Clutch - Sanden Style (2 groove 5.22" pulley). PART NO: A-72215919. Pulley Dia.5.22" Pulley Grooves2 X dim.507" Y dim1.086". . MODELS: Allis-Chalmers TRACTOR: 7650 Allis-Chalmers TRACTOR: 8610 Allis-Chalmers TRACTOR: 9170 Allis-Chalmers TRACTOR: 9190.