Diesel Repair in Hubbard

In Hubbard, the reliability of your diesel vehicles is crucial for daily operations, whether you're managing a fleet of five trucks or fifty. Ryan's Diesel Service stands ready to meet the unique demands of your local community, providing comprehensive repair solutions that cater to everything from light-duty pickups to heavy-duty semis. Our mobile service truck means we can often come directly to you for minor repairs, ensuring minimal downtime and maximum convenience. Known for our thorough Department of Transportation (DOT) inspections, you can trust that your vehicles are in capable hands. With our commitment to quality service, we ensure your diesel vehicles operate at peak performance, allowing you to focus on what matters most—running your business smoothly.

High End Diesel Products Is Our Specialty

Ryan’s Diesel Service is no stranger when it comes to the manufacturing of high-end diesel products.

Learn more about us HERE

Warranties on Our Turbos

Outlined on product pages and HERE

All Turbos Are Manufactured in House

We believe all products should be manufactured in-house to maintain high levels of quality control.

Our Customers Love Us

Over 100 Reviews on google with a 5 star rating. View HERE

High End Machining

We currently have a HAAS VF4 5-axis machining center which runs a fair majority of our products. We also have a HAAS TL-1 lathe.

Turbo balancing is all done in-house on either our West Coast Balancer WCB30 or CWT industries balancer.

Diesel Repair Services – Your Trusted Diesel Repair Shop in Wisconsin

At Ryan’s Diesel Service, we specialize in comprehensive diesel repair and maintenance for light and medium-duty diesel trucks and vehicles. With over 15 years of experience serving Southeastern Wisconsin, our ASE-level technicians deliver honest diagnostics, dependable repairs, and performance-driven service you can count on.

Whether you’re dealing with a hard-to-diagnose engine issue or need routine diesel system maintenance, our team has the expertise and equipment to keep your diesel running strong.

What We Repair

We provide a full suite of diesel repair services, including:

  • Engine and Drivetrain Repair
  • Diesel engine diagnostics and repair
  • Fuel system service, tuning, and injector replacement
  • Turbocharger replacement, rebuilds, and upgrades
  • Engine swaps and rebuilds

Diesel Performance & Upgrades

  • Performance enhancements and tuning
  • Drop-in turbos and custom builds
  • Power delivery optimization

Suspension, Transmission & More

  • Transmission diagnostics and repair
  • Suspension and drivetrain upgrades
  • Electrical system troubleshooting

Advanced Diagnostics

Our shop uses state-of-the-art tools to pinpoint performance issues fast- saving you time and money on unnecessary repairs.

Why Choose Ryan’s Diesel Service?

Choosing a locally owned business like Ryan's Diesel in Hubbard means you benefit from personalized service that larger companies often overlook. With years of hands-on experience in diesel mechanics, our team understands the unique needs of the vehicles that power your operations. Whether your fleet consists of five light-duty pickups or fifty over-the-road semis, our comprehensive services ensure that your vehicles remain road-ready. We offer expert repairs and thorough Department of Transportation (DOT) inspections tailored to your schedule.

Our fully equipped mobile service truck provides the convenience of on-site repairs, eliminating downtime without compromising quality. At Ryan's Diesel, we stand by our work with a two-year parts and labor warranty, giving you peace of mind with every service. Our focus is on delivering solutions that keep your business moving forward, because your success is our priority. Experience the difference that local expertise and commitment can make for your fleet.

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