About Us

We're Not Your Daddy's Diesel Engine Repair Service
See why Montana and Wyoming residents have trusted G&J Diesel for over 30 Years!!!
Driving the kids to soccer practice, hauling farm equipment or drag racing-it doesn't matter how you use your truck. As long as you've got a trusted diesel engine repair service behind you, you can keep your truck running for years to come. G & J Diesel Sales & Service, Inc. has you covered.

As a diesel engine repair service based in Billings, MT, we know the value of customer service. We'll go above and beyond to take care of everything under the hood.

Stop by our diesel truck shop today.