Diesel engine specialist Cummins has announced a multi-year extension of its engine supply agreement with Chrysler Group under which it supplies 6.7-litre turbodiesel engines for the Dodge Ram Heavy Duty pickups and chassis cabs.
Cummins has produced around 1.7m engines for these Ram models since 1989 and over 80% of heavy duty truck buyers order the turbodiesel.
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The first Cummins engine was offered in the 1989 Dodge Ram, with projected sales of less than 5,000 engines but actual sales exceeded 20,000 engines.
The original engine was a 160hp 5.9 litre unit while the current engine gets 350hp from 6.7 litres. That 118% increase in horsepower and an 86% increase in torque have been achieved while also reducing exhaust emissions by 90% – 2007 models met Environmental Protection Agency (EPA) 2010 emissions levels three years in advance.
“Cummins and Chrysler have a long and important history together,” said Dave Crompton, VP and general manager, midrange engine business. “The Chrysler business continues to be a key part of our MidRange engine business.”
