The slip-ring type 6-component wheel force measuring system is composed of the 6-component wheel force transducer SLW-NC as the sensor and the 6-component force analyzer MF-660 as the measuring device. The analyzer MF-660 is an ultracompact model at 160 (W) × 25 (H) × 75 (D) mm. Settings and monitor display are by computer, and control is possible of up to 4 analyzers.