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Pololu Metal Gearmotors

Pololu metal gearmotors arranged by size from left to right: micro, 100:1 and 24:1 mini, 35:1 mini, and 25:1 20Dx44L mm.

We offer a wide, and growing, selection of high-quality metal gearmotors that will let you choose the optimal torque and speed for your application. In particular, our micro metal gearmotors come in nine different gear ratios and with two different motors: a high-power (HP) version and a low-current version. The following link will take you to a parametric comparison table that can help you find metal gearmotor that is just right for your project:

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Pololu item #: 1000
Price: $15.95

5:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 5:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 6000 RPM and 120 mA free-run, 2 oz-in (0.1 kg-cm) and 1.6 A stall.

Pololu item #: 1100
Price: $15.95

5:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 5:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 2500 RPM and 50 mA free-run, 1 oz-in (0.1 kg-cm) and 0.36 A stall.

Pololu item #: 999
Price: $15.95

10:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 10:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 3000 RPM and 120 mA free-run, 4 oz-in (0.3 kg-cm) and 1.6 A stall.

Pololu item #: 1099
Price: $15.95

10:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 10:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 1300 RPM and 40 mA free-run, 2 oz-in (0.2 kg-cm) and 0.36 A stall.

Pololu item #: 1093
Price: $15.95

30:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 30:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 1000 RPM and 120 mA free-run, 8 oz-in (0.6 kg-cm) and 1.6 A stall.

Pololu item #: 993
Price: $15.95

30:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 30:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 440 RPM and 40 mA free-run, 4 oz-in (0.3 kg-cm) and 0.36 A stall.

Pololu item #: 998
Price: $15.95

50:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 50:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 625 RPM and 100 mA free-run, 15 oz-in (1.0 kg-cm) and 1.6 A stall.

Pololu item #: 1098
Price: $15.95

50:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 50:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 250 RPM and 40 mA free-run, 6 oz-in (0.4 kg-cm) and 0.36 A stall.

Pololu item #: 1101
Price: $15.95

100:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 100:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 320 RPM and 80 mA free-run, 25 oz-in (1.8 kg-cm) and 1.6 A stall.

Pololu item #: 992
Price: $15.95

100:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 100:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 120 RPM and 40 mA free-run, 10 oz-in (0.7 kg-cm) and 0.36 A stall.

Pololu item #: 997
Price: $15.95

150:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 150:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 200 RPM and 70 mA free-run, 45 oz-in (3.2 kg-cm) and 1.6 A stall.

Pololu item #: 1097
Price: $15.95

150:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 150:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 85 RPM and 40 mA free-run, 15 oz-in (1.1 kg-cm) and 0.36 A stall.

Pololu item #: 996
Price: $15.95

210:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 210:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 140 RPM and 70 mA free-run, 65 oz-in (4.7 kg-cm) and 1.6 A stall.

Pololu item #: 1096
Price: $15.95

210:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 210:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 60 RPM and 40 mA free-run, 19 oz-in (1.3 kg-cm) and 0.36 A stall.

Pololu item #: 995
Price: $15.95

250:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 250:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 120 RPM and 70 mA free-run, 75 oz-in (5.4 kg-cm) and 1.6 A stall.

Pololu item #: 1095
Price: $15.95

250:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 250:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 50 RPM and 30 mA free-run, 22 oz-in (1.6 kg-cm) and 0.36 A stall.

Pololu item #: 994
Price: $15.95

298:1 Micro Metal Gearmotor HP

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, high-power motor with 298:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 100 RPM and 70 mA free-run, 90 oz-in (6.5 kg-cm) and 1.6 A stall.

Pololu item #: 1094
Price: $15.95

298:1 Micro Metal Gearmotor

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-quality, low-current motor with 298:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, D-shaped output shaft.

Key specs at 6 V: 45 RPM and 30 mA free-run, 25 oz-in (1.8 kg-cm) and 0.36 A stall.

Pololu item #: 1091
Price: $17.95

35:1 Mini Metal Gearmotor

This gearmotor is a compact (1.50" x 0.59" x 0.47"), high-quality motor with 35:1 metal gearbox. These units have a 0.365"-long, D-shaped output shaft that matches the micro metal gearmotor output shafts.

Key specs at 6 V: 350 RPM and 70 mA free-run, 35 oz-in (2.5 kg-cm) and 1.5 A stall.

Pololu item #: 991
Price: $17.95

24:1 Mini Metal Gearmotor

This high-quality metal gearmotor is a compact (1.26" x 0.63" x 0.63") motor with an enclosed 24:1 metal gearbox. These units have a 0.275"-long, D-shaped output shaft.

Key specs at 6 V: 410 RPM and 70 mA free-run, 4 oz-in (0.3 kg-cm) and 0.42 A stall.

Pololu item #: 990
Price: $17.95

100:1 Mini Metal Gearmotor

This high-quality metal gearmotor is a compact (1.26" x 0.63" x 0.63") motor with an enclosed 100:1 metal gearbox. These units have a 0.275"-long, D-shaped output shaft.

Key specs at 6 V: 140 RPM and 90 mA free-run, 15 oz-in (1.0 kg-cm) and 0.8 A stall.

Pololu item #: 1092
Price: $19.95

25:1 Metal Gearmotor 20Dx44L mm

This 1.71" x 0.80" x 0.80" gearmotor is a high-quality motor with 25:1 metal gearbox that has the power to deliver both speed and torque. These units have a 0.276"-long, 4 mm-diameter D-shaped output shaft.

Key specs at 6 V: 500 RPM and 250 mA free-run, 40 oz-in (2.9 kg-cm) and 3.3 A stall.

Pololu item #: 1108
Price: $19.95

67:1 Metal Gearmotor 20Dx45L mm

This 1.77" x 0.80" x 0.80" gearmotor is a high-quality motor with 67:1 metal gearbox that has the power to deliver both speed and torque. These units have a 0.276"-long, 4 mm-diameter D-shaped output shaft.

Key specs at 6 V: 210 RPM and 250 mA free-run, 57 oz-in (4.1 kg-cm) and 3.3 A stall.

Pololu item #: 1109
Price: $19.95

154:1 Metal Gearmotor 20Dx47L mm

This 1.85" x 0.80" x 0.80" gearmotor is a high-quality motor with 154:1 metal gearbox that has the power to deliver both speed and torque. These units have a 0.276"-long, 4 mm-diameter D-shaped output shaft.

Key specs at 6 V: 90 RPM and 250 mA free-run, 122 oz-in (8.8 kg-cm) and 3.3 A stall.

Pololu item #: 1085
Price: $15.95

25:1 Metal Gearmotor 20Dx42L mm LP

This 1.64" x 0.80" x 0.80" gearmotor is a high-quality, low-current motor with 25:1 metal gearbox. These units have a 0.276"-long, 4 mm-diameter D-shaped output shaft.

Key specs at 6 V: 470 RPM and 60 mA free-run, 7 oz-in (0.5 kg-cm) and 0.58 A stall.

Pololu item #: 1102
Price: $24.95

19:1 Metal Gearmotor 37Dx52L mm

This 2.05" x 1.45" x 1.45" gearmotor is a powerful, high-quality motor with 19:1 metal gearbox intended for operation at 12 V. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft.

Key specs at 12 V: 500 RPM and 300 mA free-run, 84 oz-in (5 kg-cm) and 5 A stall.

Pololu item #: 1103
Price: $24.95

29:1 Metal Gearmotor 37Dx52L mm

This 2.05" x 1.45" x 1.45" gearmotor is a powerful, high-quality motor with 29:1 metal gearbox intended for operation at 12 V. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft..

Key specs at 12 V: 350 RPM and 300 mA free-run, 110 oz-in (8 kg-cm) and 5 A stall.

Pololu item #: 1104
Price: $24.95

50:1 Metal Gearmotor 37Dx54L mm

This 2.13" x 1.45" x 1.45" gearmotor is a powerful, high-quality motor with 50:1 metal gearbox intended for operation at 12 V. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft..

Key specs at 12 V: 200 RPM and 300 mA free-run, 170 oz-in (12 kg-cm) and 5 A stall.

Pololu item #: 1105
Price: $24.95

67:1 Metal Gearmotor 37Dx54L mm

This 2.13" x 1.45" x 1.45" gearmotor is a powerful, high-quality motor with 67:1 metal gearbox intended for operation at 12 V. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft..

Key specs at 12 V: 150 RPM and 300 mA free-run, 195 oz-in (14 kg-cm) and 5 A stall.

Pololu item #: 1106
Price: $24.95

100:1 Metal Gearmotor 37Dx57L mm

This 2.22" x 1.45" x 1.45" gearmotor is a powerful, high-quality motor with 100:1 metal gearbox intended for operation at 12 V. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft..

Key specs at 12 V: 100 RPM and 300 mA free-run, 220 oz-in (16 kg-cm) and 5 A stall.

Pololu item #: 1107
Price: $24.95

122:1 Metal Gearmotor 37Dx57L mm

This 2.22" x 1.45" x 1.45" gearmotor is a powerful, high-quality motor with 122:1 metal gearbox intended for operation at 12 V. These units have a 0.61"-long, 6 mm-diameter D-shaped output shaft..

Key specs at 12 V: 80 RPM and 300 mA free-run, 250 oz-in (18 kg-cm) and 5 A stall.

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