Diesel Engine Repair in Janesville, WI

Professional Diesel Engine Service for Commercial Trucks


When a diesel engine problem affects your truck, getting the right diagnosis and repair quickly matters. TA Janesville provides professional diesel engine repair services for commercial trucks traveling through southern Wisconsin.


Located near I-90/I-39 at Exit 171B in Janesville, Wisconsin, TA Janesville helps professional drivers and fleets address diesel engine issues and get back on the road.


From diagnostics and troubleshooting to engine repairs and maintenance support, our technicians help keep heavy-duty vehicles operating reliably.

Keep Your Diesel Engine Performing Reliably

Expert Support for Heavy-Duty Diesel Systems


Modern diesel engines are complex systems that require specialized knowledge, proper diagnostic equipment and experience working with commercial vehicles.


TA Janesville provides diesel engine service designed to help identify problems, determine the appropriate repair and reduce unnecessary downtime.

Semi-truck in a service bay with the hood open for diesel engine diagnostics and repair

Diesel engine services may include:


  • Engine diagnostics
  • Performance troubleshooting
  • Diesel system inspections
  • Engine-related repairs
  • Preventive maintenance
  • Component replacement
  • Heavy-duty truck engine service


Diesel Engine Diagnostics & Troubleshooting

Find the Source of the Problem


Diesel engine issues can affect performance, fuel efficiency and reliability. Proper diagnostics help identify the cause before unnecessary repairs are performed.


TA Janesville technicians use professional diagnostic tools and experience to evaluate diesel engine concerns and recommend appropriate service.

Common diesel engine concerns may include:


Loss of power


Warning lights


Poor engine performance


Starting issues


Unusual noises


Reduced fuel efficiency


Engine-related system faults


TA Janesville Truck Service


3222 Hwy 14 East
Janesville, WI 53546
I-90 & Hwy 14,

Exit 171-B


608-752-8700


Equipped for Heavy-Duty Diesel Repair

TA Janesville Truck Service has the bays, equipment and service capacity to handle demanding commercial truck repairs, including diesel engine service.

TA Janesville Truck Service facility for heavy-duty diesel truck repair in Janesville, Wisconsin

Diesel Repair for Commercial Trucks

Service Designed for Professional Drivers and Fleets


TA Janesville supports the needs of commercial drivers, owner-operators and fleet customers who depend on reliable equipment.


Our diesel engine repair services are designed for heavy-duty applications, helping address issues that can impact your ability to stay on schedule.


Whether you are traveling through Janesville or operating in the surrounding Wisconsin area, TA Janesville provides convenient access to professional truck service near a major transportation corridor.

Inside the service bay at TA Janesville in Rock County, Wisconsin
TA Janesville sells tires in the truck service workshop

More Than Diesel Engine Repair

Complete Truck Service Support at TA Janesville


Diesel engine problems are often connected with other truck systems. TA Janesville provides additional services to support your vehicle beyond engine repair.

Preventive Maintenance

Routine service helps identify potential issues before they become major problems.

DPF & Aftertreatment Service

Specialized service for emissions systems and components required by modern diesel engines.

Truck Diagnostics

Professional diagnostics to identify issues and determine the appropriate repair path.

Roadside Assistance

Call TA Janesville. Our team can help you determine the appropriate next step.

Convenient Diesel Repair Location Near I-90/I-39

Truck Engine Service in Janesville, Wisconsin


Located at Exit 171B near I-90/I-39, Highway 14 and Highway 26, TA Janesville provides convenient access to diesel engine repair and professional truck services for drivers traveling through southern Wisconsin.


Whether you are a long-haul driver, owner-operator or fleet customer, TA Janesville offers a convenient location to address truck service needs and continue your route.

Exit 171B to the TA Janesville Truck Stop

FAQ About Diesel Engine Repair

Diesel engine repair technician servicing a commercial semi-truck
  • What types of vehicles does TA Janesville service?

    TA Janesville provides professional truck service for commercial vehicles, including heavy-duty trucks and equipment used by professional drivers and fleets.

  • Does TA Janesville repair diesel engines on semi trucks?

    Yes. TA Janesville provides diesel engine service and repair support for commercial trucks, helping drivers and fleets address engine-related concerns.

  • How do I know if my diesel engine needs repair?

    Warning signs may include reduced power, unusual noises, warning lights, starting issues, performance changes or decreased fuel efficiency. Proper diagnostics can help identify the cause.

  • Can I call TA Janesville if I am unsure what service I need?

    Yes. If you are experiencing a truck-related issue and are unsure what to do next, call TA Janesville. Our team can help you understand your options and determine the appropriate next step.

Need Diesel Engine Repair in Janesville?



TA Janesville Truck Service is equipped to handle heavy-duty diesel engine diagnostics and repairs for commercial trucks.


Conveniently located near I-90/I-39 at Exit 171B, our service team is ready to help diagnose the problem and get your truck back on the road.

TA Janesville Truck Service


3222 Hwy 14 East
Janesville, WI 53546
I-90 & Hwy 14,

Exit 171-B


608-752-8700