Cummins Westport today announced that the ISB6.7 G, a 6.7-liter midrange, factory built natural gas engine is now fully available as a production engine for shuttle bus, medium duty truck, and ...

Cummins Westport Inc has begun development on the ISB6.7 G, a mid-range 6.7-liter natural gas engine designed to meet the increasing demand for on-highway vehicles powered by lower cost, cleaner and ...

INDIANAPOLIS. When it comes to midrange diesel engines, the focus at Cummins Inc. is how to keep bringing the “best of both worlds” together, according to Jeff Caldwell, the company’s executive ...

Cummins unveiled late Tuesday, March 1 the 2017 iterations of its medium-duty workhorses, the 2017 B6.7 diesel engine and the slightly larger the L9. The introduction of the new engines came at the ...

In the world of semi-trucks, the engine under the hood often matters a whole lot more than the badge on the grill. In fact, most trucks across America are powered by one of just four engine ...