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Greartisan Metal DC 12V 300RPM Gear Motor High Torque Electric Micro Speed Reduction Geared Motor Eccentric Output Shaft 37mm Diameter Gearbox

Greartisan Metal DC 12V 300RPM Gear Motor High Torque Electric Micro Speed Reduction Geared Motor Eccentric Output Shaft 37mm Diameter Gearbox

Q: How much weight can this motor lift if it was used for a "mini" garage door opener? Door would be 50"x30". Approximately 30lbs

The maximum torque this motor could produce is approximately 0.67 lb-in peak at close to stall. The stated speed 120 RPM is assumed to be a no-load value. Using a more reasonable operating 60% of these values, the motor may approximately produce 0.4 lb-in at 90 RPM. The power available from this unit is approximately .426 watts. You want to lift a 30 lb door 30 (?) inches in an assumed 10 seconds which is approximately 10 watts. So what you are asking is will a 0.43 watt motor power a 10 watt requirement. The answer is no. (The preceding power requirement calculation does not address any added wattage requirement due to friction or drive efficiency losses which would increase the "no" to a "HELL NO")

Q: Can I use a 12V 1A adapter with this motor?

Depends on your application. I got 20 RPM motor: no load at 12V ~100mA. No load start-up 2A. I think stall test was nearly 4A.

Q: Do these leak grease from the gear box?

Nope no sign of any grease leaking out yet

Q: If this motor is used as a wind turbine generator, will it output 12v at 200rpm?

I used mine as a hand crank phone charger that charged a battery pack. I worked great and the output will vary based on your load and speed, so it will probably have a lower voltage than 12v at 200RPM. You'll want to put it through a full bridge rectifier with a capacitor in parallel to produce a DC voltage, however the diodes and capacitor will also drop your voltage. The battery pack I was using was only around 6 to 7 volts DC, also the gearing in the motor is really high so for a wind turbine you would probably have to help start the blades to get them to spin.

Product ID: 374085265

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Details

Brand
Greartisan
Speed
300 RPM
Voltage
12 Volts
Horsepower
300 Watts
Material
Metal

🔄Bidirectional rotation with speed control

🔋Pure copper wire core boosts power +30%

⚙️All-metal gears for max durability

Frequently Bought Together

Greartisan DC 12V 300RPM Gear Motor High Torque Electric Micro Speed Reduction Geared Motor Eccentric Output Shaft 37mm Diameter Gearbox

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Black 25mm DC Gear Motors Mounting Bracket, Iron Anti-Rust Gearbox L-Shape Fixed Seat, Gear Reduction Motor Holder

Description

⚡ Gear up your projects with power, precision, and durability!

ROBUST OUTPUT SHAFT - D-shaped hardened steel shaft ensures impact resistance and extended motor lifespan under demanding loads.
UNMATCHED DURABILITY - All-metal gears engineered for high abrasion & heat resistance, built to last through heavy-duty use.
PLUG PLAY CONFIDENCE - 12V rated with low noise operation and backed by a 100% unconditional return guarantee for peace of mind.
VERSATILE SPEED CONTROL - Supports positive and negative rotation with adjustable speed reduction—perfect for precision applications.
POWER BOOSTED EFFICIENCY - Precision-wound pure copper rotor increases motor power by 30%, delivering reliable high torque performance.

The Greartisan Metal DC 12V 300RPM Gear Motor features a rugged all-metal gearbox and a pure copper wire core rotor that boosts power by 30%. Its D-shaped hardened steel output shaft offers superior toughness and impact resistance, while the motor supports bidirectional rotation with adjustable speed reduction. Ideal for vending machines, cameras, toys, and more, this compact 37mm gearbox motor delivers high torque with low noise, backed by a reliable satisfaction guarantee.

Specifications

Brand	Greartisan
Speed	300 RPM
Voltage	12 Volts
Horsepower	300 Watts
Material	Metal
Manufacturer	Greartisan
UPC	766330627002
Country of Origin	USA
Model number	Greartisan
Colour	300 RPM
Item Weight	210 g
Package Dimensions	10.2 x 6.3 x 5.2 cm; 210 g
Item model number	Greartisan
Are batteries included?	No

Have a Question? See What Others Asked

How much weight can this motor lift if it was used for a "mini" garage door opener? Door would be 50"x30". Approximately 30lbs

Can I use a 12V 1A adapter with this motor?

Do these leak grease from the gear box?

If this motor is used as a wind turbine generator, will it output 12v at 200rpm?

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