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Southern Oregon Diesel We are your experts in Roseburg diesel repair. Southern Oregon Diesel is committed to quality workmanship at a reasonable price. We are a hard-working, family run company with over sixty-six years of experience committed to delivering service that exceeds your expectations. We are a full service, diesel engine mechanic shop and Cummins repair experts located right off I-5 in north Roseburg. Southern Oregon Diesel employs factory trained journeyman diesel technicians that are constantly updating their skills through continued education classes and seminars.
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In the beginning, it was a way to put food on the table. Logging was in its heyday and it was crucial to keep timber-hauling diesels on the road. So, Boyd and Emma Gregory decided to provide a repair/maintenance service for these rigs and opened Southern Oregon Diesel in 1954. As the years passed and the business grew, Boyd and Emma were confident that Southern Oregon Diesel was the legacy and the future they would pass on to their sons. Then came the eighties. The timber industry was going through major changes and many of the independent loggers, including their trucks, stood idle.
We use the best replacement parts with the latest industry standard tools and diagnostic software to repair your diesel truck. Our diesel repair shop is capable of servicing GM/Duramax, Dodge/Cummins, and Ford/Powerstroke. Contact us if you have other diesel repairs needs. We offer the great quality you should expect from a dealership, but with a personal touch, friendly atmosphere, and reasonable prices of a family run business. Control cost, reduce risk, and make educated decisions with SOD fleet maintenance services.
Reviews (10)
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Keith Yori
Jun 23, 2022
I liked them until they stopped doing oil changes in pick up trucks. My 200 F250 7.3 liter now goes to someone else. They reached out after my review and said they still do oil changes on pick ups but are a little pricey. Thank you for the update.
G. W. Purcell
May 11, 2022
Honest and dependable. Dennis certainly has his customer's best interest at heart!
Charles McAllister
Mar 24, 2022
If you have an problems with your diesel rig, please go see Dennis and crew at Southern Oregon Diesel. They have been great for all of my needs.
Tad Anglin
Oct 11, 2021
Called for an estimate after I had changed my injectors and ficm. Pickup wouldn't start. Gave me an estimate I could live with so made the appointment. High pressure oil pump was shot. They replaced the bad parts and fixed one of my screw ups. Did a great job and had my pickup back in a short time. Definitely use them again.
Lonnie Liles
Mar 03, 2021
Southern Oregon Diesel in my opinion is the best diesel shop in the roseburg area. I have taken my truck in there twice now for totally different things. They have made sure I was in the loop with what was going on letting me know other things that didn't need to be fixed right now but to keep an eye on. They are always a little backed up so it can take some time to get in but I have not felt like they were rushing to get me out the door at all.

The second time I had to take my truck in I was having an issue and called them up and we went over the notes from the first time just to make sure it wasn't anything they had seen and it wasn't but I got a call back from them a couple hours later asking me to bring it by so they could make sure and they cleared a spot in their schedule to take an look at it that day. I will definitely take any of my diesel trucks there from here on out. Thanks guys.
Melissa Swiontek
Jan 02, 2021
While heading to the rogue River just before labor day weekend, we blew our turbo hose while pulling a fifth wheel. We quickly called some local shops and southern Oregon diesel was the closest. Although they were slammed, they made time to come out and help us. We ended up being able to fix it ourselves, but Dennis was very kind and ready to jump in to help us get back on our travels.
Ian Buckland
Nov 20, 2020
I have had several less than pleasant 1st time experience with local shops. I was referred to Southern Oregon Diesel by a friend. They originally told me they were pretty booked up and was looking at the following week before even being able to touch it. I dropped the truck off on a Thursday evening not even expecting it to be looked at for another week. Was called the following Monday morning as they began diagnostics.

I was called and informed on every step taken, and involved in the decision making of moving forward in every aspect. Customer service by far is the most awesome. Truck was done in a day and week earlier than I anticipated. Will refer everyone to these guys.
Leslee P.
May 01, 2019
We were heading to Coos Bay from California on vacation when we started smelling antifreeze in our 05 duramax diesel. There was a leak somewhere but we couldn't get to it. We read the reviews of how this shop helped so many travelers and got there first thing Monday morning. They took my husband right in and within an hour had the problem fixed. We were able to get to where we were going.

They are great people and awesome mechanics. The reviews I read were all correct! They take care of you, are very knowledgeable and have reasonable rates. I would definitely use them again. I wish we had a shop like this where we live!
Faulkner Family Home
Feb 01, 2019
Awesome people! My husband and I were towing when the inner cooler boot blew off pulling the grade heading south down the freeway on new years day. We pulled in hoping to find help and found Kevin. He let us pull in and get everything patched up and back on the road and was genuinely nice about everything. Truly a life saver! Awesome guy!
Ryan S.
Nov 11, 2018
I recently took my dodge 6.7 in for a head gasket repair. Dennis and his team did an absolutely AMAZING job with my truck! They had it done when they said it would be. Customer service is astounding! These guys are very pleasant to deal with! My truck is running perfectly, they didn't charge me everything they could have charged me for, they cleaned the entire engine bay up, and Dennis told me to come back next week so they can make sure everything is holding up the way it should at no charge! I HIGHLY HIGHLY recommend southern Oregon diesel!