Hear from Our Customers
Your cargo doesn’t wait for business hours. Neither do we. Our mobile semi truck repair service eliminates towing costs and gets you rolling again fast.
No more sitting in some shop’s waiting room wondering when you’ll see your truck again. We bring the shop to you with fully equipped service vehicles and the parts inventory to handle most repairs on-site.
You keep earning while we keep you moving. That’s the difference between a breakdown and just another day on the job.
J&J Truck & Trailer Repair has been keeping Michigan’s trucks rolling since the 1980s. Dr. Phillip Marin leads our team with three Ph.D. degrees in Diesel Engineering, Drivetrains, and Metal Alloys.
We’re not some fly-by-night operation. We’re your neighbors in Wayne County, serving the I-75 corridor from our Detroit base. When other shops are closed or can’t handle your specific problem, we’re the call that gets results.
Family-owned means we answer to you, not some corporate office. Your success is our success.
Call us and we dispatch immediately. No phone tag, no “we’ll get back to you.” Our mobile unit is typically on-site within 45-60 minutes, equipped with diagnostic computers and common parts.
We diagnose the problem using state-of-the-art equipment, not guesswork. You get a clear explanation of what’s wrong and what it’ll cost before we turn a wrench.
Most repairs happen right there on the roadside or in your yard. If we need to tow, we handle everything and keep you informed every step of the way. You’re back in business with proper paperwork and a job done right.
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Our mobile fleet handles everything from simple tire changes to complex engine diagnostics. We service all major brands and specialize in the problems that leave other shops scratching their heads.
Michigan’s weather and road conditions are tough on trucks. We see everything from frozen air lines in winter to overheated engines in summer construction zones. Our experience with local conditions means we stock the right parts and know the quick fixes that work.
Whether it’s a blown turbo on I-75 or a reefer unit failing with a load of produce, we’ve handled it before. Fleet operators trust us because we understand that every minute down costs money.
We typically arrive on-site within 45-60 minutes of your call, depending on your exact location and current traffic conditions. Our mobile units cover the entire Wayne County area including Maybee, and we dispatch immediately upon receiving your call.
Unlike shops that require towing first, we bring the repair capability directly to you. This eliminates the wait time for a tow truck and the additional delay of getting your truck to a shop. Our goal is to have you back on the road the same day whenever possible.
Yes, our ASE certified technicians service all major semi truck brands including Freightliner, Peterbilt, Kenworth, Volvo, Mack, International, and Western Star. Dr. Marin’s expertise covers all diesel engine types including Caterpillar, Cummins, Detroit Diesel, and Mercedes.
We carry diagnostic equipment compatible with all modern truck computer systems. Whether your truck is brand new or decades old, we have the tools and knowledge to diagnose and repair it properly. Our parts inventory includes components for the most common repairs across all brands.
Our mobile units handle most common repairs including brake service, ABS sensor replacement, air system repairs, alternator and starter replacement, belt and hose replacement, and basic transmission work. We also perform diesel engine diagnostics, forced regens, and DEF system service.
For tire-related issues, we provide complete roadside tire service including mounting, balancing, and emergency tire replacement. We stock major tire brands and can handle everything from single tire changes to complete tire rotations. Our mobile welding capability allows us to repair frames, brackets, and other structural components on-site.
Our mobile service rates are competitive with shop rates, but you save significantly on towing costs which can run $200-500 depending on distance. We provide upfront pricing before starting work, so there are no surprises on your bill.
Consider the hidden costs of traditional shop repairs: towing fees, lost revenue from downtime, and often higher labor rates due to shop overhead. Our mobile service eliminates most of these costs while getting you back to earning money faster. We also offer fleet discounts for companies with multiple vehicles.
Yes, we perform annual DOT inspections required for commercial motor vehicles to operate legally in Michigan. Our certified inspectors can also help you address any violations or out-of-service issues that may arise during roadside inspections.
We understand Michigan DOT requirements and can advise you on compliance issues before they become problems. If your truck gets red-tagged during a roadside inspection, we can often perform the necessary repairs on-site to get you back in compliance immediately. This saves you from having to arrange towing to a shop and waiting for an appointment.
Absolutely. Truck breakdowns don’t follow business hours, and neither do we. Our emergency response team is available 24 hours a day, 7 days a week, 365 days a year including holidays.
We understand that time is money in the trucking industry. Whether you break down at 2 AM on a Sunday or during a holiday weekend, we’ll dispatch a qualified technician to your location. Our emergency service covers the entire Detroit metro area and Wayne County, ensuring you’re never stranded for long regardless of when or where trouble strikes.
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