Triplet Diesel Injection
“THE place in Waco for all your diesel fuel injection parts & service!!!”
Best Truck Repair in Waco, TX
14 mechanics listed · 5 in Waco · 1 open 24/7 · 3 open weekends · 10 rated 4.5+
Data verified October 16, 2026
TCT Truck & Trailer Repair
“They sealed my rear axle and fixed my wheel seals and did an absolute wonderful job cheers to these people for helping me out when I needed it”
Zombie Mechanical & Welding
“These guys are the nicest people who helped me out a lot did great work on my truck will definitely be coming back to them.”
Tallent Diesel Repair & Performance
“Each time they answer the phone courteously and are quick to get back to me about what is wrong.”
Robert Pogue's Automotive
“Would not hesitate to take my vehicles back to them if need be.”
Cunningham Brothers Transmissions and Total Auto Care
“They're so sweet, super reasonable with prices, quick to get the job done and so accommodating in times of stress!”
Listed for drivers in and around Waco, TX, these 14 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.
Area overview: Waco, TX
Of the 14 mechanics we list here, 5 are in Waco itself and 9 come from towns including Elm Mott (4, 10 mi), China Spring (1, 4 mi) and Bellmead (1, 5 mi). The mechanics on this page are rated from 4.3 to 5.0 across 478 reviews; 2 have 50 or more reviews and 10 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price" and "fair". 1 is open around the clock; 3 are open on Saturdays and 2 on Sundays. 3 have a BBB rating of A or A+. 6 have ten or more years of experience, the longest 38 years. 2 offer emergency or roadside call-outs. We have a website on file for 3 of the mechanics on this page; 2 publish a contact page and 1 lists a public email. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Why does this page include shops beyond Waco?
5 of the 14 shops sit inside Waco; the rest come from other towns. Truck shops need land, long approaches and highway access, so they end up on the edge of town. Drivers already plan around that.
Robert's Truck and Equipment Repair
“One of the most fair and honest and knowledgeable shops you will ever find”
Santos Tires Repair
“Had a blowout on our trailer and these guys came to our aid very quickly!”
Kegley Automotive
“Carl is sincere, fair, and honest.”
MAD Truck Collision & Welding
“Went the extra mile to make sure we got our truck back on the road as soon as possible.”
Silver Fox Paint & Body
“They do great professional work and made my truck look new again.”
Industrial Transmissions
Red Barn Truck Repair
“Red Barn Truck Repair exceeded out expectations on a complete paint job on a 20 year old, very rough Peterbilt 379.”
LB Heavy Equipment Repair
Why these companies made our list
What customers say about mechanics in and near Waco
- “10/10 recommend. They’ve been working on my trucks for over 4 years and I’ve been throughly impressed.” — customer of Triplet Diesel Injection
- “Great mechanic, very trustworthy and knowledgeable… best diesel mechanic in town for sure!” — customer of Tallent Diesel Repair & Performance
- “They provided excellent communication, towed the truck and made the repairs in a timely manner.” — customer of Cunningham Brothers Transmissions and Total Auto Care
- “Aaron in the truck shop is super helpful and knowledgeable, he got me back on the road fast!” — customer of Triplet Diesel Injection
- “The quality of their workmanship was exceptional, leaving my truck running smoothly and without any further noise disturbances.” — customer of Cunningham Brothers Transmissions and Total Auto Care
Excerpts from public reviews of the mechanics listed on this page.
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