PB 740031 36V, 2-Stage Vacuum Motor for Hako, Minuteman, and Power Boss Floor Scrubbers. 36V DC, 2-Stage vac motor with a 1-1/2" diameter base and side discharge tube. Fits older Minuteman 26B and 32B walk behind scrubbers (MC833742, MC833471, MC833473, MC833475, MC833480, MC833930) and others. One vacuum motor required per unit. Priced Each. Replaces Minuteman 740031. Our Part Number PB 740031.