Powertrain Details Engine V8 7.3L Turbo Diesel Horsepower 235 @ 2700 RPM Torque 500 @ 1600 RPM Gas Mileage - Bore x Stroke 4.11 x 4.18 Compression Ratio 17.5 Fuel Type Turbo Diesel Fuel Induction Electronic Fuel Induction Valve Train Overhead Valve Valves Per Cylinder 2 Total Number Valves 16 Transmission Automatic Drivetrain 4WD Transfer Case Electronic Shift-on-the-Fly sb - extnd cab - 141.8 - 227.0 - 80.0 Dimensions & Capacity Details Fuel Capacity 38.0 Wheel Base 141.8 inches Overall Length 227.0 inches Width 80.0 inches Height 76.6 inches Curb Weight 5260 lbs. Tires / Wheel Size LT235/85R16 Rear Tires / Wheel Size - Turning Radius - Standard Axle Ratio 4.10 Maximum Ground Clearance 8.1 Maximum GVWR 8800 Maximum Towing 14300 Payload Base Capacity 2530 Head Room: Front 41.4 inches Head Room: Rear 38.5 inches Leg Room: Front 40.7 inches Leg Room: Rear 32.4 inches Shoulder Rm: Front 68.0 inches Shoulder Rm: Rear 68.0 inches EPA Passenger 115.4 cu.ft.