Karcher 8.639-763.0, 12" brush strip, (standard on Sensor S2 12 HEPA)
24vdc 2 Stage vacuum motor.Fits Tennant A3, T3, T3+, T3 Orbital AND Nobles Speed Scrub 17-24, SS3.
Fits Aftermarket Tennant 1023271
This part is listed as fitting the following models: