MAXIMUM DIESEL TOWING CAPACITY OF UP TO 34,540 POUNDS
GOT THE NUMBERS TO PROVE IT
The available 6.7L Cummins® Turbo Diesel I6 engine makes light work out of heavy-duty jobs with:
HITCHING AND TOWING TECHNOLOGY
TRAILER TOWING PAGES
6.7L CUMMINS® TURBO DIESEL I6 ENGINE
The Ram Chassis Cab combined with the proven 6.7L Cummins® Turbo Diesel I6 engine is renowned for its commercial‑grade durability and exceptional performance. Cummins diesel powertrains are utilized across a wide range of commercial applications, giving operators the confidence to take on demanding tasks with ease.
- Advanced Air Flow Leading to Performance Improvements
- Enhanced Cold-Start Capability
- Smart Diesel Exhaust Brake
- Robust Components
- Simple Serviceability
TORQUE LB-FT
LB (5500 MODELS)
LB (5500 MODELS)
TORQUEFLITE® HD 8-SPEED AUTOMATIC TRANSMISSION
The available 6.7L Cummins® Turbo Diesel I6 engine paired with the TorqueFlite® HD 8-speed automatic transmission is an unstoppable force, helping to provide smooth shifting, enhanced durability and optimized performance. This family of ZF Powerline Transmissions is designed for Class 3 through Baby 8 trucks, covering a wide range of medium-and heavy-duty commercial vehicle applications handling up to 43,000 GCWR. Ram Chassis Cabs offer car-like driveability with truck-grade performance. Smooth, intelligent shifting makes every mile more comfortable—launching in second gear when Tow-Haul Mode is off or unladen. Transmission Gear Ratios: 1st Gear – 4.89 8th Gear – 0.64
6.4L HEMI® V8 ENGINE
Ram Chassis Cabs and HEMI® V8 engines are known for performance and capability. This legendary 6.4L HEMI V8 engine is proven and reliable, ready to tackle nearly any task. Built for work, this engine is manufactured with robust components and is known for its low-end torque.
- Cast-Iron Block
- Aluminum Cylinder Head
- Multiple Displacement System
- Dual Alternator Option
TORQUE LB-FT
(4500 MODELS)
LB (4500/5500 MODELS)
TORQUEFLITE® 8-SPEED AUTOMATIC TRANSMISSION
The standard 6.4L HEMI® V8 engine paired with the TorqueFlite® 8-speed transmission provides that Ram truck V8 power with responsive performance for a variety of driving conditions. The ZF 8HP75 is an advanced 8-speed automatic transmission designed to deliver a blend of power, smoothness and efficiency for modern trucks and light commercial vehicles, used across a wide range of applications. It’s part of ZF’s 2nd-generation 8-speed family—known globally for reliability, quick shifting and high torque capability. Its proven architecture provides lightning-fast seamless shifts that keeps the engine in its ideal power range whether you’re accelerating onto the highway, towing a trailer or cruising in everyday traffic. Advanced software, skip-shift functionality and optimized gearsets help enable lower engine speeds, aimed at reducing fuel consumption and operating costs. Transmission Gear Ratios: 1st Gear – 4.71 8th Gear – 0.67
SNOWPLOW PREP
Put your truck to work all winter long—the Heavy Duty Snowplow Prep Group comes standard on Ram 3500 Chassis Cab models and is available on Ram 4500 and 5500 Chassis Cab truck models.
ELECTRONIC COLUMN SHIFTER
Featured on all gas and diesel configurations, an electronic column shifter makes changing gears fast and easy and takes up less console space than a mechanical shifter.