418 N. Saginaw | Holly, Michigan 48442
Welcome to:
United Industrial
Diesel & Parts
The very best
Diesel Engine Rebuilders
Diesel Engine Rebuilders
Full Service

New and Used Parts Dealer

United Industrial Diesel is an authorized dealer of new and used parts for almost every major manufacturer. Contact us today! 

United Industrial Diesel & Parts

With decades of proven experience, United Industrial Diesel & Parts is the best choice for your next rebuilt engine. Treat your engines right.

  • Cummins & Caterpillar United Diesel overhauls most Cummins and Caterpillar engines and we carry a large selection of used parts and engine cores.
  • We can Rebuild it! We Rebuild Engines all major engine brands, large or small. Applications include Industrial, Oil & Gas, Construction, Agriculture, Commercial, Marine, Specialty Over-the-Road Transport, Off-Road, Custom Rebuild Work, and more.
  • Off Road Equipment We also stock or rebuild any make or model of off-road Transmission, Converter, Final Drive, or Steering Clutch. Just let us know what you need


United’s Rebuilt Engines are:

  • Remanufactured to factory specifications or better.
  • Painted
  • Decals applied
  • Off-road engines come with a One Year Unlimited Hour Worldwide Warranty.
  • Over the road engines come with a 15 Month Unlimited Miles Worldwide Warranty.

All New Engines Include:

  • The Manufacturer’s Warranty.

All Used Running Engines are:

  • Painted
  • Decals applied
  • Guaranteed to run properly upon installation.

Contact Us

bestPriceWe will Meet or Beat all Manufacturer’s Prices!

Caterpillar – Cummins – Detroit Diesel – Perkins – Deutz – Wartsilla – International – Komatsu – Mack – Murphy – Volvo – Mercedes – Murphy – John Deere – Isuzu – and more,  engines of all major manufacturers

United Industrial Diesel & Parts
– Call Today – 

248.328.1028