Guang Dong Lihua Mechatronics Co.,Ltd
| Payment Terms | L/C,D/P,T/T,Western Union,D/A |
| Supply Ability | 10000PCS/Day |
| Delivery Time | 35-45Days |
| Packaging Details | Foam Carton |
| Motor Type | GM25-300 |
| Ratio | 499:1 |
| Rated Volt | 3V |
| No-load Speed | 7Rpm or custom as your need |
| No-load Current | ≤0.2A |
| Stall Torque | 4.6kgf.m |
| ODM/OEM | Accepted |
| Category | 25mm Gear Motor |
| Brand Name | Lihua Motor/HCS Motors |
| Model Number | GM25-300 |
| Certification | CE/RoHs /Reach/IATF16949/ISO9001 |
| Place of Origin | Dongguan,China |
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Product Specification
| Payment Terms | L/C,D/P,T/T,Western Union,D/A | Supply Ability | 10000PCS/Day |
| Delivery Time | 35-45Days | Packaging Details | Foam Carton |
| Motor Type | GM25-300 | Ratio | 499:1 |
| Rated Volt | 3V | No-load Speed | 7Rpm or custom as your need |
| No-load Current | ≤0.2A | Stall Torque | 4.6kgf.m |
| ODM/OEM | Accepted | Category | 25mm Gear Motor |
| Brand Name | Lihua Motor/HCS Motors | Model Number | GM25-300 |
| Certification | CE/RoHs /Reach/IATF16949/ISO9001 | Place of Origin | Dongguan,China |
| High Light | 300 Mini DC Motor ，Mini DC Motor With Gearbox ，Mini Speed Reducer Motor | ||
25mm Metal 300 Mini Dc Motor With Gearbox Mini Worm Gear Motor Speed Reducer Motor
This high-performance 25mm Metal Gearbox System combines a Turbo Worm Speed Reducer (25mm diameter) with a compact 300-series DC motor (24.4mm×12.5mm) to deliver exceptional torque and speed control.
✔ Modular Design:
Base motor: 300-series mini DC motor
Gearbox: 25mm worm drive reducer
Configurable as GA25Y300/320/370 systems
| Model | Motor | Ratio | Rated Torque |
|---|---|---|---|
| GA25Y300 | 300-series | 499:1 | 4.6Kg.cm |
| GA25Y370 | 370-series | 103:1 | 10.0kgf.cm |
| GA25Y320 | 320-series | 227:1 | 10.0kgf.cm |
✔ Custom Gear Ratios:
Standard options: 21:1 | 47:1 | 103:1 | 227:1 | 499:1
Custom ratios available for specialized torque requirements
✔ Premium Construction:
All-metal worm gear set for high load capacity
Hardened steel gears with <1° backlash
Dual ball bearing support
25mm 320 Mini Motor DC With Gearbox Parameter List
| Model | Volt | No-load | At Maximum Efficiency | Stall | |||||
| V | Speed | Current | Speed | Current | Torque | Output | Torque | Current | |
| r/min | A | r/min | A | Kg.cm | W | Kg.cm | A | ||
| GA25Y300-103 | 3.0 | 35 | 0.05 | 26 | 0.1 | 0.35 | 0.1 | 1.4 | 0.3 |
| GA25Y300-164 | 3.0 | 22 | 0.05 | 16 | 0.1 | 0.47 | 0.1 | 1.9 | 0.3 |
| GA25Y300-227 | 3.0 | 16 | 0.05 | 12 | 0.1 | 0.55 | 0.1 | 2.2 | 0.3 |
| GA25Y300-362 | 3.0 | 10 | 0.05 | 7.5 | 0.1 | 0.82 | 0.1 | 3.3 | 0.3 |
| GA25Y300-499 | 3.0 | 7 | 0.05 | 5 | 0.2 | 1.1 | 0.1 | 4.6 | 0.3 |
*Remarks: The / in the table indicates that it is not possible to block the rotation, if it occurs, it may cause damage to the internal gears.
25mm Metal 300 Small Geared Motor Electric Motor Dimensions
| Ratio | 4.21-9.7 | 20.4-21.3 | 34-47 | 75-103 | 164-227 | 362-499 |
| Shaft Length | 17mm | 19mm | 21mm | 23mm | 25mm | 27mm |
As a professional manufacturer of micro DC gear motors, Lihua Motor possesses comprehensive R&D, production, and quality control capabilities to provide customers with high-precision, high-reliability customized motor solutions.
ISO 9001 certified quality management system
IATF 16949 automotive standards (for vehicle-grade requirements)
RoHS/REACH compliant for global market access
IP-rated protection (IP54/IP65 options available)
High-precision machining: Gear accuracy ≤ DIN6 grade, shaft runout ≤0.01mm
Key production equipment:
Japanese/Swiss winding machines (±0.02mm tolerance)
German gear inspection systems
Fully automated assembly lines (yield rate ≥99.5%)
Special processes: Vacuum impregnation extends motor lifespan by 30%
Wide voltage range: 1.5V~48V DC
Multiple reduction ratios: 5:1~1000:1 (custom ratios available)
Rapid prototyping: Samples delivered within 7 days
100% full inspection: Current, torque, speed, etc.
Reliability testing:
500-hour accelerated aging test
72-hour salt spray test (corrosion resistance)
Thermal cycling (-40℃~120℃)
Traceability: Full batch tracking from raw materials to finished products
Material control: High-grade NdFeB magnets, JIS G4805 gear steel
Stable delivery: Monthly capacity ≥500K units, safety stock available
✔ Engineering support: Motor selection simulation, 3D models (STEP/IGES)
✔ Compliance documentation: IMDS reports, full traceability
✔ Cost optimization: Magnetic circuit & gear structure improvements
Requirement review: Confirm specs (voltage, torque, size, etc.)
Prototyping: Samples provided within 7 days
Testing & validation: FAIR approval
Mass production: On-time delivery
We're not just a supplier—we're your technical partner!
Company Details
Business Type:
Manufacturer,Exporter,Seller,Trading Company
Year Established:
2003
Total Annual:
20598600-21971840
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Guang Dong Lihua Mechatronics Co., Ltd.(Lihua Motor) was founded in May 2003, formerly Shen Zhen Hua Chuang Sheng Motor Co., Ltd. (HCS Motors) In order to expand its business, it relocated from Shenzhen to Humen Town (Dongguan City) in October 2017. Lihua is a manufacturer of high-quali... Guang Dong Lihua Mechatronics Co., Ltd.(Lihua Motor) was founded in May 2003, formerly Shen Zhen Hua Chuang Sheng Motor Co., Ltd. (HCS Motors) In order to expand its business, it relocated from Shenzhen to Humen Town (Dongguan City) in October 2017. Lihua is a manufacturer of high-quali...
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