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