This 57mm x 37mm x 37mm gearmotor is a powerful, high-quality motor with 100:1 metal gearbox intended for operation at 12 V. These units have a 15mm-long, 6 mm-diameter D-shaped output shaft..
Specification:
at 12V
-100 RPM
-300 mA free-run
-16 kg-cm stall torque
-5 A stall current
at 6V
-50 RPM
-250 mA free-run
-8 kg-cm stall torque
-2,5 A stall current