Auto-Acceleration Indicator 25- Wiper/Washer Switch7- Air Filter Restriction Switch

1 2

3

4

5

19

18

16

15

67

911

12

13

14

8

17

10

20

21

22

23

24

25

GENERAL / Component Layout

T1-2-5

PUMP DEVICE

T1F1-01-02-003

SWING DEVICE

T178-03-02-001

CONTROL VALVE

T176-01-02-003

TRAVEL DEVICE

T155-01-01-013

1 - Pump 2 Control PressureSensor

4 - Pump 1 Delivery PressureSensor

7 - Main Relief Valve 10 - Pressure Sensor(Front Attachment)

2 - Pump 1 Control PressureSensor

5 - N Sensor 8 - Pressure Sensor(Boom Raise)

11 - Counter Balance Valve

3 - Pump 2 Delivery PressureSensor

6 - Pressure Sensor(Arm Roll-In)

9 - Swing Relief Valve 12 - Travel Relief Valve

51

2

3

4

9

10

6

7

8

1211

GENERAL / Component Layout

T1-2-6

SIGNAL CONTROL VALVE

T178-03-06-015

PILOT RELIEF VALVE

T1F1-01-02-004

SOLENOID VALVE UNIT

T176-03-07-002

1 - Pressure Sensor (Swing) 3 - Pump 2 Flow Rate ControlSolenoid Valve

5 - Solenoid Valve Unit (SC) 6 - Solenoid Valve Unit (SI)

2 - Pressure Sensor (Travel) 4 - Torque Control SolenoidValve

1

2

65

34

GENERAL / Component Specifications

T1-3-1

ENGINE

Manufacturer .................................................. ISUZU

Model ............................................................. AA-4BG1TCG

Type ............................................................... Diesel, 4-Cycle, Water-cooled, Inline, Direct Injection

Cyl. No.- Bore × Stroke .................................. 4-105 mm×125 mm (4.13 in×4.92 in)

Piston Displacement ...................................... 4329 cm3 (264 in3)

Rated Output.................................................. 74 kW/1950 min-1 (100 PS/1950 rpm)

HP Mode: 81 kW/2150 min-1 (110 PS/2150 rpm)

Compression Ratio ........................................ 18:0

Dry Weight ..................................................... 362 kg (798 lb)

Firing Order .................................................... 1-3-4-2

Rotation Direction........................................... Clockwise (Viewed from fan side)

COOLING SYSTEM

Cooling Fan.................................................... Dia. 600 mm(21.7 in), 7 Blades (N-Type Blade, Unequal Pitch),

Draw-in Type

Fan Pulley Ratio ............................................. Engine rpm × 0.80

Thermostat..................................................... Cracking Temperature at Atmospheric Pressure: 82 °C(180 °F)

Full Open(Stroke: 10 mm or more) Temperature: 95 °C(203 °F)

Water Pump ................................................... Centrifugal Belt Driven Type

LUBRICATION SYSTEM

Lubrication Pump Type .................................. Gear Pump

Oil Filter.......................................................... Full-Flow Paper Element Type with Bypass

Oil Cooler ....................................................... Water Cooled Integral Type

STARTING SYSTEM

Motor ..............................................................Magnetic Pinion Shift Reduction Type

Voltage / Output .............................................24 V / 4.5 kW

PREHEAT SYSTEM

Preheating Method.........................................Glow Plug (QOS 2 Type)

ENGINE STOP SYSTEM

Stop Method................................................... Fuel Shut-Off

GENERAL / Component Specifications

T1-3-2

ALTERNATOR

Type ............................................................... Regulator Integrated AC Type

Voltage / Output ............................................. 24 V / 50 A (Brushless)

SUPERCHARGING SYSTEM

Type ............................................................... Exhaust-Turbocharger Type TD04HL

FUEL SYSTEM

Type ...............................................................BOSCH Type (AD Concave Cam)

Governor ........................................................Centrifugal All Speed Control RSV Type

Injection Nozzle .............................................Multi-Hole Type

PERFORMANCELubricant Consumption .................................. Less than 40 mL/h at Rated OutputFuel Consumption Ratio................................. Less than 225±14 g/kW/h at 81+5.1

-0.7kW / 2150 min-1

Injection Timing .............................................. 10 ° before T.D.C.Maximum Output Torque................................ More than 400+56

-16 N⋅m (40.8 kgf⋅m) at approx. 1800 min-1

Injection Pressure .......................................... 18.1 MPa (185 kgf/cm2)Compression Pressure .................................. 3.0 MPa (31 kgf/cm2)Valve Clearance (Inlet / Exhaust)................... 0.4 / 0.4 mm (when cool)No Load Speed ............................................. Slow: 950+50

-0 min-1

Fast: 2390±25 min-1

GENERAL / Component Specifications

T1-3-3

Engine Performance Curve (AA-4BG1TCG)

Test Condition: 1. In conformity with JIS D1005 (Performance Test Method for Diesel Engine Used for Construc-tion Machinery) under standard atmospheric pressure.

2. Equipped with the fan and alternator.

T1F1-01-03-001

Output

kW

Engine Speed min-1(rpm) ×100

FuelConsumptionRatio

g/kW h

Torque

N⋅m

P Mode

HP Mode

P Mode

HP Mode

GENERAL / Component Specifications

T1-3-4

ENGINE ACCESSORIES

RADIATOR ASSEMBLYType .....................................................Radiator/Oil Cooler/Intercooler Tandem Type AssemblyWeight..................................................73 kg (160 lb)

Radiator Oil CoolerCapacity ...............................................7.8 L (2.0 US gal) 18.0 L (4.8 US gal)Air-Tight Test Pressure.........................100 kPa (1.0 kgf/cm2, 14.5 psi) 1500 kPa (15.3 kgf/cm2, 218 psi)Cap Opening Pressure.........................49 kPa (0.5 kgf/cm2, 7 psi) −

IntercoolerCapacity ...............................................7.2 L (1.9 US gal)Air-Tight Test Pressure.........................250 kPa (2.6 kgf/cm2, 36.3 psi)Cap Opening Pressure......................... −

BATTERYCapacity ...............................................55 Ah (5-Hour Rate)Voltage .................................................12 VWeight..................................................18 kg(40 lb) × 2

GENERAL / Component Specifications

T1-3-5

HYDRAULIC COMPONENT

MAIN PUMPModel ............................................................. A8V080LA1KH2/63R1Type ............................................................... Variable Displacement Double PumpMaximum Flow (Theoretical Value)................ 105 L/min (27.7 US gpm) × 2

REGULATORType ............................................................... Hydraulic Pressure Operated Type

PILOT PUMPType ............................................................... Fixed Displacement Type Gear PumpMaximum Flow (Theoretical Value)................ 21.5 L/min (5.67 US gpm)

CONTROL VALVEModel ............................................................. X34Type ............................................................... Pilot Pressure Operated Type (4-Spools + 5-Spools)Main Relief Set-Pressure ............................... Normal: 34.3 MPa (350 kgf / cm2, 4980 psi) at

90 L/min (23.8 US gpm)Overload Relief Set-Pressure ........................ 37.3 MPa (380 kgf/cm2, 5400 psi) at 50 L/min (13.2 US gpm)

(Boom, Arm Roll-In, Bucket Roll-In)39.2 MPa (400 kgf/cm2, 5690 psi) at 50 L/min (13.2 US gpm)(Arm Roll-Out, Bucket Roll-Out)

SWING DEVICEType ............................................................... Two-Stage Reduction Planetary GearReduction Gear Ratio..................................... 14.9

SWING MOTORType ............................................................... Swash-Plate Type, Fixed Displacement Axial Plunger Motor

VALVE UNITType ............................................................... Non Counterbalance Valve TypeRelief Set-Pressure........................................ 30.4 MPa (310 kgf/cm2, 4408 psi)

SWING PARKING BRAKEType ............................................................... Multi-Disc-Wet Negative TypeRelease Pressure .......................................... 1.6 to 2.4 MPa (16.3 to 24.5 kgf/cm2, 232 to 348 psi)

GENERAL / Component Specifications

T1-3-6

TRAVEL DEVICEType ...............................................................Three-Stage Reduction Planetary GearReduction Gear Ratio.....................................62.5

TRAVEL MOTORType ............................................................... Swash-Plate Type Variable Displacement Axial Plunger Motor

TRAVEL BRAKE VALVEType ............................................................... Counter Balance Valve TypeRelief Set Pressure ........................................ 35.8+1.0

0 MPa (360+100 kgf/cm2, 5120+142

0 psi) at 37 L/min-1

TRAVEL PARKING BRAKEType ............................................................... Single-Disc-Wet Negative Type

CYLINDERBoom Arm Bucket

Rod Diameter........................................................ 80 mm (3.15’’) 90 mm (3.54’’) 75 mm (2.95’’)Cylinder Bore ........................................................ 110 mm (4.33’’) 120 mm (4.72) 105 mm (4.13’’)Stroke ................................................................... 1110 mm (3’ 7.7’’) 1365 mm (4’ 5.7’’) 935 mm (3’ 0.8’’)Fully Retracted Length.......................................... 1655 mm (5’ 5.2’’) 1905 mm (6’ 3’’) 1460 mm (4’ 9.5’’)Plating Thickness ................................................. 30 µm (1.8 µm) 30 µm (1.8 µm) 30 µm (1.8 µm)

FRONT ATTACHMENT PILOT VALVEModel ............................................................. HVP06A-040-010

TRAVEL PILOT VALVEModel ............................................................. HVP05F-040-010

SOLENOID VALVE UNITFunction ......................................................... ⋅ SC : Arm Regenerative Control

⋅ SI : Travel Motor Swash-Angle Control

PILOT PRESSURE SIGNAL CONTROL VALVEFunction ......................................................... ⋅ Shock Reducing (Boom Raise)

⋅ Pump Flow Rate Control⋅ Bucket Flow Rate Control⋅ Swing Parking Brake Release⋅ Flow Combiner Valve Control

PILOT SHUT-OFF VALVEType ............................................................... Rotary Type

OIL COOLER BYPASS CHECK VALVECracking Pressure ......................................... 392 kPa (4 kgf/cm2) at 5 L/min

GENERAL / Component Specifications

T1-3-7

ELECTRICAL COMPONENT

BATTERY RELAYVoltage / Current ............................................24 V / 100 A

GLOW RELAYVoltage ........................................................... 24 V

HORNVoltage / Current ............................................ 24 V⋅1.5 ASound Pressure ............................................. 113 dB (A)

ILLUMINATIONSpecifications ................................................. Work Light : Halogen 24V, 70 W / 60 W

Cab Light : 24 V, 10 W

AIR CONDITIONERRefrigerant .................................................... 134 aCooling Ability................................................. 19.3 MJ/h(4600 kcal/h)Cool Air Volume ............................................. 550 m3/h or MoreHeating Ability ................................................ 21.0 MJ/h (5000 kcal/h) or MoreWarm Air Volume........................................... 400 m3/h or MoreTemperature Adjusting System ...................... Electronic TypeRefrigerant Quantity ....................................... 950±50 gCompressor Oil Quantity................................ 180 cm3

GENERAL / Component Specifications

T1-3-8

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