Buehler 12VDC motor model 11307520400. Large, 3" diameter, 4.75" length - hi-torque (304Ncm stall torque) motor is ideal for a multitude of robotic and model applications. Originally intended for use in linear actuator application. No load speed is 6000 rpm and stall current is 160A. Reversible. Click the more info icon for full specs and drawing. Click photo for larger image. The slotted output shaft is ¼" diameter x 5/8" long. The motor weighs 6 pounds. This is an exceptional motor. TS189 - 890 in stock