2017-2019 F250 & F350 6.7L Powerstroke Complete Transmissions

The 6R140 transmission helping to power your 2017-2019 F250 or F350 6.7L Powerstroke along is actually pretty stout, but years on the road and the huge levels of power than even a few simple performance modifications can bring can cause failures or other issues. Tier One's selection of built 2017-2019 Super Duty transmissions will not only get your F250 or F350 back on the road, they'll do it with the reliability and power-holding capability you need to dominate on the street, out on the trail, or down at your local drag strip. We have everything from more basic uprated stock replacement 6.7L Powerstroke replacement transmissions to race-ready Super Duty competition transmissions that can handle applications of over 1000 horsepower without breaking a sweat. Make sure to also check out our 2017-2019 Super Duty Transmission Coolers or our 2017-2019 Super Duty Transmission Kits!