The Dodge Ram Heavy Duty is the first to market, and it�s already ahead of the game. When Ford and GM�s all-new heavy-dutys come out, both new diesel engines are going to require urea injection to meet emissions requirements that take effect January 2010. The Ram Heavy Duty�s Cummins inline-six turbodiesel, which puts out an impressive 350 horsepower and 650 pound-feet of torque, met those requirements � without urea � over a year ago.
The Ram 2500 and 3500 use a NOx adsorber with precious metals that convert the NOx into inert gases. Not only does this mean the Ram�s emissions and exhaust systems are less complex than those in the upcoming Ford Super Duty and Silverado/Sierra HD (which could improve reliability and help keep maintenance costs down), it also means that, at the dealership, the Ram will very likely have a price advantage over its competitors.
And while in this size category diesel is king, there are plenty of heavy-duty truck buyers who prefer gas power. The 5.7-liter Hemi, the Ram�s base engine, has the most horsepower (383) and torque (400 pound-feet) of any V-8 in its class � and only the Ford Super Duty�s V-10 has more torque than the Hemi, but it still has less horsepower.
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