Duramax® 6.6L Turbo-Diesel V8 engine

  • Delivers 765 lb-ft of torque and 397 hp
  • Tows up to 17,800 lbs.1

Requires the Allison® 1000 6-speed automatic transmission. Includes exhaust brake, heavy-duty dual 730 cold-cranking amp battery and engine block heater.

1 Requires fifth-wheel hitch and Regular Cab model with available Duramax 6.6L Turbo-Diesel engine. Maximum trailer weight ratings are calculated assuming a base vehicle, plus driver. See dealer for details.