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")

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.

Do these leak grease from the gear box?

Nope no sign of any grease leaking out yet

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.

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DC 12V 30RPM Gear Motor High Torque Electric Micro Speed Reduction Geared Motor Eccentric Output Shaft 37mm Diameter Gearbox

Product ID: 468119432

Details

Brand
Greartisan
Horsepower
30 Watts
Model name
gear
Speed
30 RPM
Voltage
12 Volts

🔄Bidirectional rotation with torque control

🔋30% power boost with pure copper rotor

⚙️All-metal gears for max durability

148.78 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your projects with precision and durability — don’t get left behind!

UNMATCHED DURABILITY - All-metal gears engineered for high abrasion & heat resistance, built to last through your toughest projects.
PLUG PLAY CONFIDENCE - Backed by a 100% unconditional return guarantee and easy wiring, this motor fits seamlessly into your next innovation.
POWER PACKED PERFORMANCE - Precision-wound pure copper rotor delivers a 30% instant power surge—because your projects deserve more torque.
SMOOTH CONTROLLED MOTION - D-shaped hardened steel output shaft ensures impact resistance and longer motor life with ultra-reliable rotation.
VERSATILE SPEED DIRECTION - Adjustable positive-negative rotation with a steady 30 RPM speed, capable of driving loads up to 15 kg effortlessly.

The Greartisan DC 12V 30RPM Gear Motor features a robust all-metal gearbox and a pure copper wire core rotor that boosts power by 30%. Its D-shaped hardened steel output shaft offers exceptional toughness and longevity, while the motor supports bidirectional rotation with low noise and high torque, ideal for applications requiring slow, reliable motion. Compact and versatile, it’s perfect for hobbyists and professionals alike, backed by a solid satisfaction guarantee.

Specifications

ASIN	B071GTTX4D
Best Sellers Rank	#39,756 in Toys ( See Top 100 in Toys ) #16 in RC Complete Electric Motors
Brand	Greartisan
Brand Name	Greartisan
Customer Reviews	4.5 out of 5 stars 80 Reviews
Horsepower	30 Watts
Manufacturer	Greartisan
Material	Copper
Material Type	Copper
Model	Greartisan
Model Name	gear
Model name	gear
Part Number	Greartisan
Speed	30 RPM
UPC	766330626944
Unit Count	1 Count
Voltage	12 Volts

Reviews

R**R

Good product.

21.06.2026

M**S

Sehr Robust

Ich habe den Greartisan DC 12V 30RPM Getriebemotor für ein selbstgebautes Drehspieß-Projekt gesucht und bin mehr als zufrieden. Der Motor hat meine Erwartungen nicht nur erfüllt, sondern übertroffen. Für den Preis bekommt man hier eine erstaunliche Qualität und Leistung. Was ihn so besonders macht: · Perfekte Drehzahl und Kraft: Die angegebenen 30 Umdrehungen pro Minute (RPM) sind genau das, was ich für einen gleichmäßigen, langsamen Antrieb benötigt habe. Das Getriebe sorgt für ein hohes Drehmoment – der Motor läuft auch unter leichter Last (wie einem kleinen Grillspieß) absolut ruhig und zuverlässig, ohne zu stocken. · Robuste und kompakte Bauweise: Das Metall-Getriebegehäuse fühlt sich sehr wertig und stabil an. Die gesamte Verarbeitung macht einen hochwertigen Eindruck. Trotz der Kraft ist der Motor erfreulich kompakt und lässt sich gut in verschiedene Konstruktionen integrieren. · Vielseitige Anschlussmöglichkeiten: Der mitgelieferte, lange Anschlussdraht mit farbiger Kennung (rot/schwarz) macht die Verkabelung sehr einfach. Man kann ihn direkt mit einer 12V-Stromquelle (wie einem Netzteil oder einer Autobatterie) verbinden oder in eine Schaltung integrieren. · Breites Anwendungsspektrum: Dieser Motor ist ein echter Allrounder für Hobbybastler. Ob für Drehspieße, Drehteller, langsame Förderbänder, Jalousieantriebe, Modellbau oder kreative Arduino/Raspberry Pi-Projekte – die 30 RPM sind für viele langsame und kraftvolle Anwendungen ideal. · Unschlagbares Preis-Leistungs-Verhältnis: Für das, was man bekommt, ist der Preis mehr als fair. Man erhält einen leistungsstarken, langlebigen Getriebemotor, für den man bei anderen Marken deutlich mehr zahlen müsste. Fazit: Der Greartisan DC 12V 30RPM Getriebemotor ist ein hervorragendes Bauteil für alle Bastler und Tüftler. Er ist kraftvoll, präzise, gut verarbeitet und zu einem fantastischen Preis zu haben. Wenn Sie einen zuverlässigen und vielseitigen Antrieb für ein DIY-Projekt suchen, liegen Sie mit diesem Motor genau richtig. Absolute Kaufempfehlung!

14.01.2026

A**S

Good Device

Built two automatic ice fishing rod jigging machines. After a season of use, one of the gearboxes got louder. It is very easy to remove the two screws on the shaft end to grease the gears. They are indeed all metal construction - no plastic gears.

8.03.2026

R**T

Sehr leise und kraftvoll. Super für Modellbau.

Habe 6 Stück für meinen "MARS 2020 Persevereance" Mars Rover gekauft. Sie sind sind sehr kraftvoll im Test und leise im Lauf. Der Dauereinsatz wird die Haltbarkeit noch ermitteln. Die sollten das Groẞmodell gut bewegen können. Die 6 Gewinde vorn sind sehr gut, um sie sauber zu montieren. Die ausmittigen Achsen muss man bei seinen Projekten beachten.

4.05.2026

G**D

DC-Getriebemotor

Der Getriebemotor ist leise und kräftig, die Leerlaufstromaufnahme ist allerdings deutlich höher als beim vergleichbaren RB 35 (über 100mA im Vergleich zu 50mA).

8.07.2026

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