![The 777G off-highway truck offers greater fuel efficiency and Tier 4 Final emissions certification.](https://img.forconstructionpros.com/files/base/acbm/fcp/image/2012/05/caterpillar777goffhighwaytruck_10711238.png?auto=format%2Ccompress&fit=crop&h=288&q=70&w=512)
The 777G off-highway truck offers greater fuel efficiency and Tier 4 Final emissions certification.
![516499c1](https://img.forconstructionpros.com/files/base/acbm/fcp/image/2024/05/516499c1.png?auto=format%2Ccompress&q=70&w=250)
The 777G off-highway truck produces 7% more torque than the 777F it replaces, and Cat says the new APECS transmission controls produce quick haul cycles with automotive-quality shifting. Fuel-saving strategies include configurable economy settings, as well as an adaptive economy mode that automatically optimizes fuel consumption.
- 100-short-ton (91-tonne) size class
- 363,000-lb. max gross machine weight with a 106.3-ton nominal payload
- 916-hp Cat C32 ACERT engine with Cat NOx Reduction System and two Diesel Oxidation Catalyst canisters
- Top speed (loaded) of 40.9 mph
See also: Cat 777G Off-Road Haul Truck brochure
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