From power loss to suspension trouble, mechanical issues can sideline a bus fast. Our expert bus repair services combine diagnostics, repairs, and inspections to restore performance and keep your fleet safe and compliant.

Bus Repair Shop in Dubuque, IA
Our bus repair shop is built to minimize that downtime with fast, accurate, and compliant service. Whether you’re a school district, transit agency, or private fleet operator, we keep your buses moving.
Our team are trained to work on all types of commercial and passenger buses. We handle:
- Engine diagnostics and commercial diesel engine repair
- Electrical system repair for buses
- Brake and suspension inspection and service
- Cooling system repairs and radiator replacements
- Transmission diagnostics and repairs
- Battery, starter, and alternator issues
- Exhaust and emissions component service
We also use advanced bus diagnostic tools and bus diagnostic scanners to pinpoint issues before they turn into failures. Whether you’re running one vehicle or an entire fleet, we make it easy to stay safe, compliant, and on schedule.
Experience the Guys Truck and Tractor Difference!
We treat every bus like it’s carrying a full load of passengers. Precision repairs and reliable service are non-negotiable.
Two Fully Equipped Locations: Whether you stop by our Kieler, WI, or Galena, IL, shop, you’ll find bays, lifts, and technicians ready to work on buses of all sizes.
22 Service Bays: High-capacity service means no long lines. We’re built to handle fleet work and large-volume repairs efficiently.
Nearly 40 Years of Experience: Since 1977, we’ve built a reputation for reliable, quick-turnaround repairs that transit systems and private companies trust.
Workmanship and Parts Warranties: Every bus repair includes a 6-month workmanship warranty and OEM-backed parts coverage.
Contact Us About Bus Repair Now: Call 608-568-3257!
The safety of your passengers should always be your number one priority, so if your bus needs immediate service, diagnostics, or routine repairs, don’t wait! Just call 608-568-3257 now to schedule your bus repair, and we'll keep your routes running safely and on time.
FAQs
What Areas Do You Serve For Bus Repair?
****Kieler, WI Location: 3405 County Road HHH, Kieler, WI 53812 – Call us at 608-568-3257****
We proudly serve: Dubuque, IA; Platteville, WI; Monroe, WI; Freeport, IL; Madison, WI; Waunakee, WI; Middleton, WI; Fitchburg, WI; Hazel Green, WI; Dickeyville, WI; Cuba City, WI; and Benton, WI.
****Galena, IL Location: 11521 AJ Harle Dr, Galena, IL – Call us at 815-777-3257****
We offer our services in the following areas: Dubuque, IA; Freeport, IL; Clinton, IA; Sterling, IL; Rock Falls, IL; Moline, IL; Rock Island, IL; Platteville, WI; Monroe, WI; East Dubuque, IL; Hazel Green, WI; Stockton, IL; Elizabeth, IL; Apple River, IL; Hanover, IL; and Warren, IL.
Do You Work on School and Charter Buses?
Yes, we work on school and charter buses with diesel engines. Services include engine repair, transmission work, brake service, suspension, HVAC, and preventive maintenance. Our technicians ensure buses meet safety standards and operate reliably for both daily routes and long-distance travel.
Can You Handle Fleet-Wide Diagnostics?
Yes, we handle fleet-wide diagnostics for heavy-duty diesel vehicles. Our services include scanning for fault codes, performance monitoring, emissions checks, and system evaluations across multiple units. This helps identify trends, prevent breakdowns, and maintain efficiency and compliance across your entire fleet.
How Can I Get Bus Repair?
Call 608-568-3257 today to book your bus service inspection. We’ll check every system, document results, and make sure your vehicles are in perfect condition to keep your passengers and reputation safe.
Our Heavy-Duty Diesel Mechanic Services
Keep your fleet running strong in Dubuque, IA with our full lineup of heavy-duty services. We handle preventive maintenance, DOT inspections, mobile truck repair, welding, towing, hydraulics, and fleet programs—everything you need to stay on schedule and avoid breakdowns.
Testimonials
Here's what our customers are saying, feel free to leave us a review!
Edward Toma


