36 Volt 600 Watt MY1020Z Gear Reduction Electric Motor with 10 Tooth. 36 volt 600 watt 480 rpm. 10 Tooth #40 chain sprocket. MY1020Z motor with gear reduction. Specifications: Model: MY1020Z Voltage: 36 volt DC Rated Current: 21.4 amps Rated Speed: 480 RPM Sprocket: 10 tooth #40 chain Output: 600 watts Length of wires: 24" Mounting Bracket: 4-5/8" X 2-3/4.