About MDI Trucks Northern Colorado
MDI Trucks Northern Colorado provides mobile diesel service, bringing Cummins-certified repair and maintenance directly to your equipment at your location. Based in Longmont, Colorado, the shop serves owner-operators, fleet managers, and equipment owners across the northern Front Range corridor, including Frederick, Berthoud, Johnstown, Dacono, and Erie. Within a 15-mile service radius, the business handles DPF cleaning, Cummins work, and general diesel repair on trucks and heavy-duty equipment without requiring you to haul your rig to a bay. Call (970) 535-4550 for mobile service.
Gallery
Our Services
Mobile Service
Cummins Certified
DPF Cleaning
Diesel Specialist
Customer Reviews
V
Verified Customer
Google Review
Amazing honest and quick service thanks to Allen and his team, highly recommended!! Even though I live in Hawaii and need extensive work done on a truck I purchased Allen treated me as I was his only customer and as if I was his neighbor, I'll definitely use them again.🤙🏼 ...
V
Verified Customer
Google Review
Special thanks to Sam n Allen in the service department, for the excellent customer support, and service, also to the welder for his great workmanship and craftsmanship. Overall service exceeded my expectation and I am grateful to have found this place, keep up the great work guys, thanks again.
V
Verified Customer
Google Review
Great staff very knowledgeable and helpful. Diagnosed the issue with my truck in no time. Wish they could if got me in sooner but hey don't we all.