WPD-10R140-SS Transmission 600 HP Super Stock
WPD-10R140-SS
WP Developments 10R140
Heavy Duty Super Stock | 600 HP Rated
The WP Developments 10R140 Heavy Duty Super Stock Transmission is engineered for up to 600 horsepower while maintaining OEM-level drivability and exceptional durability under severe towing and work-truck conditions. This unit is purpose-built for customers who demand increased power capability beyond stock. Designed to address known 10R140 weaknesses, this transmission features optimized hydraulic control to deliver consistent holding power, stable line pressure, and controlled shifts under high load.
Performance & Towing Capability:
600 HP rated for tuned and modified diesel applications
Built for heavy-duty towing and your common workhorse.
Increased clutch and steel capacity to prevent slip under sustained load
Firm, predictable shifts under throttle without harsh daily-driving behavior
Enhanced cooling support for long-duration towing and high GVWR operation
Key Components & Upgrades:
OEM Friction stack up
Raybestos Steel Module for superior heat resistance
New updated seal kit to maintain hydraulic integrity at elevated power
WPD Valve Body calibrated for consistent shifts under light to heavy load conditions.
Updated CDF Drum to correct OEM failure points to fix the possibility of the “walked” bushing.
New Main Pump for consistent pressure under power
New OEM Internal Wiring Harness
OEM Transmission Cooler to ensure the old debris can not contaminate the new transmission.
WP Developments HD 10R140 Torque Converter
Ideal For:
600 HP and lower builds
Heavy towing and work trucks
Ready to be tuned for daily drivers requiring strength
Customers seeking a stronger-than-stock 10R140 with long-term reliability
The WP Developments 10R140 Heavy Duty Super Stock transmission delivers dependable performance where power and load demand meet—built to work hard and last. We do require a WP Developments approved TCM file to get full drivability and longevity out of the Super Stock 10R140.
2 year unlimited mile workmanship warranty that can be found at this link: https://www.wp-developments.com/faq
Warranty Disclaimer
By purchasing this product, you acknowledge and agree that the transmission selected is appropriately rated for your vehicle’s current power level. Exceeding the advertised power rating of the transmission will void the warranty in its entirety. You accept full responsibility for any resulting product failure or damage due to overpowering the unit and accept full responsibility for any associated costs or consequences. Additionally, all TCM calibrations must be certified by WP-Developments to maintain warranty coverage.

