HEAVYWEIGHT CHAMPION
Ram 3500, 4500 and 5500 Chassis Cabs are available in a wide range of capabilities and cab configurations because when it comes to business, "one size fits all" doesn't fly. All models are built with an industry-standard seven-pin wiring harness, and 4500 and 5500 models feature Best-in-Class+ front-end tow hooks. Learn more about Towing and Payload.
Payload
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- The truck that pulls it all together.

Standard integrated exhaust brake helps to slow the vehicle and maintain control with any load. Brake control has electronic and hydraulic trailer brake capability. It is programmed through the EVIC.
- Integrated trailer brake controller

The available integrated trailer brake controller allows you to automatically or manually activate the electronic brakes on properly equipped trailers for greater stopping power on downhill grades. The controller and status display are mounted on the dashboard to the left of the steering wheel, and include a control lever that can activate the trailer brakes independent of the truck's brakes.
- Gross axle weight ratings

2012 Ram Chassis Cab trucks feature rear axles with standard limited-slip differentials that have been built for competitive load carrying capability and durability. Ram 4500 and Ram 5500 models utilize a Dana Spicer® S111 series single-drive axle that provides a higher rear GAWR. Five axle ratios are available: 3.42 (3500 only), 3.73 (3500 only), 4.10 (3500 & 4500 only), 4.44 and 4.88.
- Trailer harness connector

The seven-pin trailer harness connector, standard on all Ram Chassis Cab models, eliminates dangling wires and makes it easier to connect your trailer.

