Auto Repair and Diesel Services in Durand, WI

Polzer Brothers Inc. has been servicing trucks and heavy-duty vehicles in the Durand area for over 75 years. Our full-service garage handles everything from routine maintenance to major mechanical work, with ASE-certified mechanics on every job.

We specialize in diesel engine repair and are equipped to work on the makes and models commercial drivers rely on most, including Freightliner, Kenworth, Peterbilt, International, Volvo, and Mack. Whether you're dealing with an engine issue on the road or scheduling planned maintenance for your fleet, we have the tools and experience to get it done right.

ASE Certified Mechanics

Services

Diesel engine diagnostics and repair. DEF and DPF system service. Transmission repair and replacement. Engine replacement. Driveline maintenance. Brake service. Electrical diagnostics. DOT inspections. Repossession services.

ASE-Certified Mechanics

All repair work at Polzer Brothers is performed by ASE-certified mechanics. That means consistent, accountable work on every vehicle that comes through our doors, from a basic oil change to a full engine swap.

Located in Durand, WI on Highway 10. Call us to schedule service or get a same-day assessment on urgent repairs.

Need a DOT Certification?

Call Polzer Brothers today!