6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2013 GMC Sierra 3500HD Crew Cab 4x4 Utility Truck
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2013 GMC Sierra 3500HD SLE Crew Cab 4x4
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2013 GMC Sierra 3500HD SLE Crew Cab 4x4 Dually Chassis
6.6 Liter OHV 32-Valve Duramax Turbo-Diesel V8 Engine on the 2013 GMC Sierra 3500HD SLT Crew Cab 4x4 Dually