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Description
dc geared motor 12v 27720 12V 12RPM 37GB520 High Torque DC Geared MotorThe GB37 520 DC motor is a compact, high torque, low speed brushed DC motor with an integrated gear reducer. It operates at 12V and is designed to deliver a rotational speed of 12 RPM. This motor is capable of forward and reverse operation, making it suitable for various applications where precise control and durability are required. Technical Details Reduction Ratio: 810 Rated Voltage(DC): 12 No Load speed (RPM) : 12 No Load current (mA) : 150 Load
The GB37 520 DC motor is a compact, high-torque, low-speed brushed DC motor with an integrated gear reducer. It operates at 12V and is designed to deliver a rotational speed of 12 RPM. This motor is capable of forward and reverse operation, making it suitable for various applications where precise control and durability are required.
Technical Details
- Reduction Ratio:810
- Rated Voltage(DC): 12
- No Load speed (RPM) : 12
- No Load current (mA) : 150
- Load Speed (RPM) : 9
- Load current (A): 0.65
- Load torque (kg. cm): 21
- Load output power (W): 7.8
- Stall Torque (kg. cm): 93
- Stall Current (A): 2.4
- Weight (g) : 170
- Shaft type: Side D-type
- Gearbox Length(mm): 29
Motor Drawing
Features:
Voltage: 12V DCSpeed: 12 RPM
Motor Type: Brushed DC motor with speed reducer
Forward and Reverse Operation: Allows for versatile applications that can change rotation direction.
High Torque: Designed to provide strong torque output despite its miniature size.
Compact Design: Ideal for use in space-constrained applications.
Applications:
Robotics: Ideal for driving wheels, arms, and other moving parts in small robots.Automation Systems: Suitable for conveyor belts, automated doors, and other mechanized systems requiring precise movement.
Model Making: Perfect for model cars, planes, and other hobbyist projects that need reliable motor power.
Medical Devices: Can be used in small medical equipment requiring consistent and controlled motion.
DIY Projects: Great for custom electronics and DIY projects needing a compact motor with high torque.
Advantages
- High Torque Output
- Low Speed for Precise Control
- Compact Design
- Bidirectional Operation
- Easy Integration
- Cost-Effective
Disadvantages
- Brush Wear
- Noise and Vibration
- Limited Efficiency
- Shorter Lifespan
- Fixed Speed
- Heat Generation
Physical Attribute
- Motor Weight (g) : 170
- Total Length:74.7 mm
- Gearbox Diameter: 37 mm
- Motor Diameter: 33 mm
- Shaft Diameter: 6 mm
- Shaft Length: 12 mm (main shaft)
- Flat Side Length on Shaft: 5.5 mm
Package Includes
- 1 x 37GB520 12 RPM 12V 37mm Diameter Side D-Shaft DC high torque geared motor
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 2138 reviews
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Product Reviews
★★★★★ 5
One Mouse to Bind Them, in the Long Hours of the Desk
Color: Graphite, Pattern Name: Mouse
It was the winter of the endless scroll, when the days in River Grove stretched thin and pale as old parchment and the light from the monitor became the only sun we knew, that my old mouse—poor, faithful thing—began its slow betrayal. Clicks faltered like the last breath of a dying Rohirrim steed; the wheel spun loose and reckless, sending spreadsheets cascading into chaos as though the very order of Middle-earth had unraveled; the cursor wandered with the aimless grief of a man who has lost his king. I sat there in the dim room above the garage, wrist aching like the shoulder that once bore the weight of Andúril, staring at the screen while deadlines crept closer, silent and inexorable as the shadow over Mordor.
Then the Logitech MX Master 4 arrived, graphite-dark as the armor of Isildur’s line, shaped not for haste but for endurance, its curves rising like the hills of the Shire remade for the hand of a weary scribe. I took it up and felt the weight settle—not heavy, but certain, as though the mouse itself understood the gravity of long labor. The MagSpeed wheel turned under my thumb with the smooth inevitability of the Anduin in flood, ultra-fast when the document must race to its end, precise when a single pixel demanded mercy. The haptic feedback thrummed beneath my fingers like the deep pulse of the earth when the Ents march—subtle, insistent, alive. Every scroll, every gesture carried the quiet authority of a thing forged to outlast lesser tools.
It paired without ceremony—Bluetooth to the laptop, Logi Bolt to the desktop—crossing between machines as swiftly as the Eagles bore Gandalf from the tower, no fumbling, no oaths sworn in frustration. The side buttons waited like loyal vassals: one to summon the hidden application switcher, another to gesture across screens as though drawing maps of realms unseen. The gesture button itself became my quiet command—thumb pressed, fingers sweeping, and windows arranged themselves in obedient array, the way the hosts of the West might have arrayed themselves upon the Pelennor Fields. And when the battery whispered low, the USB-C cord drank from the wall like a pilgrim at the fountains of Imladris, three hours of life from a single minute’s charge.
I have worked with it now through the gray mornings when the snow muffled every sound outside, through the late nights when the house slept and only the cursor moved, through the sudden urgent revisions that once would have left me cursing the heavens. It does not slip. It does not tire. It endures, as the light of Eärendil endures above the storm, a small fierce companion against the gathering hours.
If your days are measured in documents and deadlines, in the slow turning of wheels both literal and metaphorical, take this MX Master 4. It is not mere plastic and circuit; it is covenant between hand and machine, a shield against the tedium of the long watch, the fellowship your desk has hungered for in its quiet exile.
Ten stars out of five, though the heavens ration light to fewer. I would carry it into the Cracks of Doom itself and fear no misclick.
🖱️🧙♂️📜🌑
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
★★★★★ 4
Almost Perfect
Color: Graphite, Pattern Name: Mouse
If you are looking for a quiet mouse, this is it. I was skeptical about the "ergonomics" but find that it is much more comfortable for me than the more traditional design for left and right clicking. Simple moving seems fine but its weight is a bit excessive for lifting for repositioning in tight spaces. It is difficult to lift without activating the button on the haptic pad, even set to require firm pressure. A bit more contour on the right would solve this nicely to allow lifting the mouse without repositioning your hand.
The forward and back buttons may be a bit awkward for some people. I'm slowly adjusting. Actually, each mouse I've owned needed a bit of getting used to. Side scrolling doesn't always work as it seems it would. Frequently, it scrolls vertically like the "normal" scroll wheel depending on the program.
Haptic feedback is not a commonly used feature yet, however, Windows will be slowly adding haptic features to later updates from what I've read. I keep the setting on the lowest haptic feedback level and for what it functions on so far seems natural and not intrusive.
There are many adjustments and customizations, too many to go into since I haven't played around with most. So far, even with what may seem like a lot of negative thoughts, I love this mouse. It would be five stars if lifting to repositioning in tight spaces was easier.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Dependable, Reliable
Size: 1 Pack, Style: USB Receiver, Color: Swift Grey, Size: 1 Pack, Style: USB Receiver, Color: Swift Grey
As advertised. Logitech, best mouse for your hard-earned cheddar!
It’s not that the (years) old Logitech mouse failed in any operational way, it just got that gummy, sticky surface texture that’s impossible to remove. While shopping for a replacement I noticed an off-brand mouse/keyboard combo and thought, “hey, 2 for 1”…mistake. All was well for about three weeks, long enough that when the gremlins arrived I didn’t immediately associate the new hardware. For the purposes of this discussion, gentle reader, know that I run legacy (what I affectionately refer to as, “Lazarus”) builds. Rigs that started life running Windows Vista/7, died, and that now, resurrected, run 10 and 11, and all that that implies. So, when a mouse started stuttering, of course I thought it was a gremlin in the machine, right? I spent more days than I am comfortable sharing with you pouring over processes and background apps, and registry trims…before Accam’s Razor suggested I eliminate the mouse as a variable. Changing the battery was ineffective, but when I swapped in the ooold Logitech…Yahtzee/Bingo/Booyah…smooth and precise…butter! All I needed was a new Logitech mouse.
So, if you’re here you likely are having mouse issues of your own, or you just need one that works…this is it!
😉
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Nice and a great value.
Size: 1 Pack, Style: USB Receiver, Color: Swift Grey
Hey, it works well. Just plug it in and you are ready to go. Only issue, minor, no light or color coding on back to indicate on or off.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Smooth and ergo nice mouse.
Size: 1 Pack, Style: USB Receiver, Color: Swift Grey
I needed this little thing quickly and got it within 2 hours of ordering. It was only an extra five bucks to get it now. Would have burned more than that in fuel. Works exactly as I would have expected. Perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
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