07.5-18 Ram 6.7L Cummins WP Dev 68RFE 900HP Transmission

Please note: A 5% cancellation fee will be charged for canceled WP Developments transmissions after purchase.
If lead time is a concern, please contact us BEFORE making your purchase to avoid a cancellation fee. 

68RFE 900 HP Transmission Features
For 2007.5-2018 RAM 2500, RAM 3500 Pickup trucks only. Includes torque converter.

• Sonnax 16 clutch surface OD drum
• Sonnax Input
• WPD Valve body- Revmax billet channel plate, NEW OEM white solenoid, Sonnax/transgo oversized switch valve, billet accumlators, extra thick accumulator plate
• Reman WPD pump assembly- oversized valves installed when fail of Vacuum test, new Sonnax inner gear
• OEM seals and new front pump cover
• Filters with steel insert
• Billet Flexplate
• WP- 15ss/17ss torque converter
• Revmax Billet Center support

68RFE Transmission 800 HP Performance Advantages
Our 900 horsepower 68RFE transmission rebuild is designed to handle muck more additional power than 68RFE factory OE design. We have proven the 68RFE's performance capabilities in keeping up with Cummins powered engines through extensive testing, racing, and data logging on our own RAM trucks. This build addresses OE overdrive failure and incorporates the Sonnax Overdrive clutch drum with an extra capacity stack up that includes 16 friction surfaces.

WP Developments transmissions proudly carry a 2 year parts warranty.
For further details on the warranty, please view the warranty page- Click here

Please note- Trucks running 37" or larger tires require 4.10 or a numerically higher gear ratio to carry a warranty. 

68RFE Transmission Core Charge Policy

$2,000 core charge added at check out and will be refunded when returned in whole with no damage. The following deductions will be made to the $2,000 charge when there is damage to one or more of the following, but charges will not exceed the $2,000 core.

- WP Transmission Core $2,000
- Convertor $500
- Pump $500
- Valve Body $500
- Case $1,500
- Shipping Crate $500

ALL trucks are required to have aftermarket transmission tuning for proper transmission operation and warranty. 

Transmission Tuning requirements:
-225PSI Line pressure
-100psi resting line pressure
-120PSI exhaust brake line pressure
-Mandatory relearns after VB/trans install
-Extend shift points roughly 10% in the 3-4, 4-5, 5-6
-Good engine tunes makes a good transmission tune
-Locked shifts
-Line pressure gain in gears 4-6 needs to .448

WP Developments: WPD-68RFE-900