Comprehensive Detroit Diesel Warranty

Know You’re Backed by the Best

We are dedicated to providing the highest quality and performance — that's why we back every engine, transmission, and axle we make with a standard, comprehensive Detroit Diesel warranty that's as rugged as our engines.

Get even more from your warranty by adding special extended coverage options available through your dealer or distributor. All Detroit Diesel warranties are transferrable and travel to each future owner. Find a dealer or distributor »

Detroit Diesel Genuine Parts Warranty Features:

  • New Service Replacement Parts: 6 months, unlimited miles
  • reliabilt® remanufactured service replacement parts: 12 months, unlimited miles

Download reliabilt warranty information

DD15™

  • Engine: 2 years, unlimited miles, including 100% parts and labor
  • Injectors: 2 years, 200,000 miles, including parts and labor
  • Major components: 5 years, 500,000 miles
    No charge on parts
    100% of Service outlet's normal charge

DD15 warranty information

Series 60®

  • Engine: 2 years, unlimited miles, including 100% parts and labor
  • Accessories (if supplied by Detroit Diesel): 2 years, 500,000 miles, including parts and labor
  • Major components: 5 years, 500,000 miles
    No charge on parts
    100% of Service outlet's normal charge

Series 60 warranty information

MBE 4000

  • Engine: 2 years, unlimited miles, including 100% parts and labor
  • Accessories (if supplied by Detroit Diesel): 2 years, 100,000 miles, including parts and labor
  • Major components: 5 years, 500,000 miles
    No charge on parts
    100% of Service outlet's normal charge

MBE 4000 warranty information

MBE 900

  • Engine: 3 years, 150,000 miles, including 100% parts and labor for Delivery Trucks, or 5 years, unlimited miles, including 100% parts and labor for School Buses and Motor Homes or 5 years, 150,000 miles, including 100% parts and labor for Fire Trucks or Rescue Vehicles
  • Accessories (if supplied by Detroit Diesel): 2 years, 100,000 miles, including parts and labor

MBE 900 warranty information