Cummins Westport engines are not conversions, or retrofits. Cummins will be the leading provider of electrified power in our commercial and industrial markets just as we are the leader in diesel and natural gas powered products.

Cummins Westport Inc. designs, engineers, and markets 6 to 12 litre spark-ignited automotive natural gas engines for commercial transportation applications such as truck and buses.

Cummins Westport Inc. (CWI), a leading provider of high-performance, alternative fuel engines for the global market, announced today the production and celebration of the 10,000 th ISL G natural gas engine at the Cummins Engine Plant in Rocky Mount, N.C. (RMEP). Contact your closest Customers can also make use of Cummins QuickServe Online (QSOL).Using an engine serial number, customers can access the most current information on parts, maintenance, service and operation, as well as download manuals and other important information. Our dedicated 100% natural gas engines are manufactured by Cummins and available as a factory-direct option from leading truck and bus manufacturers (OEMs). To learn more about QSOL, or to register, If you are located outside of North America, please visit Cummins Westport engines are 100% natural gas engines for use in on-road automotive vehicle applications, such as urban transit, shuttle and school bus, and medium and heavy duty trucks. Cummins Diesel G-Drive engines help to keep the world on the move.

We do not offer products to convert a diesel engine to run on natural gas. We do not offer products to convert a diesel engine to run on natural gas.For information on Cummins natural gas engines for off-road, industrial, agricultural, or power generation applications, please visitFor information on natural gas conversion options, please visit Service, parts, training, and warranty support for Cummins Westport natural gas engines are available at any authorized Cummins service facility. Cummins Westport engines are not conversions, or retrofits. A global leader in diesel engine manufacturing for over 90 years, Cummins delivers everything from prime power to standby systems for offices, data centres, telecoms, hospitals and a huge variety of other applications worldwide. Cummins Westport Inc. designs, engineers, and markets 6 to 12 litre spark-ignited automotive natural gas engines for commercial transportation applications such as truck and buses. Cummins Westport Inc—a joint venture between Cummins Inc. and Westport Innovations Inc. — delivers high-performance alternative fuel engines for the global market.

Cummins Westport Inc. announced last week that the company has started developmental work on the ISB6.7 G, a mid-range natural gas engine (capacity 6.7 liter) which is targeted toward on-highway vehicles using low cost, clean natural gas. Our dedicated 100% natural gas engines are manufactured by Cummins and available as a factory-direct option from leading truck and bus manufacturers (OEMs). Evaluate the GHG emissions of natural gas vehicles in a variety of applicationsUse our Fuel Quality Calculator to ensure your fuel meets the required specificationWith up to 240 hp / 560 lb-ft torque, the B6.7N offers a reliable, low-emissions option for school, shuttle bus, and medium-duty truck.With 320 hp / 1,000 lb-ft torque, and near-zero emissions, the L9N is ideal for transit, refuse, and truck applications.With 400 hp / 1,450 lb-ft torque, the ISX12N offers Class 8 performance with near-zero emissions for heavy-duty truck and bus.Setting new standards for performance and reliability—near-zero emissions natural gas engines for truck and bus.Evaluate the GHG emissions of natural gas vehicles in a variety of applications. Cummins Westport engines are 100% natural gas engines for use in on-road automotive vehicle applications, such as urban transit, shuttle and school bus, and medium and heavy duty trucks.