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Diesel Tractor Mechanics and Trailer Repair Services

We understand your equipment is essential to your trucking business. At Master Fleet, our team
of experienced mechanics understand your priorities and have the skills to take on any heavy
duty tractor or trailer repair services.

We Keep You on the Road with Maintenance for Your Entire Fleet

Tractor or trailer – we’re ready to take on the challenge and your fleet’s maintenance and repair services. From independent owner-operators to large trucking carriers, our mechanics meet the demands for fast, professional and reliable maintenance and repair for all makes and models. 

Same-Day Equipment Repairs at Our Three Locations

Visit one of our locations to receive top-notch, expert maintenance for your entire fleet. We will quickly diagnose your repair needs. We can handle just about anything and we’re up for the challenge. Let’s get you back on the road. 


3360 Spirit Way

Green Bay, WI 54303

455 N. Green Bay Rd. #2

Neenah, WI 54956

4730 East Frontage Rd.

Caledonia, WI 53108

Our Diesel and Trailer Technicians Are the Best in the Business

We’ve seen it all before and that’s a good thing! Our experienced mechanics are here for our customers – delivering quick turnaround times with the kind of quality work that will keep you going for miles to come. 

All Makes, All Models

Detroit, Volvo, Cummins, Paccar – we can do it all. Whether it’s a tractor or trailer, we’ve got you covered. Call us - let's get started.

Don’t Let Maintenance Slow You Down

We Perform Express Diagnostics


Maximum two-hour initial diagnosis provided from time arrival. We do our best to get you the information you need to make repair decisions quickly.

Get Back Up to Speed with Mobile Repair Services

We’ll Meet You Where You’re at in an Emergency 

Breakdown and need roadside assistance? Let us know where you’re at and what you’re dealing with and we’ll send someone out to you.

Schedule an Appointment

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