Overview Product Description 1/10 HP 12 VDC Voltage 11.5Amps 163:1 Gear Ratio 400 IN/LBS Run Torque 3 3/8" x 3 3/8" square bolt pattern 1.27" shaft length (exposed) .75" diameter shaft with .25" roll key hole 5/16" x 18 thread mount holes CROSS REFERENCES: K01389-A300 Product Videos Custom Field Product Reviews