Ford 6R140 Rear Planet Assembly with Bearings & Sun Gears (2011-Up)
The Ford 6R140 rear planet assembly with bearings and sun gears is a vital component for vehicles equipped with the 6R140 6-speed automatic transmission from 2011 and up. This rear planetary gear set transfers torque to the output shaft while maintaining smooth gear engagement and balanced load distribution. Equipped with precision bearings and sun gears, this assembly ensures long-term durability and reliable performance under heavy-duty conditions.
Over time, worn planetary gears, damaged bearings, or sun gear issues can cause slipping, noise, harsh engagement, or premature transmission wear. Replacing the 6R140 rear planet assembly restores proper torque transfer and improves gear operation. Installing a new assembly during a rebuild also protects clutches, output shafts, and other internal components, ensuring smooth and consistent shifts.
This rear planetary assembly is designed specifically for Ford 6R140 transmissions. Always verify your vehicle’s transmission code before ordering, as similar Ford 6-speed units, such as the 6R80, use different internal configurations. Proper identification ensures correct fitment, optimal torque distribution, and long-lasting performance.
For best results, pair this assembly with a full rebuild kit, new thrust washers, seals, and friction components. Customers can also explore related parts on our site, including 6R140 rebuild kits, valve bodies, hard parts, and torque converters, to complete a full transmission service.
Vehicle Compatibility
Ford Applications
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F-250 / F-350 / F-450 Super Duty (6.7L Power Stroke Diesel): 2011–2024
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F-550 / F-600 Super Duty (6.7L Diesel): 2011–2024
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Ford Excursion (Diesel models): 2011–2014
Fitment Notes
This rear planet assembly fits 6R140 transmissions only. Always confirm the transmission code, engine type, and model year before purchase. Proper verification ensures correct torque transfer, smooth gear engagement, and long-term transmission life.
Consult official Ford service documentation for installation procedures and torque specifications.
Below is the link to the 6R140 Transmission Diagram!
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