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Cummins builds 2-millionth diesel for Ram

Ahead of a new Ram Heavy Duty that will debut sometime next year (check out the spy shots below), Chrysler and Cummins are celebrating a milestone in a 24-year partnership that has supplied the Ram pickup with diesel engines.
In its early years, the Cummins straight-six turbo diesel was rated at just 160 horsepower and 400 pound-feet of torque, and its clattering 12 valves could be heard from a mile away. Its most recent configuration still uses a straight-six layout, but displacement grew to 6.7 liters in 2007 allowing the engine to now produce up to 385 hp and a whopping 850 lb-ft of torque. While a rumored smaller Cummins engine for use in the light-duty Ram 1500 never materialized, the work-ready 6.7-liter Cummins turbo diesel accounts for 80 percent of all Ram HD sales.
Chrysler has not yet announced when and where this two-millionth engine will be on display, but you can read more about the engine and the partnership in the press release below.

Ram 1500 EcoDiesel HFE ekes out another mpg, creeps toward 30

The idea of a fullsize pickup knocking on 30-miles-per-gallon highway was impressive last year when Ram announced its 28-mpg figure for the Ram 1500 EcoDiesel. For 2015, the company has figured out how to nudge that number up slightly higher for a new HFE version of the diesel model. The mileage tops the segment and beats the nearest competitor by 12 percent, according to the truckmaker. The 1500 EcoDiesel HFE bumps up the standard version's economy numbers by one mpg across the board for an impressive EPA rating of 29 mpg highway, 21 mpg city and 24 mpg combined. The special model is based around the Quad Cab body with rear-wheel drive and a six-foot, four-inch bed and mixes features from the Trademan and Express trims, including optional body-color bumpers. The right combination of 20-inch wheels, side steps and a tri-fold tonneau cover provides the formula to improve the aerodynamics and increase mileage. Mechanically, the truck has been left alone with the 3.0-liter diesel V6 still making 240 horsepower and 420 pound-feet of torque and routing through an eight-speed automatic gearbox. Like gasoline, diesel fuel prices have been on the decline in recent weeks, though the fuel still runs significantly more per gallon than gas. It's intriguing to see Ram going after buyers who hope to eke the best economy from their trucks. The EcoDiesel HFE will go on sale late in the first quarter of 2015, and brand spokesperson Nick Cappa tells Autoblog pricing will be announced soon. Check out a video of Ram CEO Robert Hegbloom unveiling the this fuel-sipping pickup at the 2015 Detroit Auto Show and read the official announcement below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Ram Has "Turned Up the Eco" on Fullsize Truck MPGs ... to 29 Ram 1500 EcoDiesel HFE increases highway MPG rating to 29 EcoDiesel tops next nearest competitor by 12 percent 21 MPG City and 24 MPG Combined are highest EPA ratings for any pickup EcoDiesel HFE will be first diesel powertrain offered in Ram 1500 Express model January 13, 2015 , Auburn Hills, Mich. - The Ram Truck brand today announced that it will add a new, more fuel-efficient model to its half-ton truck lineup and further extend its claim on the industry's highest fuel efficiency rating. The 2015 Ram 1500 EcoDiesel HFE will deliver the highest fuel economy among all fullsize truck competitors -- 12 percent higher than the next-closest competitor.

Ram/Jeep Ecodiesel engine has Maserati roots

The 3.0L turbodiesel V6 in the 2014 Ram 1500 EcoDiesel earned a slot on Ward's Automotive 2014 10 Best Engines for its power, fuel economy and refinement. In a piece looking at how Fiat subsidiary VM Motor developed the engine, Ward's also makes note of the fact that the same lump goes in diesel versions of the Maserati Quattroporte and Ghibli. They're tuned a bit differently, naturally, with the QP putting out 275 horsepower and 442 pound-feet of torque, the smaller, lighter Ghibli making do with the same number of horses but a lower torque output of 420 lb-ft.
The 240 horsepower and 420 pound-feet put out by the oil-burning six-cylinder in the Ram was tamed with a host of advances, but it appears that Ram hasn't tamed demand: the initial allocation of 8,000 engines was spoken for within three days of the truck going on sale. Head over to Ward's to read the story of how Ram worked out the equation light-duty-pickup + diesel = success.