SUNCOAST 68RFE Transmission 2007.5–2018 Cummins

SUNCOAST 68RFE Transmission 2007.5–2018 Cummins — Built for Every Truck

The SUNCOAST 68RFE Transmission 2007.5–2018 Cummins series is engineered for serious truck owners who demand durability, horsepower handling, and real-world towing strength. Whether you're running factory power or pushing 950+ HP, SUNCOAST’s lineup delivers battle-tested performance.

Transmission Options by Power Level

RANGER Series: Stock power range. Perfect drop-in replacement with upgraded clutch packs and valve body for better longevity. Available in 2WD/4WD, with converter (no flexplate).
GUARDIAN Series: Designed for heavy towing and long hauls. Comes in 2WD/4WD, with or without torque converter, and ideal for daily drivers running mild tuning. No flexplate included.
CAT 1 (450–500 HP): Entry-level performance transmission for bolt-on builds and weekend towing. Available in 2WD/4WD, with or without converter (no flexplate).
CAT 2 (500–550 HP): More aggressive clutches and billet upgrades. Designed for tuned trucks balancing towing and track days. Available with or without converter (no flexplate).
CAT 3 (750 HP): Full billet internal upgrades. Race and competition-ready, available in 2WD/4WD, with or without converter, and options for billet flexplate.
CAT 4 (950 HP): Extreme power builds only. Best suited for fully built trucks with compound turbos, high boost, and complete drivetrain upgrades. Available in all configurations.

SUNCOAST 68RFE Transmission Configuration Options

Available for both 2WD and 4WD trucks
Options for with or without torque converter
Variants include with or without billet flexplate
Designed for 2007.5–2018 6.7L Cummins Dodge Ram 2500/3500 trucks
Compatible with all factory transmission mounts and electronics

Why Choose a SUNCOAST 68RFE Transmission for Your Cummins?

Eliminates common 68RFE failures like slipping clutches and broken shafts
Uses SUNCOAST’s proprietary clutch and valve body calibrations
Proven in dyno and real-world testing across thousands of trucks
Optional billet upgrades for converters, input shafts, and flexplates
Each transmission is hand-built and tested in the USA

Installation and Setup Notes

Professional installation is recommended. Power builds over 500HP may require custom tuning, upgraded cooling, or driveshaft work. Make sure to select the correct drivetrain (2WD/4WD) and converter/flexplate options when ordering.

Take your Cummins to the next level with the SUNCOAST 68RFE Transmission 2007.5–2018 Cummins.