Powertrain Options Ensure Powerhouse Performance
Dominant commercial performance is assured with the 2008 Dodge Ram 4500 and 5500 Chassis Cabs as commercial customer specialty needs are met with superior capability, durability and performance.
“Delivering premium commercial performance, capability and durability, the all-new 2008 Dodge Ram 4500 and 5500 Chassis Cabs offer the segment’s most potent powertrain combinations in work trucks that get the job done,” said Mike Donoughe, Vice President – Body-on-frame Product Team.
Maintaining its reign at the top of the heavy-duty diesel pickup segment, the standard Cummins engine generates 305 horsepower at 3,000 rpm and 610 lb.-ft. of torque at 1,600 rpm. The legendary engine also delivers superior fuel economy while ensuring durability and low cost of ownership for the commercial customer.
Providing superior trailer towing, acceleration, throttle response and drivability, the 6.7-liter engine is not only more powerful, it's also cleaner with B5 biodiesel compatibility and a reduction in particulates and nitrogen oxide (NOx) that comply with the 50-state 2007 heavy-duty emission standards. As durable as it is powerful, the Cummins 6.7-liter turbo-diesel engine also has life-to-major overhaul intervals of 350,000 miles.
Completing the dynamic powertrain package, the all-new 2008 Dodge Ram 4500 and 5500 Chassis Cabs offer a six-speed automatic transmission with Power Take Off (PTO) capability or a six-speed manual transmission with PTO capability. An available electronic-shift transfer case is offered and a factory-installed exhaust brake contributes to both safety and superior brake life.
“Job Rated” Commercial-grade Chassis with Superior Suspension System
The Dodge Ram 4500 and 5500 Chassis Cabs lineup of 4x2, 4x4, dual-rear-wheel, regular and Quad Cab models are “Job-rated,” meaning they are designed, engineered, tested and built to meet the rigid standards of commercial truck buyers.
Armed with Dodge Ram Heavy Duty’s superior suspension system, beefed up even more for commercial applications, Dodge Ram 4500 and 5500 Chassis Cabs provide expanded capability and durability with a commercial-grade chassis mated to a one-piece C-channel rear-frame rail (50,000 psi steel).
Two-wheel-drive and four-wheel-drive models feature a recirculating ball system that provides precise response and an on-center steering feel through lower internal friction. Improved power steering lines contribute to the delivery of precise feel and response for better handling. Featuring solid-beam front and rear axles, and a five-link, coil-spring front suspension with beam axle, a front and rear link-type sway bar and heavy-duty tubular shock absorbers are standard.
The rear suspension on two- and four-wheel-drive models is equipped with leaf springs and includes standard two-stage springs as part of the spring design for greater load-carrying capability.
Four cab-axle lengths (60, 84, 108 and 120 inches) are available. Maximum Gross Vehicle Weight Rating (GVWR) for 4500 models is 16,500. For 5500 models, the maximum GVWR is 19,500 lbs. The Gross Combined Weight Rating (GCWR) for both 4500 and 5500 models is 26,000 lbs.
The standard diesel exhaust brake system, together with class-leading brakes and pistons, provides extended brake life and increased driver control while contributing to enhanced safety performance. Standard four-wheel disc brakes with anti-lock braking system (ABS) ensure superior safety and crash-avoidance capability.