AD 56183575 115V, 1.5hp, 1500rpm Brush Drive Motor for Nilfisk Advance Floor Scrubbers and Burnishers. Heavy duty high speed brush drive motor with keyed shaft. Fits many Nilfisk Advance high speed floor scrubbers, burnishers and buffers including Whirlamatic VS20. One motors required per unit. Priced Each. Replaces Nilfisk Advance 56183575. Our Part Number AD 56183575