1065 Owenton Rd. Corinth, KY 41010 | Available 24/7 | (502) 427-0507

Medium Duty Truck Repair in Corinth, Lexington & Dry Ridge KY and the Surrounding Areas

A red truck is sitting on a lift in a garage.

Cross Diesel Repair offers expert light and medium duty truck repair in Corinth for all makes and models. Our professional technicians combine years of hands-on experience with the latest diagnostic and repair equipment to perform fast and effective services for Duramax, Power Stroke, Cummins and other medium duty diesel vehicles.


Whether your work truck needs a diesel engine rebuild or it's time for diesel truck maintenance for your daily driver, our team is ready to help. Give us a call to request an estimate for medium duty diesel truck service in Corinth or a neighboring town.

  • Cummins Repair
  • Duramax Repair
  • Power Stroke Repair
  • Diesel Truck Maintenance
  • Diesel Engine Repair
  • Diesel Engine Rebuild & Replace
  • Medium Duty Transmission Repair
  • Transmission Maintenance
  • Turbo Diesel Repair
  • 4x4 Repair
  • AWD & 4WD Repair
  • Differential Repair
  • Light Duty Diesel Repair
  • Medium Duty Diesel Repair
  • Diesel Truck Maintenance
  • Diesel Engine Diagnostics
  • Diesel Oil Change
  • Air Filter & Fuel Filter
  • Diesel Tune Up Services
  • Diesel Fuel System Bleeds
  • Water Separator Drains
  • Urea Injection System Refilling
  • Truck Wheel Alignments
  • Axle Repair

Medium Duty Diesel Engine Repair & Diagnostics

Our diesel mechanics provide professional Cummins diesel repair, Duramax diesel repair and Power Stroke diesel repair for Dodge diesel, RAM diesel, Chevrolet diesel and Ford diesel trucks. We also care for other domestic and foreign light and medium duty diesel engines. Come see us for all your needs, including diesel engine diagnostics, diesel oil leak repair, diesel performance repair, diesel hard starting, as well as diesel engine rebuilding and diesel engine replacement. Call or visit our Corinth diesel shop for a quote to fix your rig.

A silver pickup truck is driving down a road

Diesel Truck Transmission Repair

We fix diesel truck transmissions issues for all makes and models. Our automatic transmission repair and manual transmission repair experts can service any make or model of light or medium duty pickup to ensure it shifts smoothly mile after mile. We offer complete transmission maintenance, transmission fluid flush services, clutch repairs, replacements and adjustments, complex diesel transmission repairs, transmission rebuilds and transmission replacements. We really do it all. Call our Corinth transmission shop to learn more about our services or to request an estimate for transmission costs.

A red ram truck is parked in a dirt field.

Medium Duty Diesel Truck Maintenance

Preventative maintenance is key to ensuring a long and healthy life for your daily driver pickup or work truck. Our diesel maintenance shop is capable of providing any factory services required by your vehicle. This includes completing diesel oil changes, diesel glow plug replacements, diesel fuel system services, diesel filter replacements, diesel belt and hose replacements, diesel fluid flush services and diesel tune ups.


To learn more about your truck’s needs, or to schedule diesel maintenance in Corinth, please give us a call or stop by our local diesel shop.

4x4 System Repair

The expert technicians at Cross Diesel Repair are skilled at performing 4x4 repair in Corinth for all types of trucks. We also service AWD and 4WD systems on light and medium duty diesel pickups. Whether your truck’s locking hubs have failed, its electronic engagement system is malfunctioning or you want to upgrade your off-road capabilities, we can help. To learn more about our 4x4 shop in Corinth, give our team a call or visit our facility. We’d be happy to provide you with a quote for the cost of 4x4 repairs or upgrades.


Truck Wheel Alignments

Proper wheel alignment promotes maximum fuel efficiency, lengthens tire life and ensures safe and comfortable driving. If your truck pulls one side, has a shaky steering wheel or if you notice odd wear patterns on your tires, it may be time for a truck wheel alignment in Corinth, Lexington & Dry Ridge KY and the surrounding areas. Our technicians are ready to assist with professional wheel and tire services for medium duty trucks.

Our full service medium duty diesel truck shop in Corinth can conduct any service required to keep your vehicle safe, reliable and comfortable to drive. From turbo diesel repairs and performance enhancements to scheduled diesel maintenance and complex diesel engine overhauls, our team does it all.


Give us a call at (502) 427-0507 to schedule an appointment or to request a quote for diesel truck repair costs at our nearby diesel shop.

A truck is sitting on a lift in a garage.

Cross Diesel Repair Blog

By Cross Diesel Repair • October 8, 2026
Semi trucks put significant demands on their engines, and the cooling system plays a critical role in keeping engine temperatures within a safe range. When a cooling system component fails or becomes damaged, overheating can occur and potentially cause serious engine problems. Recognizing common cooling system issues can help drivers address problems promptly and reduce the risk of costly breakdowns. At Cross Diesel Repair, we provide expert semi truck cooling system repair in the greater Corinth, KY area. Here are four common sources of overheating in semi trucks. Low or Leaking Coolant Coolant carries heat away from the engine and helps regulate operating temperatures. A leak from a radiator, hose, water pump, or another cooling system component can cause coolant levels to significantly drop. When there is not enough coolant circulating through the system, the engine may become excessively hot. Regularly checking coolant levels and looking for visible leaks can help identify problems early. A Clogged or Damaged Radiator The radiator is responsible for releasing heat from the coolant as air passes through it. Debris, corrosion, and internal buildup can interfere with proper heat transfer. Physical damage can also reduce the radiator’s ability to function efficiently. A restricted or damaged radiator may be particularly problematic when a semi truck is working under heavy loads or operating in hot conditions. A Failing Water Pump The water pump circulates coolant between the engine and radiator. If the pump becomes worn or damaged, coolant may not flow properly throughout the system. This can cause engine temperatures to rise, leading to overheating. A failing water pump can also produce unusual noises or develop leaks, making prompt professional diagnosis important. A Faulty Thermostat The thermostat helps regulate coolant flow based on engine temperature. If the thermostat becomes stuck or otherwise fails to operate correctly, coolant may not circulate through the radiator as intended. This can cause the engine to soon start to run too hot. A technician can determine whether a faulty thermostat is contributing to overheating. Semi Truck Cooling System Repair in Corinth, KY For expert semi truck repair in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our local diesel mechanics can expertly address your big rig repair needs!
By Cross Diesel Repair • September 8, 2026
Semi trucks are built to handle demanding workloads and spend countless hours traveling long distances, often while carrying heavy loads. Because their diesel engines work so hard, regular maintenance is essential for keeping them reliable. One of the most important maintenance tasks is changing the engine oil according to the manufacturer's recommended schedule. Staying consistent with semi truck oil changes can protect critical engine components and support performance. At Cross Diesel Repair, we provide expert semi truck maintenance in the greater Corinth, KY area. Here are four important reasons to keep semi truck oil changes on schedule. Protect Engine Components From Wear Engine oil provides essential lubrication for the many moving components inside a diesel engine. It helps reduce friction between parts and creates a protective barrier that can minimize wear. As oil becomes old or contaminated, it may not provide the same level of protection. Regular oil changes provide fresh oil that helps protect important internal components during demanding operation. Help Control Engine Heat Oil does more than lubricate an engine. It also helps absorb and transfer heat away from certain internal components. Semi truck engines can generate substantial heat while hauling heavy loads over long distances. Maintaining clean, properly specified engine oil helps support the engine's ability to manage heat and operate within a healthy temperature range. Remove Harmful Contaminants Over time, engine oil can accumulate soot, dirt, metal particles, and other contaminants. Diesel engines can produce significant amounts of soot, making proper oil maintenance especially important. Replacing the oil and filter at recommended intervals helps remove accumulated contaminants and provides the engine with cleaner lubrication. This can help reduce the impact of contaminants on internal components. Reduce the Risk of Expensive Repairs Neglecting oil changes can contribute to increased friction, lubrication problems, and accelerated engine wear. Over time, these conditions may contribute to significant engine damage. Regular oil changes are a relatively small maintenance expense compared with the potential cost of major engine repairs and the consequent downtime. Consistent maintenance can therefore be a valuable investment in your truck. Semi Truck Oil Change in Corinth, KY For expert semi truck repair and maintenance in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our local diesel mechanics can thoroughly address your big rig repair and maintenance needs!
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By Cross Diesel Repair • October 8, 2026
Semi trucks put significant demands on their engines, and the cooling system plays a critical role in keeping engine temperatures within a safe range. When a cooling system component fails or becomes damaged, overheating can occur and potentially cause serious engine problems. Recognizing common cooling system issues can help drivers address problems promptly and reduce the risk of costly breakdowns. At Cross Diesel Repair, we provide expert semi truck cooling system repair in the greater Corinth, KY area. Here are four common sources of overheating in semi trucks. Low or Leaking Coolant Coolant carries heat away from the engine and helps regulate operating temperatures. A leak from a radiator, hose, water pump, or another cooling system component can cause coolant levels to significantly drop. When there is not enough coolant circulating through the system, the engine may become excessively hot. Regularly checking coolant levels and looking for visible leaks can help identify problems early. A Clogged or Damaged Radiator The radiator is responsible for releasing heat from the coolant as air passes through it. Debris, corrosion, and internal buildup can interfere with proper heat transfer. Physical damage can also reduce the radiator’s ability to function efficiently. A restricted or damaged radiator may be particularly problematic when a semi truck is working under heavy loads or operating in hot conditions. A Failing Water Pump The water pump circulates coolant between the engine and radiator. If the pump becomes worn or damaged, coolant may not flow properly throughout the system. This can cause engine temperatures to rise, leading to overheating. A failing water pump can also produce unusual noises or develop leaks, making prompt professional diagnosis important. A Faulty Thermostat The thermostat helps regulate coolant flow based on engine temperature. If the thermostat becomes stuck or otherwise fails to operate correctly, coolant may not circulate through the radiator as intended. This can cause the engine to soon start to run too hot. A technician can determine whether a faulty thermostat is contributing to overheating. Semi Truck Cooling System Repair in Corinth, KY For expert semi truck repair in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our local diesel mechanics can expertly address your big rig repair needs!
By Cross Diesel Repair • September 8, 2026
Semi trucks are built to handle demanding workloads and spend countless hours traveling long distances, often while carrying heavy loads. Because their diesel engines work so hard, regular maintenance is essential for keeping them reliable. One of the most important maintenance tasks is changing the engine oil according to the manufacturer's recommended schedule. Staying consistent with semi truck oil changes can protect critical engine components and support performance. At Cross Diesel Repair, we provide expert semi truck maintenance in the greater Corinth, KY area. Here are four important reasons to keep semi truck oil changes on schedule. Protect Engine Components From Wear Engine oil provides essential lubrication for the many moving components inside a diesel engine. It helps reduce friction between parts and creates a protective barrier that can minimize wear. As oil becomes old or contaminated, it may not provide the same level of protection. Regular oil changes provide fresh oil that helps protect important internal components during demanding operation. Help Control Engine Heat Oil does more than lubricate an engine. It also helps absorb and transfer heat away from certain internal components. Semi truck engines can generate substantial heat while hauling heavy loads over long distances. Maintaining clean, properly specified engine oil helps support the engine's ability to manage heat and operate within a healthy temperature range. Remove Harmful Contaminants Over time, engine oil can accumulate soot, dirt, metal particles, and other contaminants. Diesel engines can produce significant amounts of soot, making proper oil maintenance especially important. Replacing the oil and filter at recommended intervals helps remove accumulated contaminants and provides the engine with cleaner lubrication. This can help reduce the impact of contaminants on internal components. Reduce the Risk of Expensive Repairs Neglecting oil changes can contribute to increased friction, lubrication problems, and accelerated engine wear. Over time, these conditions may contribute to significant engine damage. Regular oil changes are a relatively small maintenance expense compared with the potential cost of major engine repairs and the consequent downtime. Consistent maintenance can therefore be a valuable investment in your truck. Semi Truck Oil Change in Corinth, KY For expert semi truck repair and maintenance in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our local diesel mechanics can thoroughly address your big rig repair and maintenance needs!
By Cross Diesel Repair • August 10, 2026
A semi truck's transmission is designed to withstand heavy loads and long hours on the road, but even the toughest transmissions require proper care to perform reliably. The good news is that many transmission failures can be avoided through preventive maintenance and good driving habits. At Cross Diesel Repair, we provide expert semi truck transmission service in the greater Corinth, KY area. Here are four ways to help prevent major transmission repairs in your semi truck. Keep Transmission Fluid Clean and at the Proper Level Transmission fluid is essential for lubricating internal components, reducing friction, dissipating heat, and ensuring smooth gear changes. Low or contaminated fluid can cause excessive wear, overheating, and poor shifting performance. Follow the manufacturer's recommended service schedule for fluid changes and inspections, and repair any transmission fluid leaks as soon as they are discovered. Maintaining the proper fluid level is one of the simplest and most effective ways to extend transmission life. Avoid Overloading Your Truck Consistently hauling loads that exceed your truck's recommended weight capacity places tremendous strain on the transmission and the rest of the drivetrain. Extra weight forces the transmission to work harder, creating additional heat and accelerating wear on internal parts. Properly distributing cargo and staying within legal weight limits helps reduce stress on the transmission while improving overall vehicle performance and safety. Address Warning Signs Immediately If you notice delayed shifting, slipping gears, grinding noises, fluid leaks, unusual vibrations, or a burning smell, schedule a professional inspection right away. Catching these issues early often allows technicians to perform relatively minor repairs before significant internal damage occurs. Schedule Regular Preventive Maintenance Routine inspections by a qualified heavy-duty truck technician can identify developing transmission problems before they become major failures. During preventive maintenance, technicians can inspect transmission mounts, driveline components, seals, cooling systems, and fluid condition while checking for leaks and abnormal wear. Regular maintenance also helps ensure your transmission continues operating efficiently under demanding conditions. Semi Truck Transmission Service in Corinth, KY For top-quality semi truck transmission service in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our ASE-certified diesel mechanics can expertly address your semi truck’s repair needs. Feel free to give us a call to schedule semi truck repair in greater Corinth, KY.
By Cross Diesel Repair • August 10, 2026
A semi truck's transmission is designed to withstand heavy loads and long hours on the road, but even the toughest transmissions require proper care to perform reliably. The good news is that many transmission failures can be avoided through preventive maintenance and good driving habits. At Cross Diesel Repair, we provide expert semi truck transmission service in the greater Corinth, KY area. Here are four ways to help prevent major transmission repairs in your semi truck. Keep Transmission Fluid Clean and at the Proper Level Transmission fluid is essential for lubricating internal components, reducing friction, dissipating heat, and ensuring smooth gear changes. Low or contaminated fluid can cause excessive wear, overheating, and poor shifting performance. Follow the manufacturer's recommended service schedule for fluid changes and inspections, and repair any transmission fluid leaks as soon as they are discovered. Maintaining the proper fluid level is one of the simplest and most effective ways to extend transmission life. Avoid Overloading Your Truck Consistently hauling loads that exceed your truck's recommended weight capacity places tremendous strain on the transmission and the rest of the drivetrain. Extra weight forces the transmission to work harder, creating additional heat and accelerating wear on internal parts. Properly distributing cargo and staying within legal weight limits helps reduce stress on the transmission while improving overall vehicle performance and safety. Address Warning Signs Immediately If you notice delayed shifting, slipping gears, grinding noises, fluid leaks, unusual vibrations, or a burning smell, schedule a professional inspection right away. Catching these issues early often allows technicians to perform relatively minor repairs before significant internal damage occurs. Schedule Regular Preventive Maintenance Routine inspections by a qualified heavy-duty truck technician can identify developing transmission problems before they become major failures. During preventive maintenance, technicians can inspect transmission mounts, driveline components, seals, cooling systems, and fluid condition while checking for leaks and abnormal wear. Regular maintenance also helps ensure your transmission continues operating efficiently under demanding conditions. Semi Truck Transmission Service in Corinth, KY For top-quality semi truck transmission service in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our ASE-certified diesel mechanics can expertly address your semi truck’s repair needs. Feel free to give us a call to schedule semi truck repair in greater Corinth, KY .
White semi-truck driving on a rural road beside a damaged car under a clear blue sky
By Cross Diesel Repair • July 8, 2026
Identify warning signs of cooling system issues in semi trucks. Ensure your engine runs smoothly with our expert diesel repair services.
Red semi-truck parked on pavement with a white trailer attached
By Cross Diesel Repair • June 12, 2026
Identify warning signs of suspension issues in semi trucks. Contact Cross Diesel Repair for expert solutions to keep your truck safe.
Semi-truck hauling stacked pipes on a highway under a cloudy sky
By Cross Diesel Repair • May 6, 2026
Get answers to common semi truck fuel system repair questions. Contact Cross Diesel Repair for expert assistance today!
A close-up view of a heavy-duty machinery engine with mechanical parts, belts, and wiring housed under a red hood.
By Cross Diesel Repair • April 8, 2026
Address battery failures, faulty alternators, & wiring issues in your semi truck. Trust Cross Diesel Repair for prompt service today!
Semi-truck driving on a road at dusk, with a car in the foreground. Sky is orange and cloudy.
By Cross Diesel Repair • March 9, 2026
Keep your semi truck cool with expert cooling system repair. Contact Cross Diesel Repair for solutions to overheating issues.
White semi-truck driving on a highway, with green foliage in the background.
By Cross Diesel Repair • February 8, 2026
Learn about semi truck suspension repair signs & importance. Get expert service at Cross Diesel Repair in Corinth, KY. Contact us today!