services

Heavy-Duty Diesel Mechanic services in Wisconsin

Block Diesel Repair is your one-stop shop for all your truck and fleet repair needs in Janesville, Wisconsin. Our team of expert technicians, each with over 10 years of experience, is committed to providing high-quality services to ensure your trucks are up and running in no time.

Schedule Service
Diesel mechanic performing inspections from BDR

24/7 Emergency Roadside Assistance 

We pride ourselves on providing the best 24/7 emergency roadside assistance services to all of our clients. With six mobile units and a hands-on founder who's been picking up roadside assistance calls since 1994, you can rely on us for quick and effective roadside repairs. Whether you need a jump start, brake line repairs, diagnostics, or anything else, we’ll dispatch a fully-equipped unit if you’re within a 60-mile radius of our shop.

On-Site Preventive Maintenance

Is preventive maintenance taking up too much of your time? We’ll come to you! At Block Diesel Repair, we specialize in on-site preventive maintenance services, which include fleet truck and trailer repair, DOT inspections, fluid top-offs, and other services as requested. Our mobile units are equipped with everything we need to get the job done right the first time around.

Full-Service Truck & Trailer Repair

Our industry-certified technicians with years of repair experience are dedicated to providing top-notch service and support for all your diesel needs. We provide an extensive roster of services, including diagnostic & electrical repair, engine overhauls & conversions, truck & trailer alignment, suspension & brake inspections, high-end oil & fluid service, Express Lube service, heavy equipment repairs, and more. Plus, our affordable rates and fast turnaround times are nothing to scoff at—our technicians have up-to-date training on the latest technologies to help speed up our repair services.

Contact Us

At Block Diesel Repair, we’re built on respect and fueled by excellence. Whether you need roadside assistance or full-service repairs, we are here to help. Contact us today to schedule an appointment!

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.