Every Alternative.

Natural Gas Engines.

Cummins Westport ISL G Natural Gas Engine

250–320 hp 660–1,000 lb-ft torque

Fuel: CNG / LNG / Biomethane

Meets US EPA & CARB 2010
EURO V EEV Emission Standards

Features simple
Three-Way Catalyst aftertreatment

Cummins Westport (CWI) integrates robust diesel components into heavy-duty engines specifically designed for alternative fuels to offer performance, fuel economy, and quiet & clean operation. CWI's vision is to be the world's leading provider of natural gas engines that deliver the most economic solution for all bus and truck customers. Low emissions, economic benefits, reliable performance—you can depend on Cummins Westport.

Here's why interest is growing in natural gas as a vehicle fuel:

lower fuel costs reduced dependence on foreign oil reduced emissions

CWI engines are available factory direct from leading truck and bus manufacturers.

Subscribe to me on YouTube
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines
  • Powered by Cummins Westport Engines