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Built on Integrity, Experience, and Hard Work

We’re a veteran-owned mobile diesel repair team dedicated to keeping Dallas, TX, truckers rolling 24/7.

At Big Sarge Diesel Repair, we bring 25 years of experience turning wrenches, solving tough mechanical problems, and helping drivers get back on the road fast. Proudly veteran-owned, our story is one of dedication, service, and community. Led by Greg Warren, what started as a single roadside truck has grown into a trusted name across Dallas, TX, for reliable mobile truck repair service and heavy-duty maintenance.

Our military background taught us the values that define how we work today: discipline, honesty, and accountability. We apply those same principles to every job we take. Whether it’s roadside assistance at 2 a.m. or a full trailer rebuild, our focus is always on delivering quality work with integrity.

We specialise in solving real-world problems that stop drivers in their tracks, from complex emissions diagnostics to frame welding, tire blowouts, and trailer leaks. Our team holds DOT, ASE, and AC certifications, giving customers the confidence that their vehicles are in skilled hands.

We take pride in being a local, community-focused business serving truckers and fleet operators throughout Dallas. We don’t just fix trucks; we keep livelihoods moving and schedules on track.

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Certified Diesel Service, No Mileage Fee

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Headquarters

Dallas, TX

Phone

(469) 328-9682

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Fill out this quick form to schedule roadside service, trailer repair, or fleet maintenance. Our certified team will contact you fast to confirm your request and dispatch help.