Mobile Mechanic Providing Service in Missoula, Montana & Surrounding Areas

Northwestern Repair offers on-site mobile diesel repair and fleet maintenance in Missoula, Montana and the surrounding areas.

Take advantage of the convenience offered by a mobile diesel mechanic by hiring Northwestern Repair for all your diesel maintenance and repair needs. Just park your trucks where you usually do, and we’ll come fix them.

At Northwestern Repair we understand how important it is to keep your vehicles productive and working.  Proper preventative maintenance will reduce emergency repairs and the amount of downtime.  Let us focus on  your diesel repair and fleet maintenance so you can focus on running your business.

We will provide you with knowledgeable and quality diagnosis, repair, and preventative maintenance for your fleet. We offer on-site service for diesel trucks, semi-trucks, RV motor homes, forklifts and heavy equipment.


  • On-Site Service & Repair
  • DOT Inspections
  • Preventative Diesel Repair and Maintenance
  • Fleet Maintenance
  • Comprehensive Engine Repair
  • Electrical Diagnosis and Repair
  • Transmission Service & Repair
  • Drive Train
  • Clutches
  • Air Brakes & Hydraulic Brakes
  • Suspension
  • Heating and Air Conditioning Maintenance and Repair
  • Welding & Fabrication
  • Forklift Repair and Maintenance

Call us today at (406)241-1674 for your estimate.

We accept all major credit cards.

Licensed and insured.