The RAM EcoDiesel engine is a small 3.0 liter turbocharged V6 engine that pumps out 420 lb-ft of torque (way more than the 3.6l Pentastar V6, and 10 more than even the HEMI V8) at a low 2000 RPM. The DOHC 24-valve engine uses aluminum heads on an iron block. An 8-speed TorqueFlite transmission helps the truck make do with 240 HP, which seems low, but isn't bad for a small diesel engine. Diesels are typically heavy, but trucks equipped with the EcoDiesel shouldn't be much heavier than those with HEMIs, contributing to its best in class 28 MPG highway fuel economy rating (significantly better than the HEMI's 22 MPG and even the Pentastar's 25 MPG). The engine uses a variable-geometry turbocharger to reduce turbo lag, and has a towing capacity of 9,200 lbs, a bit less than some of the HEMI models, but still a more than decent amount. Many consumers have expressed interest in a light-duty truck with a small diesel engine, and the EcoDiesel should fill this niche perfectly. The engine is made in Italy by VM Motori, a company jointly owned by Fiat and General Motors.
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