Duramax® 6.6L V8 Turbo Diesel engine

  • 525 lb-ft of torque at 1600 rpm
  • 260 hp at 3100 rpm
  • B20 Bio-Diesel capability
  • 3.73 rear axle ratio
  • Heavy-duty transmission
  • Dual 770 cold-cranking amp batteries
  • Engine oil cooler

With 3500 models and 9900 lbs. GVWR or 10,100 lbs. GVWR requires 3.54 rear axle ratio. Included with Ambulance Package.