Heavy Duty Diesel Mechanic Services in Dubuque, IA

Full-Scale Heavy-Duty Truck Services in Dubuque, IA
Our services are designed around one thing: keeping you moving. Whether it’s routine maintenance, mobile repair, or emergency roadside assistance, we’ve got the tools, the team, and the turnaround time to make it happen, without the wait.
Here’s what we offer:
Preventive Maintenance & Inspections
DOT Inspections: Certified, comprehensive, and compliant
Express Lube Services: Fast oil, filter, and fluid changes
Scheduled Maintenance Programs: Customized PM plans to reduce unexpected downtime
Mobile & Emergency Services
Mobile Truck Repair: Our team comes to you for on-location service
Roadside Assistance (24/7): Battery jumps, tire changes, fuel delivery, and more
Towing (24/7): Heavy-duty towing and recovery anytime, anywhere
Fabrication & Specialty Work
Welding & Fabrication: Frame mods, brackets, mounts, and custom fixes
Hydraulics Services: Repairs and custom work, including Hydracom components
Hi-Rail Equipment Services: Track gear inspections, maintenance, and upgrades
Fleet Services: Centralized maintenance and repair for your entire fleet
Trailer Services: Electrical, brakes, tires, welding, and structural work
Bus and RV Services: Mechanical services for commercial buses and recreational vehicles
Why Choose Guys Truck and Tractor?
Two Locations, Zero Hassles: With 22 bays split across Kieler, WI, and Galena, IL, we’ve got the space and staffing to get your service done fast and right.
40+ Years of Experience: Since 1977, we’ve helped drivers and fleet managers stay ahead of costly repairs with smart service strategies.
Real People, Real Support: Our technicians don’t just turn wrenches—they answer your questions, offer honest advice, and make sure you leave informed.
Warranty-Backed Peace of Mind: We stand behind everything we do with a 6-month warranty on workmanship.
Call Now for Heavy-Duty Services in Dubuque, IA – 608-568-3257!
From mobile diagnostics to DOT inspections and full fleet maintenance, we handle it all. Call 608-568-3257 now to schedule heavy-duty services in Dubuque, IA. We’ll keep your truck moving and your business on schedule.
FAQs
What Areas Do You Serve for Heavy-Duty Services?
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.
What Preventive Maintenance Services Do You Offer?
We offer oil changes, filter replacements, fluid top-offs, grease service, tire checks, brake inspections, and full DOT-certified inspections. These are available as one-offs or as part of a recurring schedule.
Do You Provide Mobile Repairs and Towing?
Yes. Our mobile truck repair team can service your truck at your location. For breakdowns, we also provide 24/7 heavy-duty towing and roadside assistance across the region.
How Can I Get Heavy-Duty Services?
Call 608-568-3257 now. From routine maintenance to emergency mobile services, we provide the heavy-duty services that keep you running. Get in touch now, and a member of our team will find a time that's best suited to you!
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


