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.
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.
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.
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.
