View Details

Tap to Call Find a Sales Rep

775G Off-Highway Truck

775G Off-Highway Truck

At a Glance

Nominal Payload Class (100%)
70.5 ton (US)
Engine Model
Cat® C27 ACERT™
Top Speed - Loaded
41.6 mile/h
Rated Engine Speed
1800 r/min
Request a Demo Machine Comparison


Caterpillar is pleased to introduce to you the 775G off-highway truck. You may be asking how, after 40 years of building trucks, Caterpillar has improved this product’s ability to support your business. G Series has been designed and manufactured using the latest quality control technologies; both virtual and hands on. This product has over 30,000 hours of proven performance in the hands of customers prior to production, all of which ensures the truck delivered to your yard is ready to work, reliably and dependably. In addition to quality, Cat G Series trucks will lower your costs with seven different ways to help you conserve fuel. We offer you two customizable fuel economy modes that will let you choose the level of savings. With Cat G Series trucks in your haul fleets, you can be more productive, spend less time on maintenance, and support the environment with new levels of eco performance. Your crew will appreciate all the new comfort and conveniences in our updated cab. Simply put, Cat G Series trucks can and will make a positive difference to both your business and people.

Operating Specifications

+ -
Nominal Payload Class (100%) 70.5ton (US)
Top Speed - Loaded 41.6mile/h
Maximum Working Payload (110%) 77.5ton (US)
Not to Exceed Payload (120%)* 84.6ton (US)
Body Capacity - SAE 2:1 55.23yd³


+ -
Engine Model Cat® C27 ACERT™
Rated Engine Speed 1800r/min
Gross Power - SAE J1995 825HP
Net Power - SAE J1349 768HP
Net Power - 80/1269/EEC 775HP
Net Power - ISO 9249 775HP
Bore 5.4in
Stroke 6in
Displacement 1648in³
Engine Power - ISO 14396 812HP
Net Torque 3148ft-lb
Peak Torque - Speed 1200r/min

Capacity - Dual Slope - 100% Fill Factor

+ -
Struck 42.7yd³
Heaped 2:1 (SAE) 55.5yd³

Capacity - Flat Floor - 100% Fill Factor

+ -
Struck 42.2yd³
Heaped 2:1 (SAE) 55.2yd³

Weight Distributions - Approximate

+ -
Front Axle - Empty 50%
Front Axle - Loaded 34%
Rear Axle - Empty 50%
Rear Axle - Loaded 66%


+ -
Forward - 1 6.6mile/h
Forward - 2 9.3mile/h
Forward - 3 12.6mile/h
Forward - 4 16.8mile/h
Forward - 5 22.8mile/h
Forward - 6 30.7mile/h
Forward - 7 41.6mile/h
Reverse 8.7mile/h

Final Drives

+ -
Differential Ratio 3.64:1
Planetary Ratio 4.80:1
Total Reduction Ratio 17.49:1


+ -
Brake Surface - Front 257in²
Brake Surface - Rear 9497in²
Brake Standards ISO 3450:1996

Service Refill Capacities

+ -
Fuel Tank 210gal (US)
Cooling System 45gal (US)
Differential - Final Drives 38gal (US)
Steering Tank 9.5gal (US)
Steering System - Including Tank 14gal (US)
Brake Hoist System 85gal (US)
Brake/Hoist Hydraulic Tank 46.5gal (US)
Crankcase 24gal (US)
Torque Converter - Transmission System - HRC 18gal (US)
Torque Converter - Transmission System - LRC 16gal (US)

Body Hoists

+ -
Pump Flow - High Idle 118gal/min
Relief Valve Setting - Raise 2502psi
Relief Valve Setting - Lower 500psi
Body Raise Time - High Idle 10s
Body Lower Time - Float 14s
Body Power Down - High Idle 14s


+ -
Rear axle - Oscillation 8.1°
Empty Loaded Cylinder Stroke Front 9.2in
Empty Loaded Cylinder Stroke Rear 5.8in

Weights - Approximate

+ -
Maximum Gross Vehicle Weight 246503lb


+ -
Turning Diameter - Front 77.1ft
Steering Standards SAE J1511 FEB94 ISO 5010:1992
Steer Angle 31°
Turning Circle - Clearance Diameter 85.6ft


+ -
Standard Tire 24.00R35 (E4)


+ -
ROPS/FOPS Standards Standards


+ -
Sound Standards Standards