Engine, Duramax 6.6L Turbo Diesel V8, B20-Diesel compatible

Duramax® 6.6L Turbo Diesel V8 engine

The available Duramax® 6.6L Turbo Diesel V8 engine includes the following equipment:

  • B20-Diesel compatible
  • Allison® 1000 6-speed automatic transmission
  • 3.73 gear ratio
  • Exhaust brake
  • Engine block heater
  • Capped fuel fill

Requires available Duramax® Plus Package on Crew Cab SLT models. All SLT models require 6" rectangular chrome tubular assist steps.