Every Monster 6R140 is professionally remanufactured with application-matched calibration: upgraded friction materials, precise clearances, and valve-body strategy tuned for towing and heat control. All 6R140s include a matched converter that pairs lockup strategy to your duty cycle for cooler temps and confident hill pulls.
Choose the Right Build
RoadReady = stock power & maintenance. StreetMonster = towing/daily with mild tune. SportMonster = heavy tow & tuned rigs. TrackMonster = competition and big power. If tires/gear ratio or tuning add load, step up one level.
Fitment Notes
Designed for many 2011–2019 Ford Super Duty F-250/F-350/F-450 (6.7L diesel & 6.2L gas). Available with and without PTO provision. All units ship set up for 4WD; 2WD applications require transferring the yoke adapter and rear mount bracket during installation.
FAQs: Install, Tuning & Coverage
Cooler flush? Always flush/replace the cooler and lines to protect the new unit and warranty.
Torque converter? Each 6R140 package includes a matched converter.
Warranty & protection? Warranty length is model-specific (see bullets above). Extended protection is included and continues coverage after the Monster term.
Core return? Core charges/returns may apply; follow instructions provided after purchase for fast credit.
*Horsepower ratings are guidelines; vehicle weight, tires, gearing, and tuning affect capacity. When in doubt, step up a level.
Take control of the road with the StreetMonster 6R140 transmission, the TorqShift—a 6-speed automatic designed for Ford Super Duty trucks like the F-250, F-350, and F-450. Engineered for everyday performance...
Dominate any challenge with the SportlMonster 6R140 transmission, a 6-speed automatic powerhouse for heavy-duty trucks and high-torque diesel engines. Known for its unmatched durability and exceptional performance, the 6R140 is...
Dominate the road or track with the TrackMonster 6R140 transmission, the TorqShift—a high-performance 6-speed automatic built for Ford Super Duty trucks like the F-250, F-350, and F-450. Designed to handle...
Built for Ford Super Duty workhorses (F-250, F-350, F-450), the RoadReady 6R140 is a 6-speed automatic designed for high-torque diesel applications and serious workloads. Expect smooth, controlled shifts, a wide...
