Model 1246 Wheel Torque Sensor, 20K lb-in to 200K lb-in, 0.25 % Non-linearity and Hysteresis, Speed Sensor (optional), “At-the-Source” Torque Measurement. The automobile wheel torque sensor is designed to be bolted to the brake drum or spindle of a car or truck in place of the regular wheel. The wheel is then bolted to the torque sensor. This moves the wheel outward approximately 1-1⁄2 inches from its original location. A slip ring or rotary transformer assembly is provided to connect the torque sensor to an instrument in the vehicle. The sensor is normally furnished with one adapter plate for one given stud pattern. Also, on some models, a dc tachometer or 60-tooth gear and magnetic pickup generator can be supplied which provides a signal proportional to wheel speed. Standard capacity ranges of 20K, 30K, and 36K in-lb, others available upon request.