The 2014 Ram Heavy Duty offers a 6.4-liter HEMI gasoline V-8 Engine that delivers 410 hp (306 kW) at 5,600 rpm and 429 lbs.-ft. of torque (582 N•m) at 4,000 rpm, and features VVT with Fuel Saver cylinder deactivation.
- Two gas-powered options plus manual and automatic transmission-equipped diesel powertrains
- Factory rear air suspension for 2500 models and factory supplemental air suspension system for 3500 models
- Integrated gooseneck/fifth-wheel capability for 2500 models
- Factory-installed compressed natural gas (CNG) system available
- 440-amp dual alternators