2013 RAM 3500 Big Horn Cummins 6.7L Turbo Diesel This 2013 Ram 3500 Big Horn is factory-equipped with the Cummins 6.7L inline-six turbo diesel rated at 350 horsepower and 660 lb-ft of torque. That powerplant is paired with a heavy-duty 6-speed automatic transmission and is available in single-rear-wheel or dual-rear-wheel configurations and in 4x2 or 4x4 drivetrains depending on factory ordering. Powertrain and chassis - Cummins 6.7L I6 turbo diesel engine, 350 hp / 660 lb-ft torque (factory spec). - Heavy-duty 6-speed automatic transmission with manual-shift capability. - Heavy-duty rear axle and reinforced frame components tuned for towing and hauling. - Factory towing hardware including a Class V hitch receiver on properly equipped models, pre-wired trailer connector, and available factory-installed trailer brake controller. - Heavy-duty cooling package, high-capacity alternator and battery(s) designed for commercial use and repeated heavy loads. - Robust braking system with 4-wheel disc brakes and anti-lock braking system (ABS) as standard. Exterior - Big Horn exterior trim includes a chrome-accented grille and chrome front and rear bumpers. - Power-adjustable, heated towing mirrors with integrated turn signals and available telescoping function (on towing packages). - Standard halogen headlamps and available fog lamps for improved visibility. - Steel or optional alloy wheels (size varies by axle/package) with heavy-duty tires suitable for towing and payload duties. - Functional bed with a standard stamped-steel tailgate; factory options and packages could add bed liners, bed lighting and bed tie-downs. - Tow-ready factory wiring and trailer prep provisions, including a multi-pin connector and wiring harness routing. - Available factory options include crew cab and extended cab configurations, and long- or short-bed lengths depending on the chassis selected. Interior and convenience - Big Horn trim typically features durable cloth seating with the option to upgrade to available leather; front bench or bucket seating configurations are offered depending on cab choice. - Power windows and door locks, remote keyless entry, and cruise control are standard. - Tilt and telescoping steering column, with audio and cruise controls mounted on the steering wheel. - Large center stack storage and a practical center console with cupholders and deep storage compartments designed for work use. - Manual or available power-adjustable driver's seat; fold-flat rear seats in crew cabs for additional storage. - Uconnect infotainment system with AM/FM radio, CD player and auxiliary/USB inputs; Bluetooth phone and audio streaming available on many factory-equipped radios. Satellite radio capability is available. - Air conditioning with climate controls sized to cool the cab under load; heavy-duty HVAC components are used to maintain comfort when towing. Safety and driver aids - Front airbags and available supplemental side-curtain airbags for front and rear outboard occupants. - Electronic stability control, traction control and trailer-sway control to assist with towing stability. - Hill start assist and engine exhaust braking (on diesel models) help control heavy loads on grades. - Tire pressure monitoring system (TPMS) and rearview mirrors optimized for trailer visibility. - Standard factory security and alarm provisions. Cargo and capability features - Heavy-duty suspension with reinforced rear leaf springs and front suspension components tuned for load carrying. Depending on the configuration, factory suspension packages can include upgraded springs or helper springs. - Factory-installed payload- and towing-oriented instrumentation, including oil pressure, coolant temperature and transmission temperature monitoring; diesel-specific gauges and available towing information on the instrument cluster. - Multiple cab and bed combinations from the factory to balance passenger capacity and cargo vers