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For over 20 years, the certified technicians of Diamond Truck & Trailer Inc. have provided the highest quality road service available to our customers. Our commitment is to get your unit up and running without being towed while saving you time and money. We have an in-house repair shop if you need more than a roadside service to repair your vehicle and get you back on the road.

Diamond Truck & Trailer carries the most common sensors (and some not so common) for Cat, Cummins, Detroit Diesel, Navistar, and MBZ. Our belt and OEM hose selection far surpasses the more common road service company. Whether it's a simple air-line, a lift gate problem, or a broken fuel line, Diamond Truck & Trailer can handle just about all your road service & repair 24/7!
Reviews (10)
Scn Solution
Scn Solution
Sep 30, 2021
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Matt and his techs came out within 30 and quickly fixed my air leak. These guys are the best if you need to get rolling fast.
James Davis
James Davis
Sep 16, 2021
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Positive: Professionalism, Punctuality, Quality, Value
Tomas arrived quickly and was able to pressure test and find a mysterious coolant leak. He cleaned up the area when finished. Side note: very clean and well kept work truck. I am lucky my company uses Diamond for road service and they are lucky to have a employee like Tomas.
Cristhofer Perez
Cristhofer Perez
Sep 04, 2021
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Positive: Professionalism, Punctuality, Quality
I was stuck in a busy highway in the Chicagoland area. Tomas Santos arrived quickly and got me back on the road. He’s very professional and has a big sense of urgency. Will use again and I recommend him to all my fellow truckers.
Jorge
Jorge
Aug 30, 2021
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Positive: Professionalism, Punctuality, Quality, Value
Truck broke down the other day and Tomas got the job done rapidly. He arrived earlier than said and was very friendly, knowledgeable and professional! Great mechanic!
Jesse
Jesse
Aug 29, 2021
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WOW! Diamond Truck is now my go to. Had issues with a truck but Tomas had us back up and running in no time. Very affordable and saved us alot of money!!
Luis Sandoval
Luis Sandoval
Aug 14, 2021
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Positive: Professionalism, Punctuality, Quality, Value
Place was great! Staff was even better especially Tomas Santos! He was super friendly and an overall great person! He is the definition of an exceptional employee/person! Would highly recommend.
Service: Brakes
Steven Sager
Steven Sager
Aug 12, 2021
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Positive: Professionalism
Had to get my Brakes done and the mechanic, Tomas, was very knowledgeable, fast and early. Would definitely use this service again.
Service: Brakes
Zo
Zo
Jun 14, 2021
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I want to thank Tomas for his professionalism and quick response to get me back on the road. Tomas arrived an hour earlier than projected eta time and when he arrived he greeted me warmly and he had a sense of urgency to get me fixed. He repaired issue and tested it b4 giving me ok to go back on road with my trailer that broke down. I appreciate him and his knowledge on my repair. JOB WELL DONE TOMAS!! 👍🏾
Rudy Avila
Rudy Avila
Jan 17, 2021
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Long story short! I flew from NJ to MN to purchase my lovely T680. Everything on it was in tack and no leakage. As I was driving through IL, once I stopped for the day, I noticed a leak. I couldn't spot where it was coming from, but I know it was related to the power steering reservoir as it was completely empty. My world came down, I searched on Google what it could be i got too much information I'll say. The next day I called Diamond on a SUNDAY. They deployed one of the mechanic over, and when he checked it out, he quickly spotted the issue. The mechanic replaced my reservoir and hoses with
Juan Cordova
Juan Cordova
Nov 02, 2020
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I had a very good experience today, with this truck service, Thomas was very professional, courteous, friendly and went above and beyond. The quick response was great! I thought I would be waiting hours, but Thomas was there in a hour and had me on my way in a 1/2. Very impressed. Most times us truck driver deal with mechanics it’s usually a bad experience. I appreciate the professionalism and the friendliness. I will refer Diamond to all my fellow drivers. Thanks