Ford Super Duty 6R140 Transmissions & Transmission Parts

The mighty 6.7L Powerstroke V8 under the hood of to your 2011-2019 F250 or F350 can make immense levels of horsepower and torque with only a few mods, but the stock 6R140 automatic transmission behind it can struggle to keep up. Tier One's built 6R140 transmissions for the 2011-2019 Super Duty trucks can handle fare more horsepower and torque than the factory transmission, which lets you stack on serious Powerstroke tuning and performance modifications with impunity. Tier One's 6R140 transmissions may be strong, but they also provide excellent shifting and drivability so that you can still use your tough Powerstroke truck on the street. Our Super Duty transmissions can handle everything from heavy towing to tough off-roading to sled pulls to drag racing, letting you push your Super Duty to the limit on and off the road. Make sure to also check out our 6R140 rebuild kits or our other Super Duty performance parts and accessories! Contact Tier One with questions or for custom builds!