Randy's Transmissions 98765257 68RFE Transmission Stage 4 1000+HP RAM 13-18 6.7L Cummins

Our stage four is the transmission for those who are focused on street performance. You’ll have peace of mind with the stage four; which includes our ‘Babymaker’ series billet valve body, increased clutch capacities throughout, billet internals, billet input shaft, and a triple disc torque converter or optional XHD Quad Disc Converter- just to name a few things.

With its 1000+ Horsepower rating, it is ready to handle the power made by your truck and the antics you may want to do with it.

Transmission Build Specs:

• Babymaker1000 valve body with Billet channel plate, Transgo SSV valves, billet accumulators, and cover providing 3 additional bolts
• OE Mopar solenoid block
• Randy's built Triple Disc or optional Quad Disc XHD Series Billet Converter - Made in house
• PR valve, TCC limit valve, Pump bushing and new gears when warranted.
• Pumps are vacuum tested and replaced as required
• Sonnax input shaft
• Revmax XR input drum
• 2C power-packed with billet piston
• 14 L/R clutches
• Bonded pistons
• Low/Reverse HD Sprag update
• Tig welded Low Reverse planet
• Revmax Billet 4th clutch hub with longer spline
• Revmax Custom machined Steel center support with 5 4c clutches and billet piston
• New Sonnax Bearings
• Bushings spec'd and replaced as required
• OE Mopar Line Pressure Sensors
• OE Mopar Speed Sensors
• Steel spin on filter adapter
• New Spin On Filter
• New Push On Filter
• HD Cast aluminum deep pan

THIS IS THE INFORMATION YOUR TUNER WILL NEED TO PROPERLY TUNE FOR THE BABYMAKER:

• LINE PRESSURE SET TO 225PSI ABOVE 30% THROTTLE ANGLE

• 100PSI RESTING PRESSURE

• NO LOCKUP UNTIL 4TH GEAR

• LOW/REVERSE SPRAG HOLDOUT

• FOR 2019+, UNDERDRIVE PULSE TEST MUST BE TURNED OFF.

*Appropriate gear ratios*

• 35" tire min gearing is 3:73 recommended 4:10
• 37" tire min gearing is 4:10 recommended 4:30
• Larger than that should be running a 4:56 ratio