Transmission Repairs and Upgrades in Decatur, TX
At Bare Knuckles Diesel in Decatur, Texas, we specialize in making your transmission last longer than factory specifications allow. Our North Texas transmission upgrade process involves identifying common failure points for each transmission type and using our Wise County expertise to design solutions that eliminate these weaknesses.
With decades of combined experience repairing and upgrading heavy-duty truck transmissions, we're Decatur's trusted experts for 68RFE, 48RE, 10R140, and 10L1000 transmissions, serving customers from across Wise County and the DFW Metroplex.

68RFE Transmissions
For 2007.5 - 2018 Dodge Ram Trucks
The 68RFE transmission is known for pressure control issues and premature clutch failure. Our Decatur, TX specialized rebuild process reinforces critical components and upgrades the valve body to ensure your Dodge Ram's transmission delivers reliable performance even under heavy towing conditions in North Texas.
We service all 6.7L Cummins diesel trucks with 68RFE transmissions throughout Wise County and surrounding areas.


For 2003.5 - 2007 Dodge Ram Trucks
48RE Transmissions
48RE transmissions frequently suffer from converter lockup issues and overdrive failures, especially in modified trucks driving through Wise County's varied terrain. Our Decatur transmission repair process includes upgraded pressure control components, reinforced overdrive sections, and custom-tailored modifications based on your specific DFW area driving habits and power levels.

10R140 Transmissions
For 2020 - Current Super Duty F-Series
The 10R140 transmission in modern Ford Super Duty trucks requires specialized knowledge and equipment to service properly. Our Decatur diesel technicians are fully trained on these complex transmissions, offering both repairs and performance upgrades that maintain reliability while handling increased power from modified engines for truck owners throughout North Texas and the DFW area.



For 2020 - Current Heavy Duty GM Trucks
10L1000 Transmissions
GM's 10L1000 transmission in Silverado HD and Sierra HD trucks presents unique challenges when power levels increase beyond stock. Our Decatur, Texas repair and upgrade packages address the known weaknesses in these transmissions, with special attention to the torque converter and valve body calibration for Duramax-powered trucks working in Wise County and surrounding North Texas communities.
Complete Diesel Performance Solutions in Decatur, TX
Beyond transmission repairs, Bare Knuckles Diesel offers comprehensive diesel performance upgrades and general diesel repair services in Decatur. Whether you need a complete powertrain solution or routine maintenance for your North Texas work truck, our Wise County experts can keep your truck running at peak performance on Texas roads.
Located conveniently at 2023 US-287 in Decatur, TX 76234, Bare Knuckles Diesel is the preferred transmission repair shop for truck owners throughout North Texas. Our specialized knowledge of heavy-duty truck transmissions has earned us customers from Fort Worth, Denton, Weatherford, Bridgeport, Alvord, Bowie, and throughout the DFW Metroplex.
Just a short drive from US-380 and easily accessible from surrounding Wise County communities, we're your local solution for professional transmission repairs.