Home Ram 3500 6.7L Cummins® Turbo Diesel
6.7-liter CumminsTurbo Diesel Engine

"a legend among diesels, tough-as-nails, and willing to work overtime!"


6.7 litre Cummins Turbo Diesel EngineThe 6.7-liter Cummins Turbo Diesel engine replaces its 5.9-liter predecessor and provides superior trailer towing, acceleration, throttle response and driveability.

The high-performance 408-cubic-inch inline-six intercooled turbo-diesel is clean and quiet, and meets all 2007 U.S. federal and state emission requirements.

Other feature enhancements are improved combustion, integrated braking, and improved integration of engine and vehicle systems for optimal fuel economy.

 

Facts about the 6.7-liter Cummins® Turbo Diesel Engine

Strongest

  • Cummins Turbo Diesel engine was placed on a stand and the truck was built around it, not merely dropped into an existing frame
  • integrated exhaust brake utilizes the engine's turbocharger, transforming horsepower into braking power, providing stopping safety and confidence when hauling heavy loads on downhill grades
  • nearly 40 percent of the 6.7-liter Cummins Turbo Diesel engine parts are carryovers from the 5.9 liter with modifications
  • the inline 6 cylinder Turbo Diesel has fewer parts than V-8 engines, which translates into fewer opportunities for things to go wrong
  • thoroughly tested through every stage of development for over eight million customer-equivalent miles
  • this engine is rated with 350 horsepower at just 3013 rpm (3500 box-on models)
  • achieves a peak torque of 650 lb-ft at 1500 rpm for automatic transmission
  • applications include: Dodge Ram, heavy duty trucks, medium duty trucks, motorhomes, buses, mining, agriculture, oil and gas, rail, marine, and defense, to name a few

Cleanest

  • features a high-efficiency electronic fuel injection for optimum fuel economy and performance with emission control that meets stringent federal emissions regulations: 90 percent reduction in particulate matter and 50 percent reduction in NOx
  • Cummins Turbo Diesel has met the more stringent 2010 EPA NOx standard a full three years ahead of the requirements

Quietest

  • 6.7-liter engine incorporates several features that contribute to a 50 percent quieter engine providing owners with the quietest engine in the heavy-duty diesel pickup truck market
  • new engine mounts, a constrained-layered oil pan, intake silencer and engine-block shield create a quiet cabin environment

 


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