The 8.9-liter Cummins Westport ISL G Near Zero emissions natural gas engine is available for order on Kenworth T680 on-highway and T880 and T880S vocational trucks.
- Rated at 320 hp and 1,000 lbs.-ft. of torque
- Uses advanced calibration, a maintenance-free, three-way catalyst aftertreatment system and a closed crankcase ventilation system
- Operates on 100% natural gas carried in compressed natural gas (CNG) or liquefied natural gas (LNG) form
- Meets the 2017 EPA greenhouse gas (GHG) emission requirements
- Compatible with renewable natural gas (RNG), which can provide further reductions in GHG emissions