DC12V 24V A5882-50ZY Large Torque Turbo Worm Gearbox Speed Reduction Gear Motor. Note: Different parameters’ motors hav. E their different looks. The lower speed and higher voltage are, the larger the torque is. Please read the par. If the row of the “Torque” was marked as “ban” in the parameters table, the motor can’t allow to be stalled. No-Load Speed: 1.5RPM, 3RPM, 6RPM, 9RPM, 12RPM, 18RPM, 24RPM, 35RPM, 42RPM, 68RPM, 80RPM, 120RPM, 150RPM, 190RPM, 310RPM, 440RPM. No-Load Speed: 1.5RPM, 3RPM, 6RPM, 9RPM, 12RPM, 18RPM, 24RPM, 35RPM, 50RPM, 70RPM, 90RPM, 120RPM, 150RPM, 190RPM, 310RPM, 440RPM. Output Shaft Diameter: 10mm D-type. Output Shaft Length: 20mm. Motor Body Length: 78mm. Gearbox Size:82.55844mm. About gearbox size detail, please see the picture. Depends on your choice! There are NO EXCEPTIONS! OR, you may choose to have a replacement. We will reply you ASAP. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have.