Kenworth Truck Co. is showing off its T680 natural gas trucks this week at ACT Expo 2014, in Long Beach, CA.

“The new natural gas-powered Kenworth T680 offers fuel-saving aerodynamics and cost-efficient natural gas to provide excellent operating cost benefits for truck operators in various applications,” said Alan Fennimore, Kenworth vocational marketing manager. The T680 with the Cummins Westport ISX12 G natural gas engine will be available later this year.

Kenworth’s T680 is a CNG-powered, 52-in. with the factory-installed Cummins Westport ISX12 G natural gas engine rated up to 400 hp. and 1,450 lbs.-ft. of torque. The T680 day cab also will be available with natural gas, while the T680 is offered with diesel power in day cab, 52-in. mid-roof sleeper and 76-in. sleeper configurations.

Kenworth is also showing a T660 extended day cab and a short hood (116.5-in. BBC) Kenworth T800 roll on/roll off, both in CNG configuration with the Cummins Westport ISX12 G engine. A pickup and delivery CNG-powered Kenworth T440 with the 8.9L Cummins Westport ISL G engine is also being shown.