Proudly serving Northwest MontanaÂ
and Northern idaho
At Great Northern Truck and Auto LLC, we have 17 years of hands-on experience in the heavy diesel industry, specializing in the diagnosis, maintenance, and repair of heavy-duty trucks. Over the years, we've built a reputation on honest work, dependable service, and quality repairs that keep vehicles on the road. While my primary focus is heavy trucks, I also provide reliable repair and maintenance services for passenger cars, light duty trucks, agricultural and off road equipment as well as powersports and small engine products. Whether it's routine maintenance or complex repairs, my goal is to deliver trustworthy workmanship and exceptional customer service on every job.
What we offer

Heavy Truck Repair
For all your heavy truck repair needs from routine fleet maintenance to major repair we offer competitive prices.
We work on:
Brakes and air systems
Steering and suspension
Engine and aftertreatment systems
Electrical repair or upgrades
Transmissions and drivetrain
HVAC
Trailers and preventive maintenance


-ASE recertified master technician
-ASE advanced level specialist certification
-International Truck Diamond certified manufacturer certification
Certifications

Passenger car & light duty truck repair
There is no job too big or too small that we can't keep your car on the road.Â
We can take care of:
Brakes
Engines
Transmissions
Suspension
HVAC
Tune ups
Timing belts
Head gaskets
Stereo upgrades
Coming soon mobile tire changes!

Inspections
- Preventative maintenance inspections
- Annual DOT inspections
- CARB HD-OBD inspectionsÂ

Farm and off road equipment
Got a small tractor? We'll fix it.
Got a bigger tractor? We'll do that too.

Powersports
We'll fix your dirtbike, 4 wheeler, side by side or lawnmower too!
Contact Us
Tony Grob
Owner & Technician
​
tony@greatnortherntruck.com
417-655-1389
PHONE


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