770G Off-Highway Truck

Operating Specifications

Nominal Payload Class (100%)

42.1 ton (US)

Top Speed - Loaded

45.8 mile/h

Target Payload (100%)

42.1 ton (US)

Maximum Working Payload (110%)

46.3 ton (US)

Maximum Allowable Payload (120%)*

50.5 ton (US)

Body Capacity - SAE 2:1

32.9 yd³

Note (1)

*Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.

Note (2)

Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.

Engine

Engine Model

Cat® C15

Rated Engine Speed

1700 r/min

Gross Power - SAE J1995:2014

515 hp

Net Power - SAE J1349:2011

477 hp

Net Power - ISO 9249

477 hp

Net Power - 80/1269/EEC

489 hp

Net Power - ISO 14396

508 hp

Net Torque - SAE J1349

1834 ft·lbf

Number of Cylinders

6

Bore

5.4 in

Stroke

6.7 in

Displacement

927.6 in³

Note (1)

Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.

Note (2)

Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).

Note (3)

No engine derating required up to 3000 m (9,843 ft) altitude.

Note (4)

Meets Japan Small Volume Exemption.

Emissions

Meets U.S. EPA Tier 4 and EU Stage V emission standards.

Weights - Approximate

Target Gross Machine Operating Weight

157000 lb

Target Gross Machine Weight

157000 lb

Chassis Weight

55948 lb

Body Weight

17306 lb

Note (1)

Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.

Note (2)

Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.

Transmission

Forward - 1

7.4 mile/h

Forward - 2

10.1 mile/h

Forward - 3

13.8 mile/h

Forward - 4

18.5 mile/h

Forward - 5

25.1 mile/h

Forward - 6

33.8 mile/h

Forward - 7

45.8 mile/h

Reverse

8.8 mile/h

Note

Maximum travel speeds with standard 18.00R33 (E4) tires.

Final Drives

Differential Ratio

1.92:1

Planetary Ratio

4.80:1

Total Reduction Ratio

9.26:1

Brakes

Brake Surface - Front

216 in²

Brake Surface - Rear

6235 in²

Brake Standards

ISO 3450:2011

Note

Target gross machine operating weight is 71 214 kg (157,000 lb).

Body Hoists

Pump Flow - High Idle

118 gal/min

Relief Valve Setting - Raise

2750 psi

Relief Valve Setting - Lower

500 psi

Body Raise Time - High Idle

7.5 s

Body Lower Time - Float

10 s

Body Power Down - High Idle

10 s

Capacity - Dual Slope - 100% Fill Factor

Struck

23.01 yd³

Heaped (SAE 2:1)*

32.9 yd³

Note (1)

Contact your local Cat dealer for body recommendation.

Note (2)

*ISO 6483:1980.

Capacity - Flat Floor - 100% Fill Factor

Struck

23.01 yd³

Heaped (SAE 2:1)*

32.9 yd³

Note (1)

Contact your local Cat dealer for body recommendation.

Note (2)

*ISO 6483:1980.

Weight Distributions - Approximate

Front Axle - Empty

49 %

Front Axle - Loaded

34 %

Rear Axle - Empty

51 %

Rear Axle - Loaded

66 %

Suspension

Empty Loaded Cylinder Stroke Front

9.2 in

Empty Loaded Cylinder Stroke Rear

5.9 in

Rear axle - Oscillation

8.9 °

Service Refill Capacities

Fuel Tank

140 gal (US)

Cooling System

33 gal (US)

Crankcase

17 gal (US)

Differential - Final Drives

47 gal (US)

Steering Tank

14.5 gal (US)

Steering System - Including Tank

23 gal (US)

Brake/Hoist Hydraulic Tank

38 gal (US)

Brake Hoist System

60 gal (US)

Torque Converter - Transmission System

17 gal (US)

DEF Tank

6 gal (US)

Steering

Steering Standards

ISO 5010:2007

Steer Angle

40.5 °

Turning Diameter - Front

57.7 ft

Turning Circle - Clearance Diameter

66.6 ft

Note

Target gross machine operating weight is 71 214 kg (157,000 lb).

Tires

Standard Tire

18.00R33 (E4)

Note (1)

Productive capabilities of the 770G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.

Note (2)

Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.

ROPS

ROPS Standards

Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

FOPS Standards

Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.

Sound

Sound Standards (1)

Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

Sound Standards (2)

Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).

Sound Standards (3)

Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.

Dimensions

Height - Top of ROPS

12.7 ft

Overall Body Length

26.8 ft

Inside Body Length

18.5 ft

Overall Length

28.9 ft

Wheel Base

13 ft

Rear Axle - Tail

8.5 ft

Ground Clearance

1.6 ft

Dump Clearance

1.7 ft

Loading Height - Empty

10.3 ft

Inside Body Depth - Maximum

4.6 ft

Overall Height - Body Raised

27.1 ft

Operating Width

15.7 ft

Centerline Front Tire Width

10.2 ft

Engine Guard Clearance

1.8 ft

Outside Body Width

12.9 ft

Inside Body Width

11.9 ft

Front Canopy Height

13.5 ft

Rear Axle - Clearance

1.8 ft

Centerline of Rear Dual Tire Width

8.3 ft

Overall Tire Width

12.1 ft