24/7 roadside diesel repair anywhere along the I-5 corridor — on the shoulder, at the yard, at the dock, or at the truck stop. Certified diesel techs, fully equipped service trucks, fixed right the first time.
Full mobile coverage of Interstate 5 from the Canadian border to Portland — plus the yards, docks, and truck stops in between.
On the shoulder between exits? We dispatch to mile markers, not just cities.
We bring the tools, the parts, and the experience to you — no towing, no waiting in a shop line, less downtime.
Breakdowns, no-starts, jump starts, and emergency repairs on the shoulder — day or night, anywhere on I-5.
Chambers, shoes, drums, slack adjusters, and full air brake diagnostics and repair.
Leak-down testing, airline and fitting repair, air dryer service and replacement.
Full mobile diagnostics with dealer-level tools. Fault codes read, causes found, fixed right the first time.
Radiators, water pumps, coolant hoses, thermostats, and leak repairs — we keep your engine running cool.
Axles, lights, brakes, reefer units — if it's on the trailer, we come fix it on-site.
Oil pans and gasket replacement, fuel system work, and filter changes done on-site at your yard or dock.
Inspections that keep your trucks compliant, reliable, and ready for work every day.
Rapid sourcing of OEM and aftermarket parts, professionally installed — minimal wait time.
Our business was built for drivers and fleet managers who can't afford downtime. We respond fast, work efficiently, and fix it correctly the first time.
Ready to dispatch around the clock, minimizing your downtime with prompt roadside assistance.
Certified diesel technicians with real shop and roadside experience — we know the difference between a temporary fix and a real one.
Clear communication and honest pricing. No upselling, no delays, no unfinished jobs.
Scheduled and preventive maintenance at your location — consistency without the hassle of shop visits. Many of our clients keep us long-term because we become part of their operation, not just an emergency call.
We keep detailed service history on every unit and make sure your trucks stay compliant, reliable, and ready for work every day.
From drivers and fleet managers we've gotten back on the road.
"Reliable mobile diesel repair. They saved me from a tow, handled the repair quickly, and made sure everything was running properly before leaving. Great service and very knowledgeable."
"Reliable, fast, and professional. On Road Diesel Repair fixed our semi on-site and minimized our downtime. Great service and fair pricing. Have used them a few times and now always use them for any type of maintenance. Definitely recommend!"
"Our delivery truck had a major suspension fault which also damaged the braking system. On Road Diesel Repair came to our facility and fixed our truck overnight. They were able to diagnose the issue very fast and also got the parts for us."
"Used their services to get my semi fixed. They are super knowledgeable, professional and reliable. They did a great work on my truck & knew exactly what they were doing and were very humble and affordable as well. Highly recommend!"
"Excellent road service. I had a head gasket blow, they changed my truck head gasket, put a new one in and I'm back on the road in 3 days. Thank you"
"Very professional and fast! He came in and fixed my truck under an hour, also very fair on price and fast on response, he was at the truck in less than 30 minutes. I highly recommend him."
"I had a great experience with the On Road Diesel Repair team. They arrived quickly, diagnosed the problem right away, and got me back on the road in no time. The mechanic was professional, friendly, and knew exactly what he was doing."
"It's 5 pm on Friday, I got tire replacement and lights replacement at a good price. Main thing is their services are fast — just came in 30 minutes and 2 men done all work in 20 minutes. Recommend to those who are stuck at the road, scale, even on weekends."
"I had an outstanding experience with On Road Diesel Repair 24/7 Road Service. Their response time was incredibly fast, and the team was professional, knowledgeable, and very helpful. They explained everything clearly."
"They are truly excellent, professional mechanics who know exactly what they're doing. I rated them 5 stars because they genuinely earned it. I was put out of service at the scale in the middle of nowhere and couldn't move until the repairs."
"Clear pricing, no surprises. They kept me updated and finished the repair quicker than expected."
"Fast response, great work, and very professional. They fixed our truck on-site and saved us a ton of time and a huge tow bill. Highly recommend!"
"Quick, efficient, and honest. Exactly what you want when you're stuck on the road."
"Fast honest on road diesel repair. Got me rolling quick, thanks"
"Prices are affordable, way of working so good, fast service. Will highly recommend them."
"Good and fast service, reasonable price"
"Expert man of the work, very good working, quick service team"
"Great road service and good price, nice guys"
"Highly recommend. Affordable prices"
"Good service and fast, easy going"
"Very good service and good price"
"Very good service, highly recommend"
"Great price, fast service"
"Good and fast service"
"Good price, very handsome man!"
"V gud road service"
"Humble people"
"Best service"
"Reliable mobile diesel repair. They saved me from a tow, handled the repair quickly, and made sure everything was running properly before leaving. Great service and very knowledgeable."
"Reliable, fast, and professional. On Road Diesel Repair fixed our semi on-site and minimized our downtime. Great service and fair pricing. Have used them a few times and now always use them for any type of maintenance. Definitely recommend!"
"Our delivery truck had a major suspension fault which also damaged the braking system. On Road Diesel Repair came to our facility and fixed our truck overnight. They were able to diagnose the issue very fast and also got the parts for us."
"Used their services to get my semi fixed. They are super knowledgeable, professional and reliable. They did a great work on my truck & knew exactly what they were doing and were very humble and affordable as well. Highly recommend!"
"Excellent road service. I had a head gasket blow, they changed my truck head gasket, put a new one in and I'm back on the road in 3 days. Thank you"
"Very professional and fast! He came in and fixed my truck under an hour, also very fair on price and fast on response, he was at the truck in less than 30 minutes. I highly recommend him."
"I had a great experience with the On Road Diesel Repair team. They arrived quickly, diagnosed the problem right away, and got me back on the road in no time. The mechanic was professional, friendly, and knew exactly what he was doing."
"It's 5 pm on Friday, I got tire replacement and lights replacement at a good price. Main thing is their services are fast — just came in 30 minutes and 2 men done all work in 20 minutes. Recommend to those who are stuck at the road, scale, even on weekends."
"I had an outstanding experience with On Road Diesel Repair 24/7 Road Service. Their response time was incredibly fast, and the team was professional, knowledgeable, and very helpful. They explained everything clearly."
"They are truly excellent, professional mechanics who know exactly what they're doing. I rated them 5 stars because they genuinely earned it. I was put out of service at the scale in the middle of nowhere and couldn't move until the repairs."
"Clear pricing, no surprises. They kept me updated and finished the repair quicker than expected."
"Fast response, great work, and very professional. They fixed our truck on-site and saved us a ton of time and a huge tow bill. Highly recommend!"
"Quick, efficient, and honest. Exactly what you want when you're stuck on the road."
"Fast honest on road diesel repair. Got me rolling quick, thanks"
"Prices are affordable, way of working so good, fast service. Will highly recommend them."
"Good and fast service, reasonable price"
"Expert man of the work, very good working, quick service team"
"Great road service and good price, nice guys"
"Highly recommend. Affordable prices"
"Good service and fast, easy going"
"Very good service and good price"
"Very good service, highly recommend"
"Great price, fast service"
"Good and fast service"
"Good price, very handsome man!"
"V gud road service"
"Humble people"
"Best service"
On Road Diesel Repair was founded by experienced diesel mechanics to serve the hardworking drivers and fleet managers who keep goods moving across the Pacific Northwest. What began as a single mobile mechanic service has grown into a trusted partner for fleets and independent truckers along the whole corridor.
We've built our reputation on rapid response, technical expertise, and honest service. Whether it's a breakdown on the highway or a scheduled fleet visit, our priority is simple: keep you moving.
For urgent roadside assistance, call — it's always the fastest way. For scheduled maintenance or general questions, email or use the form.
