EV-TORQUEBOX  (ev Gear box /transmission)    

The first application Torque Trends, Inc. (TTI) developed for its product, the ev-TorqueBox (ev gear box/transmission),  is for the completely integrated bolt-on plug and play electric drivetrain package. This is specifically for the electric conversion of late model Ford F-Series Trucks.

TTI offers ev gear box /transmission design, development and consulting to meet your specific needs.

For more information, call (623) 755-8214


  • ev-TorqueBox: $3,495

        (includes billet adapter & splined coupler)​

  • Park Lock (optional): $495

  • Billet Slip Yoke (optional): $180; or

        Cast Slip Yoke (optional): $80


619 504 6218



ev-TorqueBox/Motor Packages available  with the following motors:

  • UQM PP135

  • UQM PP135 High Speed

  • UQM HD 220

  • UQM HD 250

All UQM motors are liquid cooled and come with a matched liquid cooled inverter.

Other ev-TorqueBox/Motor Packages available: 

  • Parker 100kW

  • HPEVS most motors

  • Siemens 135kW short shaft

  • Netgain HyPer9

Others in development.


Call for current prices and special offers.


619 504 6218




Dual motor ev gear box/transmission design, prototype currently in development. Testing will begin first quarter of 2020.

Actual unit is built with quiet helical gears. Can be adapted to most popular motors used today. 

Fits behind TH400/4L80-4x2 Transmissions

The Problem
Larger diameter tires on race trucks require higher numerical ring and pinion ratios — the higher the ratio, the less strength. Under tough race conditions, it isn’t unusual for the ring and pinion to fail. This kind of failure can be extremely costly, and not just because you lost a race. Replacement is expensive.

The rx-TorqueBox Solution
The rx-TorqueBox is the solution — with its sheer brute strength, it will create the perfect gearing combination to prevent catastrophic failure — no matter what size tires you are running. Designed specifically for the pounding a vehicle can take in off-road racing, from Baja to Dakar and everything in between. This high endurance unit will see your truck across the finish line every time. This reduction gear box is Torque Tough to the Extreme!​

4x2 Two (2) Wheel Drive Truck
rx-Torque Box 400-0001
300M Rolled Spline Output Shaft
extreme duty


$5695 includes billet 1480 yoke


619 504 6218

16483 N 165th Ave. Surprise AZ 85388

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