Engines & Products

Diesel Engines, Transmissions & More in Northern Colorado

At Rocky Mountain Diesel & Auto, if your diesel or gas engine fails or transmission starts giving you trouble, we are here to help. As an authorized Jasper dealer, we can repair your vehicle for significantly less than a new truck or motor cost. Our shop in Greeley, CO, can have you up and running quickly and at an affordable price.

Jasper Engines & Transmissions

Every Jasper engine has been completely disassembled and thoroughly cleaned before being re-manufactured. This attention to detail ensures your motor is free from contaminants that can lead to early engine failure. Every part we sell is thoroughly inspected for imperfections.

Quality Guaranteed

Jasper backs its quality engines and transmission with a limited nationwide warranty. You can buy with confidence, knowing that your components are warranted against defects in workmanship and material. For more information about Jasper’s warranties, click HERE

Hitches

Rocky Mountain Diesel Services offers a range of locally produced hitches. These are extremely affordable and versatile, so that they can be installed on most vehicles. Our most popular hitches include:

Rocky Mountain Diesel Services in Greeley, CO, is an authorized Jasper dealer. We sell engines, transmissions, and more. Give us a call at 970-356- 2672.

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