Pololu Metal Gearmotors

Some of the Pololu metal gearmotors.

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. 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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Compare Micro Metal Gearmotors With a cross section measuring only 10 × 12 mm (0.39" × 0.47"), these high-quality gearmotors come in a variety of gear ratios ranging from 5:1 to 1000:1. High- and low-power versions are available, as well as an optional extended motor shaft.

Compare 25D mm Gearmotors These 25 mm-diameter (0.98") gearmotors, spanning a range of gear ratios from 4.4:1 to 499:1, offer a good combination of power and compactness. We have high- and low-current versions to choose from, and integrated 48 CPR encoders are available with selected gear ratios.

Compare 37D mm Gearmotors Measuring 37 mm (1.46") in diameter, these 12 V motors are the largest and most powerful gearmotors we carry. They are available in a range of gear ratios from 19:1 to 131:1. An integrated 64 CPR encoder is an option for all of these motors.

	Pololu item #: 1091 Price: $17.95 Quantity:
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, 3 mm-diameter D-shaped output shaft that matches the micro metal gearmotor output shafts. Key specs at 6 V: 350 RPM and 70 mA free-run, 20 oz-in (1.4 kg-cm) and 1.5 A stall.

	On sale! Pololu item #: 991 Price: $14.95 $17.95 Out of stock.
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, 3 mm-diameter 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. Clearance: This product is being replaced by the 35:1 metal gearmotor 15.5Dx30L mm.

	Pololu item #: 1597 Price: $17.95 Quantity:
35:1 Metal Gearmotor 15.5Dx30L mm This high-quality metal gearmotor is a compact (1.16" x 0.61" x 0.61") motor with an enclosed 35:1 metal gearbox. These units have a 0.365"-long, 3 mm-diameter D-shaped output shaft. Key specs at 6 V: 460 RPM and 60 mA free-run, 13 oz-in (1.0 kg-cm) and 0.8 A stall.

	Pololu item #: 1598 Price: $17.95 Quantity:
115:1 Metal Gearmotor 15.5Dx30L mm This high-quality metal gearmotor is a compact (1.16" x 0.61" x 0.61") motor with an enclosed 115:1 metal gearbox. These units have a 0.365"-long, 3 mm-diameter D-shaped output shaft. Key specs at 6 V: 140 RPM and 60 mA free-run, 35 oz-in (2.5 kg-cm) and 0.8 A stall.

	Pololu item #: 1162 Price: $19.95 Quantity:
29:1 Metal Gearmotor 20Dx41L mm This 1.46" x 0.79" x 0.79" gearmotor is a high-quality motor with 29:1 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. This gearmotor is a replacement for the now-discontinued 25:1 version. Key specs at 6 V: 440 RPM and 250 mA free-run, 25 oz-in (1.8 kg-cm) and 3.3 A stall.

	Pololu item #: 1163 Price: $19.95 Temporarily out of stock. See product page to backorder.
73:1 Metal Gearmotor 20Dx42L mm This 1.67" x 0.79" x 0.79" gearmotor is a high-quality motor with 73:1 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. This gearmotor is a replacement for the now-discontinued 67:1 version. Key specs at 6 V: 180 RPM and 250 mA free-run, 60 oz-in (4.3 kg-cm) and 3.3 A stall.

	Pololu item #: 1109 Price: $19.95 Quantity:
154:1 Metal Gearmotor 20Dx44L mm This 1.72" x 0.79" x 0.79" 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, 120 oz-in (8.6 kg-cm) and 3.3 A stall.