DIESELR SunCoast 68RFE Transmission (2019+ 6.7L Cummins)

The SunCoast 68RFE Transmission Line for 2019+ 6.7L Cummins trucks is engineered to solve the factory weak points while offering unmatched reliability and strength. From stock replacement units to full competition builds, SunCoast’s Ranger, Guardian, and Category series provide options tailored for daily driving, towing, or high-horsepower applications. Each unit is hand-assembled, vacuum-tested, and built with premium internals to deliver long-term durability under real-world use.

Whether you’re looking for a reliable stock replacement or a transmission capable of handling 950HP+ builds, SunCoast has you covered.

🔧 Available Variants

• 68RFE Ranger – Stock replacement with converter (2WD / 4WD)
• 68RFE Guardian – Heavy-duty unit, no converter (2WD / 4WD)
• 68RFE Guardian Towing – Heavy-duty towing with converter (2WD / 4WD)
• 68RFE CAT 1 (450HP) – Performance transmission, with or without converter (2WD / 4WD)
• 68RFE CAT 2 (500HP) – Higher-strength build, with or without converter (2WD / 4WD)
• 68RFE CAT 3 (750HP) – Race-ready transmission, with or without converter (2WD / 4WD, flexplate options)
• 68RFE CAT 4 (950HP) – Extreme performance transmission, with or without converter (2WD / 4WD, flexplate options)