Frequently Asked Questions

We offer a complete range of services for commercial trucks, trailers, buses, RVs, and heavy equipment, including diesel repair, preventive maintenance, DOT inspections, mobile truck repair, roadside assistance, fleet maintenance, hydraulic services, welding and fabrication, and more.

Yes. Our mobile service allows us to perform many repairs and maintenance services at your fleet yard, job site, farm, or roadside location whenever practical, helping reduce downtime and get your equipment back to work faster.

Absolutely. If your truck or equipment breaks down, our technicians can respond to many roadside situations, diagnose the issue, and complete repairs on-site whenever possible.

We service heavy-duty commercial trucks, trailers, buses, RVs, heavy equipment, and fleet vehicles for customers across the transportation, agriculture, construction, and municipal sectors.

Yes. We provide customized fleet maintenance programs designed to help reduce unexpected breakdowns, improve vehicle reliability, and extend the life of your equipment.

Yes. We perform commercial DOT inspections to help ensure your trucks remain safe, compliant, and ready for the road.

Yes. Our in-house parts department stocks many commonly used components, and we can typically source specialized parts within one business day when needed.

Yes. Our in-house parts department stocks many commonly used components, and we can typically source specialized parts within one business day when needed.

Yes. Buffalo City Diesel is the only shop in the Jamestown area equipped to perform flywheel grinding, allowing us to complete more repairs in-house and reduce delays.

Yes. We repair commercial trailers, including brake systems, suspension components, electrical systems, structural damage, and welding repairs.

Absolutely. We work on a variety of heavy equipment used in construction, agriculture, and other commercial industries, providing diagnostics, repairs, and preventive maintenance.

Yes. Our technicians have experience servicing and repairing both RVs and buses, helping keep them safe, reliable, and road-ready.

We're based in Jamestown, ND, and proudly serve customers throughout central and eastern North Dakota. Our mobile technicians regularly travel to surrounding communities to provide on-site repairs and roadside assistance.

Since 2007, we've built our reputation on honest service, quality workmanship, and long-term customer relationships. As Jamestown's largest heavy-duty diesel repair shop, we combine experienced technicians, mobile service, an in-house parts department, and repairs backed by a 12-month warranty.

Simply call 701-253-2844 to speak with our team. Whether you need routine maintenance, emergency repairs, mobile service, or fleet support, we'll help you schedule the service that's right for your operation.