6R140 Transmission HD Tow 600HP

## WP Developments 6R140 HD Tow Transmission – Rated for 600 HP

Your truck isn’t a race truck—it earns its keep. Whether you’re towing a fifth wheel across the country, hauling equipment every day, or putting in long hours with a loaded trailer, your transmission needs to be built for durability, not just horsepower.

The WP Developments 6R140 HD Tow Transmission was engineered specifically for hardworking Ford Super Duty trucks making up to 600 horsepower. Instead of simply rebuilding worn factory components, we upgrade the areas that matter most to improve clutch holding power, reduce heat, and increase long-term reliability under heavy loads.

Every transmission is hand-built in the USA using proven components, thoroughly inspected, and paired with our WPD Towing Valve Body and billet quad-disc torque converter to provide crisp shifts, better converter lock-up, and dependable performance whether you’re pulling through the mountains or driving unloaded around town. The build includes upgraded clutch capacity, a remanufactured pump assembly, new OEM seals, updated bushings, and new Torrington bearings to ensure your transmission is ready for years of service.

Unlike many “stock replacement” transmissions, this unit is designed with real-world towing in mind. It maintains excellent street manners while providing the confidence to tow heavy without worrying about premature clutch wear or converter failure.

### Features

* Rated for up to 600 HP
* Heavy-duty clutch stack upgrades
* WPD Towing Valve Body
* WPD Billet Front Cover Quad-Disc Torque Converter
* Remanufactured pump assembly
* New OEM seal kit
* Updated bushings throughout
* New Torrington bearings
* Hand built and tested in the USA
* Backed by our 2-Year Unlimited Mile Warranty*

### Perfect For

* Daily driven Power Stroke trucks
* RV and fifth-wheel towing
* Hotshot applications
* Construction and work trucks
* Fleet vehicles
* Customers looking for a transmission that will outlast a factory replacement