Specifications
The 6R140 transmission is a heavy-duty, six-speed automatic transmission developed by Ford to meet the extreme demands of Super Duty trucks and commercial-grade applications. Built to handle high torque outputs from both diesel and large-displacement gas engines, the 6R140 features reinforced internal components, a robust torque converter, and advanced electronic controls that ensure precise, smooth shifting even under heavy loads. Its wide gear ratio spread improves low-speed pulling power while maintaining efficient highway cruising, making it ideal for towing, hauling, and severe-duty work conditions.
Designed with enhanced cooling and thermal management, the 6R140 delivers consistent performance in high-stress environments, reducing wear and extending service life. Known for its strength, reliability, and refined operation, the 6R140 transmission provides the durability and confidence required for demanding work trucks, fleet vehicles, and heavy-duty performance applications.
Transmission Variants
Ford F-250 Super Duty (2011–Present | 6.7L Diesel, 6.2L Gas)
The Ford F-250 Super Duty equipped with the 6R140 transmission delivers exceptional towing strength and reliability for heavy-duty work and recreational hauling. Paired with the powerful 6.7L Power Stroke diesel or the 6.2L gas engine, it provides smooth shifting, strong low-end torque, and long-lasting performance under demanding conditions.
Ford F-350 Super Duty (2011–Present | 6.7L Diesel, 6.2L Gas, E-Series Vans)
Designed for higher payloads and commercial workloads, the F-350 Super Duty benefits from the 6R140’s reinforced design and advanced control system. Whether used for towing, utility, or fleet operations, it ensures durability, consistent power delivery, and dependable performance in severe-duty applications.
Ford F-450 Super Duty (2011–Present)
The F-450 Super Duty utilizes the 6R140 transmission to manage extreme torque and heavy towing demands with confidence. Engineered for maximum stability and control, it delivers smooth gear transitions and superior thermal management, making it ideal for large trailers and professional-grade hauling.
Ford F-550 Super Duty (2011–Present)
In the F-550 Super Duty, the 6R140 transmission supports chassis-cab and upfit applications where reliability is critical. Built for continuous heavy loads, it offers robust performance, efficient power transfer, and long service life for commercial and vocational use.
Ford E-Series Vans (E-350 and select models, 2011–Present)
Select Ford E-Series Vans equipped with the 6R140 transmission benefit from enhanced durability and smooth operation for cargo and passenger transport. Its heavy-duty construction ensures dependable performance for delivery, shuttle, and service vehicles operating in demanding environments.
Frequently Asked Questions
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Which vehicles use the 6R140 transmission?
Fits 2011–2016 Ford Super Duty trucks (F-250, F-350, F-450) with diesel or gasoline V8 engines.
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Are these 6R140 transmissions used or rebuilt?
All units are tested used transmissions, verified for reliability and performance
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Does the 6R140 transmission come with a warranty?
Yes, every TorqShift comes with a warranty for peace of mind
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Can it handle towing and heavy loads?
Yes, the 6R140 is designed for high torque and heavy-duty applications, perfect for towing and hauling.
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Is the 6R140 ready for direct installation?
Absolutely. All transmissions are OEM-fit and tested, ready for immediate installation.
6R140 Transmission
