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5401 S Palo Verde Rd, Tucson, AZ 85706

Available 24/7

4540 N Haskell Ave, Willcox, AZ 85643

Monday-Saturday 9am-5pm

8650 E Old Vail Rd, Tucson, AZ 85747

Available 24/7

Service Request →
A logo for tucson truck repair shows a piston holding a wrench and a screwdriver

5401 S Palo Verde Rd, Tucson, AZ 85706

Available 24/7

4540 N Haskell Ave, Willcox, AZ 85643

Monday-Saturday 9am-5pm

8650 E Old Vail Rd, Tucson, AZ 85747

Available 24/7

Mobile Semi Truck & Trailer Repair, 24/7 Commercial Roadside Assistance & Heavy Duty Towing in Tucson & Southern Arizona


“We Can Fix Anything on a Semi Truck”

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From oil changes and tune ups to complex diesel engine and transmission services, we do it all.

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Our Tucson diesel mechanics will get your fleet vehicle back on the road fast with 24/7 roadside help.

An orange truck with the hood up and the door open

When you need to tow a semi truck in Tucson, trust our team of experts to ensure your vehicle is safely transported.



Mobile Semi Truck Repair

Mobile Semi Truck Maintenance

Trailer Repair

24/7 Commercial Roadside Assistance

Heavy Duty Towing

Diesel Engine Repair

Semi Truck Transmission Repair

Big Rig Brake Repair

Mobile Fleet Repair & Maintenance

Mobile RV & Bus Repair

Commercial Tire Replacement

Semi Truck Oil Change

Steering & Suspension Repair

24/7 Emergency Services

Expert Semi Truck & Trailer Repair


Since 2009, Tucson Truck Repair & Towing has provided expert semi truck and trailer repair in Tucson and Southern Arizona.

Service Request →

24/7 Roadside Semi Truck Service


Our team provides 24/7 roadside semi truck service so that you can get back on the road as soon as possible. No matter what type of work your big rig needs, our local diesel mechanics can handle the job. From engine diagnostics and repair to brakes and suspension systems, our technicians will work diligently to get the job done right the first time. Our team specializes in servicing Kenworth, Peterbilt, Cummins, Detroit, and Paccar diesel engines, as well as Eaton Transmissions. We understand that our clients have demanding schedules and rely heavily on their trucks’ health. That’s why we make it a priority to get each job done in a timely manner, but without ever compromising on quality. We strive to earn our clients’ trust and respect by completing flawless repairs at fair rates. Give us a call when you need semi truck or trailer repair in greater Tucson, AZ and we will have you on the road in no time.

24/7 Commercial Roadside Assistance & Towings


At Tucson Truck Repair & Towing, we proudly provide 24/7 commercial roadside assistance and towing in Tucson, Marana, Casa Grande and the surrounding areas. We’ve invested in the latest tools and tech and are equipped with dealer software for brands like CAT, Cummins, Paccar and more. If you find yourself stranded on the shoulder, our team will arrive ASAP to help get you out of harm’s way and back on the road. We provide services including tire replacement and jumpstarts so that you can carry onward to your destination with as little delay as possible.

A white truck is parked next to a white bus.
A row of semi trucks are parked in a dirt lot.

And if your truck can’t be started on the spot, we’ll tow it to our Tucson semi truck repair shop where our team of expert diesel mechanics will complete the necessary work to return your truck to proper working order. From engine overhauls to transmission repairs, our crew can diligently handle complex repair jobs, while also providing service for minor repairs and maintenance. When you need big rig towing or tractor trailer repair in Tucson, the trusted name is Tucson Truck Repair & Towing. Give us a call at 520-665-9550 to request immediate assistance or a   quote for the cost of big rig repair services.


We Service All Types of Trucks


• Mack Truck Repair

• Kenworth Truck Repair

• International Truck Repair

• Volvo Truck Repair

• Paccar Engine Repair

• Thermo King & Carrier Trailer Repair

• Peterbilt Truck Repair

• Western Star Truck Repair

• Freightliner Truck Repair

• Cummins Repair

• Detroit Engine Repair

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Tucson Truck Repair & Towing Blog

A semi truck is driving down a wet highway.
by Tucson Truck Repair & Towing 20 February 2025
A tire blowout is one of the most dangerous situations a semi-truck driver can face on the road. When a tire suddenly fails at high speeds, it can lead to loss of control, damage to the truck, and serious accidents. Understanding the common causes of tire blowouts can help prevent these dangerous situations and keep trucks operating safely. Here are five common reasons semi-truck tires blow out. Underinflation One of the leading causes of semi-truck tire blowouts is underinflation. When a tire does not have enough air pressure, it cannot properly support the weight of the truck and its cargo. This causes excessive flexing in the sidewalls, generating heat and increasing the risk of a blowout. Regularly checking tire pressure and keeping it at the recommended level is crucial for preventing blowouts. Overloading Semi-trucks are designed to carry heavy loads, but exceeding the recommended weight limit puts immense pressure on the tires. When a truck is overloaded, the tires experience increased stress, which leads to overheating and premature wear. Proper load distribution and adherence to weight limits are essential for keeping tires in good condition and preventing blowouts. Road Hazards and Debris Potholes and sharp objects can contribute to tire blowouts. When a semi-truck hits a pothole or runs over debris, the impact can weaken the tire structure, leading to sidewall damage or punctures. Even if a tire does not immediately fail, repeated encounters with road hazards can cause gradual wear that increases the risk of a blowout. Drivers should remain alert for road hazards and take evasive action when possible to avoid unnecessary tire damage. Tire Wear and Aging All tires have a limited lifespan, and as they age, their structural integrity weakens. Semi-truck tires endure thousands of miles on the road, and over time, the rubber deteriorates, treads wear down, and cracks may form. Worn-out tires are much more likely to experience blowouts, especially under heavy loads or high-speed conditions. Regular inspections, tread depth checks, and timely replacements are critical for reducing the risk of tire failure. Improper Tire Maintenance Neglecting routine tire maintenance is a major contributor to blowouts. Failing to check for signs of damage, skipping rotations, and not balancing tires properly can all lead to uneven wear and instability. A proactive maintenance routine can extend tire life and help minimize the chances of blowouts. Semi Truck Roadside Tire Replacement in Tucson, AZ When you need semi truck roadside assistance in Tucson and the surrounding area, contact Tucson Truck Repair & Towing at  520-665-9550  . We provide 24/7 roadside semi truck service in the greater Tucson area. Our team can expertly handle your semi truck and trailer repair needs!
A red semi truck is sitting on a lift in a garage with its hood open.
by Tucson Truck Repair & Towing 19 January 2025
Regular oil changes are one of the most critical maintenance tasks for semi trucks. With their heavy loads and long hours on the road, these powerful vehicles depend on clean, high-quality oil to keep their engines running smoothly. Neglecting oil changes can lead to costly repairs, downtime, and even engine failure. At Tucson Truck Repair & Towing, we provide expert semi truck oil changes in the greater Tucson, AZ area. Here are four important reasons to keep up with semi truck oil changes. Engine Longevity Oil lubricates the moving parts of an engine, reducing friction and preventing excessive wear and tear. Over time, oil becomes dirty and loses its effectiveness. Regular oil changes help ensure that your engine components are properly lubricated, which can extend the engine's lifespan. Improved Fuel-Efficiency Clean oil allows an engine to run more efficiently by reducing friction and preventing sludge buildup. When your engine runs smoothly, it doesn't have to work as hard, which helps improve fuel-efficiency. In an industry where fuel costs are a significant expense, regular oil changes can lead to substantial savings. Prevention of Costly Repairs Skipping oil changes may save time and money in the short term, but it can lead to significant repair bills in the long run. Degraded or insufficient oil may cause engine parts to overheat or seize up, leading to expensive repairs or even complete engine replacements. Routine oil changes are a small investment compared to the cost of major engine repairs. Reduced Downtime For truckers, time is money, and unexpected breakdowns can lead to costly delays. Regular oil changes help prevent engine problems before they happen, reducing the likelihood of roadside breakdowns and extended downtime. Keeping up with routine maintenance helps keep your truck on the road and your business moving forward. Semi Truck Repair & Maintenance in Tucson, AZ For big rig repair and maintenance in Tucson, AZ and the surrounding area, contact Tucson Truck Repair & Towing at  520-665-9550  . We provide 24/7 roadside semi truck service in the greater Tucson, AZ area!
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