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772G Off-Highway Truck

772G Off-Highway Truck

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In 1963, Caterpillar introduced the 769, a revolutionary off-road truck that was purpose built for the rigors of mining and heavy construction. Fifty years later, our trucks have never been better. We’ve taken the best of our rugged, dependable heritage and combined it with technologies that help our environment, make your operators more productive and dramatically improve the economics of your haul fleet. This 772G has an updated traction control system to keep you moving when the ground conditions aren’t perfect, you’ll see improvements in fuel use through new and flexible fuel saving strategies, and we’re making the operating experience best in class with automotive quality shifting, noise reduction and cab updates. Our heritage and new use of technology are combined in this truck for one purpose – the continued success of your business.

Engine

Engine Model
Cat® C18 ACERT™
Rated Engine Speed
1700.0 RPM
Gross Power - SAE J1995
605.0 hp
Net Power - SAE J1349
550.0 hp
Net Power - ISO 9249
550.0 hp
Number of Cylinders
6
Bore
5.7 in
Stroke
7.2 in
Displacement
1105.0 in3
Engine Power - ISO 14396
598.0 hp
Net Torque - SAE J1349
2221.0 ft-lb

Weights - Approximate

Target Gross Machine Operating Weight
181000.0 lb
Chassis Weight
59223.0 lb
Body Weight
17306.0 lb
Target Gross Machine Weight
181000.0 lb

Operating Specifications

Nominal Payload Class (100%)
51.6 tons
Top Speed - Loaded
49.2 mph
Body Capacity (SAE 2:1)
40.8 yd3
Maximum Payload Class (110%)
56.7 tons
Not to Exceed Payload (120%)
61.9 tons
Target Payload Capacity
51.6 tons

Transmission

Forward 1
8.0 mph
Forward 2
10.9 mph
Forward 3
14.8 mph
Forward 4
19.8 mph
Forward 5
26.9 mph
Forward 6
36.2 mph
Forward 7
49.2 mph
Reverse
10.4 mph

Final Drives

Differential Ratio
2.74:1
Planetary Ratio
4.80:1
Total Reduction Ratio
13.14:1

Brakes

Brake Surface - Front
216.0 in2
Brake Surface - Rear
7794.0 in2
Brake Standards
ISO 3450:1996

Body Hoists

Pump Flow - High Idle
118.0 gal/min
Relief Valve Setting - Raise
2750.0 psi
Relief Valve Setting - Lower
500.0 psi
Body Raise Time - High Idle
7.5 Seconds
Body Lower Time - Float
10.0 Seconds
Body Power Down - High Idle
10.0 Seconds

Capacity - Dual Slope - 100% Fill Factor

Struck
31.3 yd3
Heaped 2:1 (SAE)
40.8 yd3

Capacity - Flat Floor - 100% Fill Factor

Struck
31.3 yd3
Heaped 2:1 (SAE)
40.9 yd3

Weight Distributions - Approximate

Front Axle - Empty
51.4 %
Front Axle - Loaded
34.2 %
Rear Axle - Empty
48.6 %
Rear Axle - Loaded
65.8 %

Suspension

Rear Axle Oscillation
8.9 Degrees
Empty Loaded Cylinder Stroke Front
9.2 in
Empty Loaded Cylinder Stroke Rear
5.8 in

Service Refill Capacities

Fuel Tank
140.0 gal
Cooling System
33.0 gal
Differentials and Final Drives
47.0 gal
Steering Tank
14.5 gal
Steering System (Includes Tank)
23.0 gal
Brake Hoist System
60.0 gal
Brake/Hoist Hydraulic Tank
38.0 gal
Crankcase
17.0 gal
DEF Tanks
6.0 gal
Torque Converter/Transmission System
17.0 gal

Tires

Standard Tire
21.00R33 (E4)

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
Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Sound Standards
Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 115 dB(A).
Sound Standards
Operator Equivalent Sound Pressure Level (Leq) is 74 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab.

Steering

Turning Diameter - Front
57.7 ft
Steering Standards
ISO 5010:2007
Steer Angle
31.0 Degrees
Turning Circle Clearance Diameter
66.6 ft

Dimensions

Height to Top of ROPS
12.8 ft
Inside Body Depth - Maximum
5.7 ft
Overall Body Length
26.8 ft
Inside Body Length
19.0 ft
Overall Length
28.9 ft
Wheelbase
13.0 ft
Rear Axle to 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
2.0 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 Rear Dual Tire Width
8.7 ft
Overall Tire Width
12.9 ft
  • Extended Life Brake Discs
  • Cat Engine Brake
  • Body heat/diverter box
  • Four (4) batteries
  • HID lights
  • Product Link
  • Backup alarm
  • Heated mirrors
  • Fuel heater
  • Ether aid
  • Coolant heater
  • Auto lube
  • Rear vision camera (WAVS)
  • Spare rims
  • Wheel chocks
  • Body sideboards
  • Traction Control System