RevMax Signature Series 850 68RFE Transmission (2007.5-2018 Ram 68RFE)


These units are built to the most stringent tolerances by one expert technician from beginning to end, and each unit is signed by the technician when finished. This unit is rated at 850HP and has undergone over a year of rigorous R&D and performance testing. We don’t just say we have pride in our transmission, we literally put our name on it.  This transmission features the following:

** Trucks with tires that are larger than 35″ will not be covered under warranty unless proof of a differential gear change is provided **

Disassembly Process and Cleaning

  • Complete disassembly of the entire transmission, all wearable “soft parts” are discarded.
  • Casing and housings are washed in our 190 degree hot wash tank.
  • Hard parts are thoroughly inspected and then either discarded or hand washed
  • Casing is thoroughly checked for any cracks or damage

Upgraded Internals Components

  • Revmax Signature 850 Anodized Inner Billet Input Clutch Housing
  • Revmax Signature 850 Anodized Outer Billet Input Clutch Housing
  • Billet Direct Oiling Input Shaft (patent pending)
  • Billet SFI flexplate
  • Billet RevMax Center Support and 4th Clutch Housing w\ 5 Clutches
  • Billet ZeroFlex 1″ 6061 Billet Valve Body Plate w\ DuaLock filter support.
  • RevMax leak free bonded separator plate that is 2.5x thicker than OEM.
  • Billet Stage 5 Triple Disc 68RFE Torque Converter
  • 5 clutch 2nd clutch with GPZ clutches and kolene steels, custom machined pressure plate.
  • Billet 2nd clutch piston assembly
  • 5 clutch 4th Clutch pack with GPZ clutches
  • Billet 2nd Clutch Piston Assembly
  • Billet 4th Clutch Piston Assembly
  • High Energy Low /Reverse Clutches
  • High Energy Reverse Clutches
  • Revmax High Pressure  Pump
  • Revmax High Pressure  Valve Body
  • Brand New Internal Solenoid Pack
  • Upgraded L/R Sprag to Spring and Roller Design
  • Custom calibrated Revmax performance valve body, fully tested on our computerized valve body dyno
  • Extra deep 4.5 quart additional cast aluminum pan with drain plug
  • Transmission is fully tested for hydraulic and performance integrity on our AMI Hydraulic test stand
  • Billet Filter Screw
  • 2 year unlimited mileage warranty

    © 2023 by American Diesel Power


    (Current Orders or DD214 to qualify)

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