WHAT WE OFFER
68RFE TRANSMISSION BUILDS
PERFORMANCE UPGRADES
ENGINE REPAIR
SUSPENSION SERVICE & REPAIR
We specialize in 68RFE transmission rebuilds and complete engine repairs for Cummins-equipped trucks, delivering precise work that restores power, reliability, and longevity to heavy-duty drivetrains. We use OEM-quality parts and proven rebuild procedures to ensure each 68RFE transmission exceeds better then factory standards from low-horsepower builds to high-horsepower builds, while Cummins engine repairs are handled with meticulous attention to tolerances, fuel systems, and turbocharging components. In addition to powertrain expertise, we offer professional suspension repair services for all makes and models.
Amazing clients have allowed us to produce work we are proud of
About Our Shop
Diamond Diesel Repair Shop was established in 2025. We deliver dependable heavy-duty maintenance and engine diagnostics for trucks and diesel equipment. Combining modern diagnostic tools with hands-on expertise, the shop handles everything from routine service and fuel-system repairs to 68RFE transmission rebuilds. Focused on minimizing downtime and maximizing fleet reliability, Diamond Diesel Repair offers transparent estimates, timely turnarounds, and a commitment to safety and quality workmanship.