DENTON, Texas -- Peterbilt has announced it will offer the natural gas Cummins Westport ISX12 G engine when it becomes available in 2013.
The engine will be rated at 400 hp with 1,450 lb.-ft. of torque and available with either a liquefied or compressed natural gas fueling system.
The engine will be spark-ignited and feature a three-way catalyst. Peterbilt says it has earned about 40% of the commercial truck natural gas market share.
It currently offers the Cummins ISL G 8.9-litre gas engine as well as Westport’s 15-litre LGN engine.