When a Holset variable-geometry turbocharger (VGT) came as standard equipment on the 6.7L Cummins engine for the '071/2 model year, it was a major eye-opener. Thanks to its capability of varying the ...

The Ram truck brand's new heavy-duty truck line is reportedly getting a new turbo diesel. According to an insider who spoke to Lightning and Holman on The Truck Show Podcast, we're in for a new head ...

If you had no choice but to replace a factory component on your truck that failed prematurely, would you opt for an OEM replacement that’s likely to meet the same, untimely fate, or would you spring ...

Cummins Inc's new ISC and ISL engines now will deliver increased performance and enhanced reliability to the medium-duty and vocational truck markets. These engines feature a new High-Pressure ...

The enhanced Cummins ISL engine is now available for order on Kenworth trucks and is expected to be popular with KW’s short hood T800 and W900S models. Kenworth Truck Co. is offering the 8.9-liter, ...

All the hand wringing over recirculating exhaust gas through a truck engine's intake to meet October 1 emissions limits may have obscured the advantages of the variable-geometry turbochargers ...

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 Cummins Inc has a new rating for its 11-liter ISM ...

Cummins Inc. on Friday, Nov. 16, announced its technology path to meet stringent U.S. Environmental Protection Agency Tier 4 Interim and European Stage IIIB mobile off-highway emissions standards ...

With hydrogen's lower density compared to gasoline, hydrogen engines can benefit greatly from forced induction. Hydrogen-powered vehicles are already here. Internal combustion hydrogen engines are ...

Cummins Inc. has introduced its next-generation ISC and ISL engines that it said will deliver increased performance and enhanced reliability to its medium-duty and vocational truck customers. Cummins ...