3mm Shaft Gearmotors
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With a cross section measuring only 10×12 mm (0.39″×0.47″), these small brushed DC gearmotors are available in a wide range of gear ratios—from 5:1 up to 1000:1—and offer a choice between three different motors: high-power (HP), medium-power (MP), and standard. Some versions are also available with an optional extended motor shaft.
All of these Tamiya gearboxes have 3mm hexagonal shafts.
These compact and inexpensive brushed DC gearmotors are available in several different orientations, gear ratios, and power levels. Some versions are also available with an optional extended motor shaft.
Products in category “3mm Shaft Gearmotors”
Price: $17.95
This gearmotor is a compact (1.50" x 0.59" x 0.47") brushed DC 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.
Price: $17.95
This metal gearmotor is a compact (1.16" x 0.61" x 0.61") brushed DC 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.
Price: $17.95
This metal gearmotor is a compact (1.16" x 0.61" x 0.61") brushed DC 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.
Price: $19.75
The Solarbotics GM12a 100:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC 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.
Price: $19.75
The Solarbotics GM13a 150:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC 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.
Price: $19.75
The Solarbotics GM14a 298:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC 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.
Price: $19.75
The Solarbotics GM18 30:1 mini metal gear motor is a compact (1.14" x 0.39" x 0.47") brushed DC 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.
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