Cummins has a smaller fleet of Reliability, Assurance and Problem Identification (RAPId) test trucks for validating updates a step or two ahead of the field test units.

Cummins Inc has a new rating for its 11-liter ISM engine. A new ISM 425V vocational rating, with 425 horsepower and 1,550-ft-lb peak torque, has been released for severe-service markets. It will ...

CUMMINS Inc announced at the Mid-America Trucking Show the 2007 ratings for its heavy-duty ISX and ISM engines. With over 30 billion miles of proven cooled-EGR experience, the 2007 ISX and ISM ...