New CAT Equipment

772G Off-Highway Truck

Your long-term success is our goal here at Cat, so we’ve developed our 772G to be more productive and economical for our customers for years to come. Equipped with new transmission controls, the 772G is built for heavy-duty, off-road applications and delivers quick haul cycles with automotive-quality shifting and comfort. The 772G is also built with a Cat C18 diesel engine and with our fuel saving strategies, you can adjust engine power to meet your specific needs. Ideal pass match options for the 772G are the Cat 986K or the 988K Wheel Loader and the 390F L Hydraulic Excavator. When you consider its fuel efficiency and performance, the 772G is the right Off-Highway Truck for all generations.

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Product Specs

Engine

Engine Model Cat® C18
Rated Engine Speed 1700 r/min
Gross Power - SAE J1995 605 HP
Net Power - SAE J1349 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

Operating Specifications

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

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 3450:1996

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 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 °
Empty Loaded Cylinder Stroke Rear 5.8 in
Empty Loaded Cylinder Stroke Front 9.2 in

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)
DEF Tank 6 gal (US)
Brake Hoist System 60 gal (US)
Crankcase 17 gal (US)
Brake/Hoist Hydraulic Tank 38 gal (US)

Tires

Standard Tire 21.00R33 (E4)

ROPS

ROPS Standards ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS Standards FOPS (Falling Objects Protective Structure) 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 (3) Operator Equivalent Sound Pressure Level (Leq) is 74 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 115 dB(A).

Steering

Turning Diameter - Front 57.7 ft
Steering Standards ISO 5010:2007
Steer Angle 31 °
Turning Circle - Clearance Diameter 66.6 ft

Dimensions

Inside Body Depth - Maximum 5.7 ft
Height - Top of ROPS 12.8 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