About Rocky Mountain Diesel and Auto
Rocky Mountain Diesel and Auto handles diesel engine repair in Greeley, Colorado. Located at 150 E 18th St, the shop performs diagnostic and repair work on diesel engines, addressing issues from performance loss to mechanical failures. The operator serves customers across the northern Colorado region, including Windsor, Johnstown, Loveland, Fort Collins, and Longmont. Whether a diesel needs troubleshooting, component replacement, or engine overhaul, the business focuses on getting the work done right. Call (970) 356-2672 for diesel engine repair service.
Gallery

Our Services
Diesel Engine Repair
Diesel Specialist
Customer Reviews
V
Verified Customer
Google Review
Mondo and his team were great! Fast service good communication and great price! We will definitely continue to use them in the future!
V
Verified Customer
Google Review
Went there to get an emission test on my wife's car, unfortunately they were not able to do it at this time. Their new system wasn't ready but is supposed to be available in a few weeks. The counter guy was very helpful and let me know ...
V
Verified Customer
Google Review
Dropped my Duramax off for a fix nobody could figure out. The guys at Rocky Mountain found the issue and had me back on the road quick. Mando was straight to the point and honest about my issues and future service to expect. Other shops ...