772 (07) Off-Highway Truck

Operating Specifications

Nominal Payload Class (100%)

51.6 ton (US)

Top Speed - Loaded

49.2 mile/h

Maximum Payload Class (110%)

56.7 ton (US)

Body Capacity - SAE 2:1

40.8 yd³

Target Payload Capacity

51.6 ton (US)

Not to Exceed Payload (120%)

61.9 ton (US)

Body Capacity (SAE 2:1)**

40.8 yd³

Engine

Engine Model

Cat® C18

Rated Engine Speed

1700 r/min

Gross Power - SAE J1995:2014

605 hp

Net Power - SAE J1349:2011

550 hp

Net Power - ISO 9249

550 hp

Number of Cylinders

6

Bore

5.7 in

Stroke

7.2 in

Displacement

1105 in³

Net Torque - SAE J1349

2221 ft-lb

Engine Power - ISO 14396

598 hp

Weights - Approximate

Target Gross Machine Operating Weight

181000 lb

Chassis Weight

59223 lb

Body Weight

17306 lb

Target Gross Machine Weight

181000 lb

Weight Distributions - Approximate

Front Axle - Empty

51.4 %

Front Axle - Loaded

34.2 %

Rear Axle - Empty

48.6 %

Rear Axle - Loaded

65.8 %

Transmission

Forward - 1

8 mile/h

Forward - 2

10.9 mile/h

Forward - 3

14.8 mile/h

Forward - 4

19.8 mile/h

Forward - 5

26.9 mile/h

Forward - 6

36.2 mile/h

Forward - 7

49.2 mile/h

Reverse

10.4 mile/h

Final Drives

Differential Ratio

2.74:1

Planetary Ratio

4.80:1

Total Reduction Ratio

13.14:1

Brakes

Brake Surface - Front

216 in²

Brake Surface - Rear

7794 in²

Brake Standards

ISO 3450:2011

Service Refill Capacities

Fuel Tank

140 gal (US)

Cooling System

33 gal (US)

Differential - Final Drives

47 gal (US)

Steering Tank

14.5 gal (US)

Steering System - Including Tank

23 gal (US)

Torque Converter - Transmission System

17 gal (US)

Brake Hoist System

60 gal (US)

DEF Tank

6 gal (US)

Crankcase

17 gal (US)

Brake/Hoist Hydraulic Tank

38 gal (US)

Body Hoists

Pump Flow - High Idle

112 gpm

Relief Valve Setting - Raise

2750 psi

Relief Valve Setting - Lower

500 psi

Body Raise Time - High Idle

8 s

Body Lower Time - Float

10 s

Body Power Down - High Idle

10 s

Suspension

Rear axle - Oscillation

8.9 °

Empty Loaded Cylinder Stroke Front

9.2 in

Empty Loaded Cylinder Stroke Rear

5.8 in

Capacity - Dual Slope - 100% Fill Factor

Heaped 2:1 (SAE)

40.8 yd³

Struck

31.3 yd³

Capacity - Flat Floor - 100% Fill Factor

Struck

31.3 yd³

Heaped 2:1 (SAE)

40.9 yd³

ROPS

FOPS Standards

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

ROPS Standards

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

Sound

Sound Standards (3)

Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab.

Sound Standards (2)

Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A).

Sound Standards (1)

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

Steering

Turning Diameter - Front

57.7 ft

Steering Standards

ISO 5010:2007

Steer Angle

40.5 °

Turning Circle - Clearance Diameter

66.6 ft

Dimensions

Height - Top of ROPS

12.8 ft

Inside Body Depth - Maximum

5.7 ft

Overall Body Length

26.8 ft

Inside Body Length

19 ft

Overall Length

28.9 ft

Wheel Base

13 ft

Rear Axle - Tail

9.5 ft

Ground Clearance

1.6 ft

Dump Clearance

1.5 ft

Loading Height - Empty

11.6 ft

Overall Height - Body Raised

27.1 ft

Operating Width

15.7 ft

Centerline Front Tire Width

10.4 ft

Engine Guard Clearance

2 ft

Outside Body Width

12.9 ft

Inside Body Width

11.9 ft

Front Canopy Height

13.7 ft

Rear Axle - Clearance

1.9 ft

Centerline of Rear Dual Tire Width

8.7 ft

Overall Tire Width

12.9 ft

Tires

Standard Tire

21.00R33 (E4)