
The BD Diesel RoadMaster 10R80 Transmission is your bulletproof solution for 2018–2020 Ford F-150 2.7L and 3.5L EcoBoost trucks (4WD only). Designed to eliminate the OEM weak points and increase transmission longevity, this drop-in replacement features a brand-new modified valve body, revised CDF drum, and deep sump pan. It's a perfect fit for stock or mildly upgraded vehicles, offering smooth shifts, improved durability, and cooler running temperatures. Say goodbye to shift delays and common 10R80 failures.
Increased line pressure by ~30% for better clutch engagement
Revised CDF drum eliminates internal sleeve failure
Deep sump pan adds 2 quarts of extra fluid for cooler temps
New OEM clutches and steels for improved reliability
Drain plug for easy fluid flush; temp sensor port included
Smooth, quick shifts with improved drivability
Does not fit Raptor or Roush models
Converter sold separately (see Part: 1064614SS for full package)
(BD Diesel Transmissions only have warranty when running a BD Trans & Converter)
2018–2020 Ford F-150 2.7L EcoBoost (4WD)
2018–2020 Ford F-150 3.5L EcoBoost (4WD)
2018–2021 Ford Expedition 3.5L EcoBoost (4WD w/ conventional shifter only)
BD RoadMaster 10R80 Transmission Assembly
Deep Sump Transmission Pan (pre-installed)
Modified OEM Valve Body
Internal Clutches, Steels, and Hardware
Note: This listing does not include the torque converter. For the complete transmission & converter package, see Part #: 1064614SS
BD Diesel’s transmissions are more than just replacements—they’re engineered upgrades. Every unit is carefully assembled to correct known factory failures and improve drivability, especially under towing or tuned conditions. Trusted for their durability and backed by a 2-year parts warranty, BD transmissions are dyno-tested and street-proven.