The latest word from the Chrysler Tower of Power is that the Ram will finally be getting Cummins‘ new V8 diesel, and possibly one other diesel engine (either the Cummins V6 or the VM V6), late in 2013. These might be arriving in 2014 model-year Rams.
At this time, Nissan and the U.S. military are using the Cummins V8, which is reportedly lighter and more fuel efficient than the massive 6.7 liter straight-six used by the Ram pickup trucks (2500/3500) and chassis cabs.
We were last told that the Ram 1500 with a Cummins V8 diesel should get around 18 mpg city, 23 mpg highway, with over 250 horsepower and around 440 lb-ft of torque. The V8 redlines at over 5,000 rpm, and is quiet as a gasoline engine. The 4.2 liter Cummins V6 is said to generate 190 hp and 400 lb-ft of torque (horsepower numbers may not be as high in production models of the measured numbers are not SAE net).
The VM Motori A630 diesel engine is rated at 241 horsepower and 406 lb-ft of torque; in the Lancia Thema (Chrysler 300) sold in Europe, it not only easily outpowers the 2010 Mercedes 3.0 diesel, but also delivers 17% better fuel economy. The engine has 1800 bar injectors with MultiJet II technology (the VM Motori advertises the same engine with 2,000 bar injectors). The engine weighs less than 500 lb (without accessories).
In January 2011, Sergio Marchionne said: “Do I want a future [for diesel light duty Rams]? Do we have the technology to get it done? Absolutely, yes. Do we have the engines to get it done? Absolutely, yes.” He was unsure of whether there was a strong market, but if gasoline prices rise further, it would be a good time to have a light duty diesel.
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