30:1 Micro Metal GearMotor HP 6V
This gearmotor is a miniature high-power, 6 V brushed DC motor with a 29.86:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.
No load performance
1000rpm, 0.57kg.cm stall torque