The ISL G is available with ratings from 250 hp to 320 hp (186-239 kW) and shares a full-skirted block with Cummins ISL9 diesel engine, for greater reliability and superior durability. Cummins Westport's ISX12 G is based on Cummins ISX12 diesel and offers ratings from 320 hp to 350 hp (239-261 kW) with up to 1450 lb-ft torque (1966 Nm). Options such as engine braking and a choice of automatic or manual transmission make the ISX12 G an ideal heavy duty natural gas engine. Limited production began in April, with full production starting in August.
Both the ISX12 G and ISL G are EPA 2013 certified, and also meet the 2014 GHG and fuel efficiency standards. In addition, the ISX12 G and ISL G can operate on compressed natural gas (CNG), liquefied natural gas (LNG) or renewable natural gas (RNG), making them the natural choice for refuse natural gas vehicles.
Cummins Inc. announced its 2013 engine lineup, which is ideal for vocational applications with demanding workloads and tough-duty cycles.
Westport and Clean Energy marketing program helps companies ramp up natural gas transportation solutions
Heavy duty trucking customers seeking optimal on-board fuel storage, high-performance natural gas engines and reliable fueling can benefit.