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 and heavy-duty reliability, the StreetMonster 6R140 handles up to 1,000 lb-ft of torque with buttery-smooth shifting and rock-solid durability. Whether towing, hauling, or cruising, this transmission offers seamless power delivery and dependable performance.
With advanced electronic controls, wide gear ratios, and efficient cooling, the StreetMonster 6R140 ensures superior drivability and fuel efficiency. Perfect for heavy loads or daily driving, this transmission is built to handle it all with strength and reliability.
This StreetMonster Transmission is exclusively manufactured to Monster Transmission’s exact specifications by our strategic manufacturing partner, BD Diesel. These units are not built in-house by Monster Transmission and are not available through any other vendor
WARRANTY
Note
- 3 Year Warranty Unlimited Miles
NOTE
- 2WD applications require the yoke adapter and rear mount bracket be transferred over during installation
- Ford scanner required to update the TCM with the new solenoid code and initiate a relearn - very critical component to make sure the transmission works properly
- Will not fit early 2011 trucks with 8-bolt flex plate – will have to update to 6 bolt flex plate.
- Built exclusively to Monster Transmission specifications by BD Diesel. Not assembled in-house or sold by other vendors.
