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15:1 Micro Metal Gearmotor. Pololu 4784
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These tiny brushed DC gearmotors are intended for use at 6 V, though in general, these kinds of motors can run at voltages above and below this nominal voltage, so they should comfortably operate in the 3 – 9 V range (rotation can start at voltages as low as 0.5 V). Lower voltages might not be practical, and higher voltages could start negatively affecting the life of the motor. The micro metal gearmotors are available in a wide range of gear ratios—from 5:1 up to 1000:1—and offer a choice between two different motors: high-power (HP) and standard. With the exception of the 1000:1 gear ratio versions, all of the micro metal gearmotors have the same physical dimensions, so one version can be easily swapped for another if your design requirements change. Please see the micro metal gearmotor comparison table for detailed specifications of all our micro metal gearmotors. This dynamically-sortable table can help you find the gearmotor that offers the best blend of speed, torque, and current-draw for your particular application. A more basic comparison table is available below.
Some versions of the gearmotors are sold with an additional 1mm-diameter output shaft that protrudes from the rear of the motor. This 4.5mm-long rear shaft rotates at the same speed as the input to the gearbox and offers a way to add a custom-built encoder to provide motor speed or position feedback.
Gear Ratio | Speed @ 6V | Stall Torque @ 6V | Stall Current @ 6V | ![]() Gearbox Shaft Only | ![]() Gearbox & Motor Shaft |
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5:1 | 6000 RPM | 2 oz-in | 1600 mA | 5:1 micro HP | |
2500 RPM | 1 oz-in | 360 mA | 5:1 micro | ||
10:1 | 3000 RPM | 4 oz-in | 1600 mA | 10:1 micro HP | 10:1 micro HP |
1300 RPM | 2 oz-in | 360 mA | 10:1 micro | ||
30:1 | 1000 RPM | 9 oz-in | 1600 mA | 30:1 micro HP | 30:1 micro HP |
440 RPM | 4 oz-in | 360 mA | 30:1 micro | 30:1 micro | |
50:1 | 625 RPM | 15 oz-in | 1600 mA | 50:1 micro HP | 50:1 micro HP |
250 RPM | 7 oz-in | 360 mA | 50:1 micro | 50:1 micro | |
75:1 | 400 RPM | 22 oz-in | 1600 mA | 75:1 micro HP | |
170 RPM | 9 oz-in | 360 mA | 75:1 micro | ||
100:1 | 320 RPM | 30 oz-in | 1600 mA | 100:1 micro HP | 100:1 micro HP |
120 RPM | 12 oz-in | 360 mA | 100:1 micro | 100:1 micro | |
150:1 | 200 RPM | 40 oz-in | 1600 mA | 150:1 micro HP | |
85 RPM | 17 oz-in | 360 mA | 150:1 micro | ||
210:1 | 140 RPM | 50 oz-in | 1600 mA | 210:1 micro HP | |
60 RPM | 27 oz-in | 360 mA | 210:1 micro | ||
250:1 | 120 RPM | 60 oz-in | 1600 mA | 250:1 micro HP | |
50 RPM | 32 oz-in | 360 mA | 250:1 micro | ||
298:1 | 100 RPM | 70 oz-in | 1600 mA | 298:1 micro HP | 298:1 micro HP |
45 RPM | 40 oz-in | 360 mA | 298:1 micro | 298:1 micro | |
1000:1 | 32 RPM | 125 oz-in | 1600 mA | 1000:1 micro HP | |
14 RPM | 70 oz-in | 360 mA | 1000:1 micro |
Note: The 1000:1 gearmotors can generate enough torque to damage themselves. The stall torque values given for those two motors are theoretical, and we strongly recommend you avoid stalling them.
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Micro metal gearmotor dimensions (units in mm). |
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The gearbox has a long (0.365" or 9.27 mm), 3 mm-diameter D-shaped metal output shaft, and the brass faceplate has two mounting holes threaded for M1.6 screws (1.6 mm diameter, 0.35 mm thread pitch). It weighs approximately 0.35 oz (10 g). Versions with the extended motor shaft have a 1mm diameter round shaft that protrudes 4.5 mm from the rear of the motor, between the two motor terminals; this is not pictured in the above dimension diagram.
Note: The gearbox on the 1000:1 and 1000:1 HP micro metal gearmotors is 12.5 mm long. All of the other micro metal gearmotors have 9mm-long gearboxes, as shown in the above dimension diagram.
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We offer a wide selection of metal gearmotors that offer different combinations of speed and torque. Our metal gearmotor comparison table can help you find the motor that best meets your project’s requirements.
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Some of the Pololu metal gearmotors. |
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5:1 Micro Metal Gearmotor |
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Pololu Micro Metal Gearmotor Bracket Pair - Black |
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Pololu Micro Metal Gearmotor Bracket Extended Pair |
Data sheet
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
15:1 Micro Metal Gearmotor. Pololu 4782
A small, high-power motor with a 1000: 1 metal gear, 12 V operating voltage, 0.06 A to 0.75 A power consumption, 35 RPM, a maximum torque of 10 kg * cm and carbon brushes with increased durability. Pololu 3046
No product available!
250:1 Micro Metal Gearmotor
Miniature medium-power, 6 V brushed DC motor with a 51.45:1 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. Pololu 2365
No product available!
Small, high power motor with 250: 1 metal gear, 12 V operating voltage, power consumption from 0.06 A to 0.75 A, speed 130 RPM, maximum torque of 3 kg * cm, carbon brushes and double-sided shaft. Pololu 3055
No product available!
This gearmotor is a miniature high-power, 12 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.
Small metal gear motor, 300 RPM speed, 6V operating voltage. GA12-N20-0016
No product available!
Small, high power motor with 5: 1 metal gear, 12 V operating voltage, power consumption from 0.06 A to 0.75 A, speed 6800 RPM, maximum torque of 0.09 kg * cm, carbon brushes and double-sided shaft. Pololu 3047
No product available!
Small metal gear motor, 50 RPM speed, 12V operating voltage. GA12-N20-0021
No product available!
Small motor with metal gear and encoder, rotation speed 60 RPM, operating voltage 6 V. GA46-N20E-0044
No product available!
Small motor with metal gear and encoder, rotation speed 50 RPM, operating voltage 6 V. GA46-N20E-0043
No product available!
Pololu high power miniature motor with carbon brushes. 150:1 gear motor, shaft speed 150 rpm, torque 1,3kg*cm. The motor has an extended shaft, which makes it easy to attach the encoder. Pololu 2382
No product available!
Miniature, 12V brush DC motor with metal gear with 15.25: 1 ratio. It has a cross section of 10 × 12 mm, and the D-shaped output shaft has a length of 9 mm and a diameter of 3 mm. It also has an extended motor shaft with dimensions of 4.5 × 1 mm. Pololu 4789
A small motor with a metal gear ending with a shaft with M3 thread, rotation speed 50 RPM, operating voltage 6 V. GA1036-N20M-0053
Small metal gear motor, rotation speed 381 RPM, operating voltage 12 V. GA1218-N20W-0041
No product available!
A small low-power motor with a 250:1 metal gear, 6 V operating voltage, power consumption from 0.02 A to 0.36 A, speed 54 RPM, a maximum torque of 1.7 kg*cm and a double-sided shaft. Pololu 2207
No product available!
15:1 Micro Metal Gearmotor. Pololu 4784