Diesels are smelly, smoky and loud, right? Not if my advance trial of Cummins’ new 6.7-liter QSB common-rail diesel is any indication. This marine power plant offers clean, Tier 3 emissions as rated ...
Fuel is supplied from a Denso HP4 high-pressure fuel pump putting out 29,000 psi of fuel pressure, and, like the Cummins, it is fed to the injectors via a common rail. The Duramax employs a variable ...
COLUMBUS, Ind, — Cummins unveiled a new 2025 6.7-liter Turbo Diesel Pickup engine system for Ram Heavy Duty, along with its partners at Ram, on Wednesday. As part of this, Cummins and Stellantis have ...