Armed with a new 6.7-litre Cummins Turbo Diesel engine producing 650 foot-pounds of torque (881 Nm) and an available six-speed automatic transmission, the 2007 Dodge Ram 2500/3500 Box-off models combine power and strength with enhanced handling,... >>

The 2008 Dodge Ram 4500 and 5500 Chassis Cabs offer leading commercial performance with a dominant powertrain package. The standard 6.7- Cummins Turbo Diesel I6 is loaded with 305-hp and 610 lb.-ft. of torque. Also offered is a six-speed automatic... >>