B.D.R

Block Diesel Repair Inc. is a light to heavy-duty truck and trailer repair shop in Janesville, Wisconsin, offering our team of experienced diesel mechanics for in-shop repairs, fleet maintenance & 24/7 emergency roadside assistance. Call today to schedule service!

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about us

Heavy-Duty Truck Repair Shop in Janesville, WI

Established in 1994 by Kerry Block, Block Diesel Repair started as a small diesel repair shop specializing in road assistance services for the Janesville, Wisconsin, community. Since then, Kerry's mom-and-pop shop has grown into one of Wisconsin's finest repair services, with a 13,000 sq. ft. facility boasting six drive-thru bays, over a dozen industry-certified technicians ready to tackle any type of repair, and the latest and greatest in equipment and tools.

our repairs

Full-Service Repair Shop

Axle Repair

At Block Diesel Repair in Janesville, Wisconsin, we offer reliable and quick axle repair services to help keep everything running smoothly.

Brake Repair

At Block Diesel Repair in Janesville, Wisconsin, our team of mechanics provides prompt and thorough brake repair services for both air and hydraulic systems.

Coolant System Repair

One of the first steps in guaranteeing the longevity of your trucks is by maintaining the coolant systems in them, as a small leak can cause serious engine damage.

Performance ECM Tuning

Block Diesel Repair in Janesville, Wisconsin, offers top-of-the-line performance ECM tuning services to fleet owners.

Diagnostics & Electrical Repair

At Block Diesel Repair in Janesville, Wisconsin, our technicians have up-to-date, specialized training in the most advanced diagnostic tools.

Driveline Repair

The driveline is a vital component, responsible for transferring power to the wheels. Our gifted technicians are knowledgeable and skilled at driveline maintenance and repairs.

EGR & DPF

At Block Diesel Repair in Janesville, Wisconsin, we offer comprehensive EGR and DPF cleaning and repairs to keep your after-treatment systems performing at their best.

Engine Repair, Rebuild & Conversion

Our engine repair, rebuild, overhaul, and conversions are designed to help you achieve your engine performance goals.

Express Lube

Our technicians cover everything from engine oil changes to differential fluid changes, ensuring your fleet has what it needs to perform at its best.

Exhaust System Repair

Our team of certified technicians specializes in providing exhaust system maintenance to ensure your fleet operates at a high level of performance.

HVAC System Repair

Your HVAC system should be reliable enough to keep your drivers comfortable and safe on the road. We offer HVAC system repair services for all types of diesel trucks.

Oil & Fluid

At Block Diesel Repair in Janesville, Wisconsin, we offer comprehensive oil and fluid services to keep your diesel fleet running smoothly and efficiently.

Suspension Repair

If you're experiencing a rough ride, sagging or squatting when carrying heavy loads, or air leaks, it's time to get your suspension repaired by a professional.

Tire Repair

At Block Diesel Repair in Janesville, Wisconsin, we offer a wide range of tire repair and replacement services to help keep your tires in good condition.

Transmission & Clutch Repair

At Block Diesel Repair in Janesville, Wisconsin, we are committed to providing top-notch services to ensure your fleet's optimal performance.

Alignment

We have the expertise and specialized equipment to diagnose and correct any alignment issues in your trucks or trailers.

The service these guys give is awesome. Prices are very fair, and the work they do is fantastic. Good customer service, quality work and great price.
C & T S
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M&M Carriers

Jeremy Shirah

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Great job. My mechanic Mitch did an incredible job. Arrived exactly on time. Finished the repair in record time and the price was very reasonable. And all on a Sunday morning. Great job! Keep up the awesome service.

Brit Payjack

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Thank you so much to Greg. We had an emergency after hours and he quickly got us and our horses back on the road. We are beyond grateful.

Tim Braun

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They got me right in when I needed a repair during a trip. Fair pricing with quality work. Went there worried since on the road repairs can go so wrong but left very happy.

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