This manual covers the Dodge RAM HD 2500 and 3500 models for the 2012 and 2013 model years, encompassing all trim levels. These heavy-duty pickup trucks are engineered for demanding work and commercial applications, offering robust construction, powerful engine options including the 6.4L HEMI V8 and the 6.7L Cummins Turbo Diesel, and segment-leading towing and hauling capabilities. Known for their durability and performance, the RAM HD series has a strong heritage in the truck market, designed to meet the rigorous needs of operators who require reliable and capable vehicles for tough jobs.

This comprehensive factory service workshop repair manual provides essential information for maintaining and repairing your Dodge RAM HD. It details procedures for all major systems, including the engine, transmission, drivetrain, suspension, brakes, steering, electrical, HVAC, body, chassis, and restraint systems. The manual includes scheduled maintenance, troubleshooting guides, step-by-step repair instructions, installation procedures, and recalibration steps. Furthermore, it offers detailed technical specifications, diagnostic tool references, and fluid requirements, making it an invaluable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their vehicle.