Tuff Enuff 4-Wheel Drive Center
“If you need something done that's in their wheelhouse I wouldn't go anywhere else.”
Best Engine Repair & Rebuild in Morristown, TN
10 technicians listed · 4 in Morristown · 2 open weekends · 8 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
100% Diesel
“They got me in very fast and done great work fixing my truck only shop I will take my truck to if you need you're truck work on give them a call you want regret it”
Epling Motorsports
“Excellent customer service and very knowledgeable when it came to working on my truck!”
Gerald Sapp's Garage
“Fixed my overheating radiator, and kept the conversation going while fixing to keep us in the loop.”
T&C Diesel Truck and Trailer Repair
“I was very lucky to get Austin from T and C Diesel come to the hotel I was staying at and repair the bus I was driving.”
Bunch's Diesel Performance
“They had my truck diagnosed in less than 24 hours the owner is super cool guy they had my invoice and parts ordered within 2 days of dropping my truck off.”
Listed for drivers in and around Morristown, TN, these 10 shops repair, rebuild and replace engines. What each one says about machine work, warranty terms and the engines it supplies comes from its own website; ratings and quotes come from public reviews.
Area overview: Morristown, TN
4 of the 10 technicians we list are based in Morristown; the other 6 serve Morristown from towns including Dandridge (12 mi), Bean Station (11 mi) and Midway (13 mi). 9 of the technicians on this page have a rating, from 4.3 to 5.0 across 305 reviews; 2 have 50 or more reviews and 8 are rated 4.5 or higher. 2 are open on Saturdays and 1 on Sundays. 1 shows a license on its website. 2 have ten or more years of experience, the longest 37 years. 1 gives free estimates and 3 are family- or locally-owned. We have a website on file for 7 of the technicians on this page; 3 publish a contact page and 5 list a public email. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Why do some listings show another city?
4 of the 10 shops are in Morristown itself and the rest come from other towns within 20 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
Dark Star Diesel Performance
“Would recommend anyone and everyone to bring your business to Dark Star Diesel Performance!!”
RTC Performance Diesel
“Excellent customer service excellent workmanship very affordable if any owner operators are ever on I 40 before the bridge in Dandridge TN just outside of Newport TN and need help call RTC Performance Diesel they know what they are doing.”
Backwoods Repair Shop
Jp's Roadside Diesel
“From the start of the call to Bo to assist with Diagnostics of my truck issue all the way through to finding a transmission and him replacing it; within days was amazing and very cost efficient!”
Why these companies made our list
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