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Solarbotics Gearboxes

Solarbotics is a Canadian company that provides a variety of compact, affordable geared motors that are great for building small robots. We currently carry a wide selection of their GM-series gearmotors as well as compatible wheels.

If you do not know which gearmotor you need, you can view a comparison table of the Solarbotics gearmotors.

Pololu item #: 641
Price: $19.75

Solarbotics GM18 30:1 Mini Metal Gear Motor

The Solarbotics GM18 30:1 mini metal gear motor is a compact (1.14” x 0.39” x 0.47”), high-quality motor with metal gears, similar to the Sanyo motors such as NA2S, NA3S, and NA4S. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.

Pololu item #: 638
Price: $19.75

Solarbotics GM12a 100:1 Mini Metal Gear Motor

The Solarbotics GM12a 100:1 mini metal gear motor is a compact (1.14” x 0.39” x 0.47”), high-quality motor with metal gears, very similar to the Sanyo NA2S motor. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.

Pololu item #: 639
Price: $19.75

Solarbotics GM13a 150:1 Mini Metal Gear Motor

The Solarbotics GM13a 150:1 mini metal gear motor is a compact (1.14” x 0.39” x 0.47”), high-quality motor with metal gears, very similar to the Sanyo NA3S motor. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.

Pololu item #: 640
Price: $19.75

Solarbotics GM14a 298:1 Mini Metal Gear Motor

The Solarbotics GM14a 298:1 mini metal gear motor is a compact (1.14” x 0.39” x 0.47”), high-quality motor with metal gears, very similar to the Sanyo NA4S motor. The major difference is that these Sanyo motor look-a-likes have brass front faceplates (not steel ones), and cost less.

Pololu item #: 180
Price: $5.95

Solarbotics GM2 224:1 Gear Motor Offset Output

This 224:1 gearmotor (gearbox with motor) has a low-current motor and provides power and speed that is comparable to an RC servo at a fraction of the cost.

Pololu item #: 181
Price: $5.95

Solarbotics GM3 224:1 Gear Motor 90 deg. Output

This 224:1 gearmotor (gearbox with motor) has a low-current motor and provides power and speed that is comparable to an RC servo at a fraction of the cost.

Pololu item #: 182
Price: $5.75

Solarbotics GM6 120:1 Mini Gear Motor Offset Output

The Solarbotics GM6 gearmotor with offset output is a compact, 120:1 gearmotor (gearbox with motor) that is well-suited for use in small robots.

Pololu item #: 183
Price: $5.75

Solarbotics GM7 120:1 Mini Gear Motor 90 deg. Output

The Solarbotics GM7 gearmotor with 90-degree output is a compact, 120:1 gearmotor (gearbox with motor) that is well-suited for use in small robots.

Pololu item #: 187
Price: $5.95

Solarbotics GM8 143:1 Gear Motor Offset Output

The GM8 is essentially a 143:1 version of the GM2 gearmotor. If you want a bit more speed than what the GM2 will give you, this is the motor for you!

Pololu item #: 188
Price: $5.95

Solarbotics GM9 143:1 Gear Motor 90 deg. Output

This 143:1 gearmotor is the right-angle version of the GM8 and the high-speed version of the GM3.

Pololu item #: 195
Price: $10.95

Solarbotics GM10 81:1 Geared Pager Motor

The Solarbotics GM10 81:1 Geared Pager Motor is the smallest gearbox and motor combination we carry. The 5-gram unit delivers 3.6 oz-in of torque and 370 RPM at 5 V.

Pololu item #: 611
Price: $2.25

Solarbotics RM2 (high-power motor for GM2/3/8/9)

Need more power out of your gear motor? This is a high-power motor that fits in the same form factor as used by the GM2/3/8/9 style gear motors.

Pololu item #: 604
Price: $1.99

Solarbotics RM3 (Replacement Motor for GM2/3/8/9, Regular Motor 3)

This is the standard DC motor found in the GM2, GM3, GM8, and GM9 gear motors from Solarbotics. It comes with an 8-tooth pinion gear, and motor replacement is a snap! The RM3 can even be used to replace the higher-current FA-130 motors in many of the Tamiya gearboxes.