Cummins Unveils High Output 6.7L Turbo Diesel

Cummins Inc. has released its High Output 6.7L Turbo Diesel for Ram Heavy Duty pickup trucks. This new high-output rating produces up to a peak of 800 lb-ft (1,085 N•m).

With 800 lb-ft of torque at 1600 rpm, power is increased across a wide speed range of 1200-2700 rpm. This delivers up to 46 additional hp at typical highway cruising speeds while maintaining 350 horsepower at 3000 rpm.

"The 6.7-liter Turbo Diesel's base engine is the Cummins ISB, which is used in a variety of demanding applications and can produce significantly higher ratings than what is offered in pickup trucks," said Scott Henry, Chief Engineer for the Cummins Turbo Diesel. "From an engineering perspective, our work to develop the high-output rating for the 6.7-liter Turbo Diesel was in the advanced-performance tuning. The crankshaft dampener was the only engine part that we needed to change as a result of the increased torque."

Cummins will begin producing its High Output 6.7L Turbo Diesel engines at its Columbus MidRange Engine Plant (CMEP) in the second quarter of this year. They will be available in Ram Heavy Duty pickup trucks with the automatic transmission option.

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