15:1 Micro Metal Gearmotor HPCB 12V

A small, high-power motor with a 30:1 metal gear, 12 V operating voltage, 0.06 A to 0.75 A power consumption, 1100 RPM speed, maximum torque of 0.39 kg*cm and carbon brushes with increased durability. Pololu 3038

100:1 Micro Metal Gearmotor HP

Small metal gear motor, 50 RPM speed, 3V operating voltage. GA12-N20-0001

75:1 Micro Metal Gearmotor HP with Extended Motor Shaft

Pololu high power miniature motor with carbon brushes. 150:1 gear motor, shaft speed 220 rpm, torque 1,8kg*cm. The motor has an extended shaft, which makes it easy to attach the encoder. Pololu 3053

30:1 Micro Metal Gearmotor HP

This gearmotor is a miniature high-power, 6 V brushed DC motor with a 986.41:1 metal gearbox, making it a great choice for applications requiring fine control at very low speeds. 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. This version also has a 4.5 × 1 mm extended motor shaft.

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 9.96:1 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.

A small, high-power motor with a 50: 1 metal gear, 6 V operating voltage, 0.1 A to 1.5 A power consumption, 650 RPM, a maximum torque of 0.74 kg * cm and carbon brushes with increased durability. Pololu 3063

210:1 Micro Metal Gearmotor

A small medium-power motor with a 1000: 1 metal gear, 6 V operating voltage, 0.04 A to 0.67 A power consumption, 22 RPM, a maximum torque of 6.5 kg * cm and a double-sided shaft. Pololu 3059