Ryan's Diesel Service has been providing exceptional customer service in Southeastern Wisconsin since 2009. With a 9000 sq ft facility, they offer a wide range of diesel repair and service, including drive-train, suspension, motor swaps, and performance builds. The business also manufactures many parts in-house on CNC machines, ensuring seamless and quick turnaround times. Customers have consistently praised the expertise and professionalism of the team at Ryan's Diesel Service. The owner, Ryan, is known for his knowledgeable and straightforward approach, and he personally assists customers with their inquiries and concerns. Reviewers have highlighted the company's reasonable prices, timely service, and high-quality products, making it a trusted choice for diesel enthusiasts in the region. Overall, Ryan's Diesel Service has established itself as a reliable and customer-focused diesel performance shop, offering a wide range of services and a commitment to excellence that has earned them a strong reputation in the local community.
They are very responsive and keep you updated with the process. Part arrived on time and when they said it would. Installed the new part and it works perfect. Outstanding service all around! Great job Ryans!!!
January 2026
Working with Ryan and his crew is refreshingly easy, which in todays world feels like a minor miracle. Hard to find a great Diesel mechanic let alone one that does what he says. Communication is great.
My dads business has diesel trucks and will go a bit over 2 hours to have them serviced.
December 2025
Drove from Green Bay Wisconsin to bring my truck to Ryan's Diesel Service. Extremely knowledgeable and trustworthy. Wouldn't bring my truck anywhere else. Thanks guys!
