COLUMBUS, Ind. (May 14) — Increased customer demand has led Cummins Engine Co. to boost production of its venerable N14 diesel engine by 30% in the last six months, and it¹s set to increase another 20 ...

Kenworth is now offering two special Cummins N14 engine ratings available for immediate delivery. The two ratings include increased horsepower to 475 at 2,100 rpm with torque limits of 1650 and 1750 ...