About
509 Roadside

509 Roadside in Moses Lake, WA, delivers full-service diesel repair with unmatched versatility. We fix trucks, trailers, RVs, buses, automobiles, and heavy equipment—24/7 roadside support and honest, skilled service.

Diesel mechanic provides general truck repair in Moses Lake, WA

Our Goal

509 Roadside was founded with one goal: to get hardworking drivers and fleet operators back on the road quickly and safely. We know that downtime costs money, and delays hurt business. That’s why we built a shop and mobile team that can handle it all— trucks, trailers, RVs, buses, automobiles, and heavy equipment. Whether you’re stuck on the shoulder or need full-service diagnostics in-shop, we’re ready to help.

Repairs and Services

We specialize in everything from engine diagnostics and DPF cleaning to DOT inspections and custom fabrication. Our mobile team offers scheduled on-site service and emergency roadside repairs throughout Central Washington. Need towing or recovery? We’ve got it covered 24/7. Our facility is equipped to handle both individual owner-operators and full fleet accounts—with fair pricing, clear communication, and skilled workmanship every step of the way.

The 509 Roadside Difference

We’re not just another diesel repair shop—we’re a reliable partner for drivers and fleet managers who need real results. Our crew consists of experienced technicians who prioritize doing the job right, on time, and without shortcuts. Whether you drive a big rig, a trailer, an RV, or even your daily commuter, we’re here to help you stay safe and road-ready. At 509 Roadside, we work hard—just like you do. Call us today and experience the difference.

What They're
Saying About Us

See why our customers consider 509 Roadside their go-to repair shop in Moses Lake, WA and the surrounding areas!

These guys got me in to their shop on short notice and found my electrical problem quickly. Can’t thank them enough! I will call them again if I need help in the area!!

Jon William

Joseph helped me out when my car couldn’t shift gears coming from Spokane, going back to Western WA. It was 99 degrees out and he came from his house to help me. He was calm, knowledgeable, communicated well, and honest. He even called me when I got back home to make sure I made it and gave me some car tips. There aren’t too many people out there like him. I believe in karma, and Joseph deserves all the best karma his way.

B.W.

These guys came out and did a roadside repair on my trailer and got me patched up in no time, their mechanic even followed me to my destination to make sure everything went smoothly. They went above and beyond, excellent and professional service. Thanks guys!

Kyle latvala

Had issue with semi shutting down due to coolant level issue, contacted 509 to assist and they were earlier then expected, very friendly and got me back on the road quickly and went beyond duty and even checked other things to prevent any other issues. Would call them first if I ever have a problem down road.

Michael Twedt

I am a hostler driver in our yard and anytime I need repairs, I call on 509 roadside, they haven't disappointed me at all. Very professional and courteous, I strongly recommend them.

David Phillips

The customer service is excellent. They follow up and get the job done in a timely manner. I would recommend them for any type of mechanic work.

Dan N.

509 Roadside is amazing. I was driving my truck and was in the area with an airbag broken on my trailer. I called 7 different shops within 100 miles of Moses lake around 1pm on a Thursday 3/13/25 and 509 was the only one to answer. Not only did they answer but they took the time to find the correct airbag and get me safely back on the road at a very reasonable price! It was a great experience and I will definitely be using their services again if I’m ever in need.

Jade Martin

My car broke down and Joe found me stranded. He called a tow truck immediately and waited with me, I told him I thought my alternator burned out and he confirmed that was the case as soon as he walked up. He had the car fixed first thing in the morning and his rate was very reasonable. Joseph is a great person and an amazing mechanic. I highly recommend his services.

Devon M

Contact 509 Roadside

Need roadside assistance, have questions, or want to schedule your truck or trailer in for a service or repair? Get in touch!

Our Hours

Monday - Friday
8:00 AM - 12:00 PM
1:00 PM - 5:00 PM

24/7 Roadside Assistance

Speak to a Service Advisor now!