Weigao Reducer, a renowned industrial transmission expert established in 1988, excels in delivering high-precision gearboxes and motors tailored for global applications. Its 60,000-square-meter advanced production base, equipped with over 200 CNC machines and precision testing systems, ensures superior product quality, supported by fixed assets exceeding RMB 500 million. The YD Series dual-speed motors (500/1000 r/min) offer power ratings from 0.12kW to 75kW, designed to seamlessly integrate with Weigao’s gearbox systems. These motors feature automatic speed-switching between 500 r/min and 1000 r/min, enabling flexible adaptation to varying operational demands, such as low-speed heavy-load tasks and high-speed precision processes. With high-efficiency designs achieving up to 93% energy efficiency, they comply with international standards like ISO9001:2015 and CE. Advanced vibration-damping technology ensures ultra-stable operation (≤0.08mm displacement) and minimal noise, making them ideal for conveyors, mixers, and industrial machinery. Weigao’s global presence spans over 80 countries, supported by a responsive ERP-managed service network and localized technical assistance. By merging cutting-edge R&D with rigorous quality control, the company provides reliable, energy-saving transmission solutions that empower industries worldwide to optimize performance and adapt to dynamic operational needs.
The YD Series Multi-Speed Motor Reducer is a versatile integrated drive system, designed to support dual-speed (500/1000r/min, 12/6 poles) and triple-speed (1000/1500/3000r/min, 6/4/2 poles) operations. It combines high-efficiency three-phase asynchronous motors with precision gear reducers, delivering stable torque transmission, low noise, and reliable durability, fully complying with international standards such as IEC 60034 and GB/T 13957. This series is widely applied in light to medium-duty industrial fields like conveyor systems, pumps, and ventilation equipment, thanks to its flexible speed adjustment and compact design.
Covering a power range of 0.75kW to 37kW, the series caters to diverse operational needs with precise power matching for each speed level. It adopts F-class insulation (155℃) with B-class temperature rise control and an IP55 protection rating, effectively resisting dust, moisture, and mild corrosive environments. The optimized cooling system ensures stable temperature control during long-duration operation at different speeds, while precision-machined gears and bearings extend service life and reduce maintenance requirements.
A core advantage lies in its seamless multi-speed switching capability, eliminating the need for external frequency converters, simplifying control systems, and lowering operational costs. It boasts reliable starting performance, high energy efficiency, and moderate overload capacity, suitable for continuous operation under fluctuating loads. With standard mounting configurations (B3, B5), it integrates easily into existing equipment layouts, enhancing industrial versatility.
Certified by ISO 9001, CCC, and CE, the YD Series Multi-Speed Motor Reducer balances performance, cost-effectiveness, and safety. It provides a practical solution for industries requiring variable speed output, ensuring efficient and stable operation of automation systems while meeting strict quality and environmental standards.
| Motor Type | Pole | Power (kW) |
|---|---|---|
| Synchronous Speed: 500/1000 r/min | ||
| YD-160M-12/6 | 12 | 2.6 kW |
| 6 | 5 kW | |
| YD-160L-12/6 | 12 | 3.7 kW |
| 6 | 7 kW | |
| YD-180L-12/6 | 12 | 5.5 kW |
| 6 | 10 kW | |
| YD-200L1-12/6 | 12 | 7.5 kW |
| 6 | 13 kW | |
| YD-200L2-12/6 | 12 | 9 kW |
| 6 | 15 kW | |
| YD-225M-12/6 | 12 | 12 kW |
| 6 | 20 kW | |
| YD-250M-12/6 | 12 | 15 kW |
| 6 | 24 kW | |
| YD-280S-12/6 | 12 | 20 kW |
| 6 | 30 kW | |
| YD-280M-12/6 | 12 | 24 kW |
| 6 | 37 kW | |
| Synchronous Speed: 1000/1500/3000 r/min | ||
| YD-100L-6/4/2 | 6 | 0.75 kW |
| 4 | 1.3 kW | |
| 2 | 1.8 kW | |
| YD-112M-6/4/2 | 6 | 1.1 kW |
| 4 | 2 kW | |
| 2 | 2.4 kW | |
| YD-132S-6/4/2 | 6 | 1.8 kW |
| 4 | 2.6 kW | |
| 2 | 3 kW | |
| YD-132M1-6/4/2 | 6 | 2.2 kW |
| 4 | 3.3 kW | |
| 2 | 4 kW | |
| YD-132M2-6/4/2 | 6 | 2.6 kW |
| 4 | 4 kW | |
| 2 | 5 kW | |
| YD-160M-6/4/2 | 6 | 3.7 kW |
| 4 | 5 kW | |
| 2 | 6 kW | |
| YD-160L-6/4/2 | 6 | 4.5 kW |
| 4 | 7 kW | |
| 2 | 9 kW | |




The YEJVF Series Motor, engineered for Weigao reducers, is a premium energy-efficient solution designed for precision industrial applications. Featuring a wide power spectrum (0.55–90 kW) and frame sizes H112–H355, it supports light-to-heavy-duty operations with seamless VFD compatibility, enabling stepless speed control from 5–50 Hz while maintaining constant torque. This motor integrates advanced electromagnetic design with Class F insulation (155°C) and IP55 protection, ensuring resilience against dust, moisture, and thermal stress in harsh environments. Its high starting torque (≥200% rated torque) and low speed variation rate (<2%) guarantee stable performance under variable loads, ideal for conveyors, mixers, and material handling systems. The compact cast iron housing with optimized cooling fins (IC411) enhances thermal management, extending motor life. Multi-mounting options (B3/B5/B35) and standardized shaft dimensions enable direct integration with Weigao reducers, minimizing installation complexity. Compliant with GB18613-2020 Level 2 efficiency standards, the YEJVF Series reduces energy consumption by up to 15% compared to conventional motors. Its low-noise operation (<75 dB) and maintenance-friendly design further lower operational costs, making it a reliable, cost-effective choice for industries demanding precision, durability, and sustainability in hazardous settings.
The MS Aluminium Three-Phase Asynchronous Motor by Weigao is a lightweight yet robust motor solution designed for a wide range of industrial applications. Constructed with high-quality aluminium alloy, this motor offers excellent corrosion resistance and efficient heat dissipation, ensuring reliable performance even in demanding environments. As a three-phase asynchronous motor, it delivers stable and consistent power output, making it suitable for driving various machinery such as pumps, fans, compressors, and conveyor systems. The motor's compact design and lightweight construction facilitate easy installation and maintenance, reducing downtime and operational costs. Weigao's MS Aluminium Motor combines advanced engineering with superior craftsmanship, providing industries with an energy-efficient and durable power solution. Its versatility and reliability make it an ideal choice for applications where space, weight, and performance are critical considerations.
The YCT Series Electromagnetic Adjustable Speed Motor, tailored for Weigao reducers, is a high-performance, stepless speed-regulating motor designed for a wide range of industrial applications. It integrates a squirrel cage induction motor, an electromagnetic slip clutch, and a speed controller, enabling seamless speed adjustment within the rated speed range while maintaining constant torque output. This motor series adheres to international standards, including IEC EN60034-1 and EN1060204-1, ensuring global compatibility and reliability. With a power range spanning from 0.55 kW to 90 kW and frame sizes from H112 to H355, it accommodates diverse industrial needs, from light-duty to heavy-duty applications. The YCT Series features a wide speed-regulating range (max 10:1), high starting torque, and a speed variation rate not exceeding 2.5%, making it ideal for equipment requiring precise speed control, such as conveyors, mixers, and fans. Its cast iron body and IP21 protection class provide robust resistance to dust and moisture, enhancing durability in harsh environments. The motor's simple structure and easy maintenance reduce operational costs, while its low power consumption and multi-mode control options offer flexibility in various industrial settings. Combining efficiency, reliability, and versatility, the YCT Series Electromagnetic Adjustable Speed Motor is the perfect choice for powering Weigao reducers in demanding industrial applications.
The YBX4 Series 10-Pole Motor, designed specifically for Weigao reducers, is a high-performance explosion-proof motor optimized for low-speed, high-torque industrial applications. With a 10-pole configuration, it operates at a synchronous speed of approximately 600 r/min, delivering substantial power output and steady rotational performance under heavy loads, making it ideal for machinery such as conveyors, mixers, and crushers in hazardous environments. This motor series adheres to stringent international explosion-proof standards, including Exd I Mb, Exd IIB T4 Gb, and Exd IIC T4 Gb, ensuring safe operation in environments with flammable gases or vapors. Its Class F insulation (155℃) and IP55 protection rating provide robust resistance to dust, moisture, and high temperatures, enhancing durability and reliability in challenging conditions. The YBX4 10-Pole Motor offers a power range from 45 kW to 220 kW, catering to medium-scale to heavy-duty applications. Available in frame sizes H315 to H355 with multiple mounting configurations (B3, B5, B35), it seamlessly integrates with Weigao’s reducer systems. Its advanced cooling design (IC411) ensures stable thermal performance during prolonged operation. Combining safety, efficiency, and versatility, the YBX4 Series 10-Pole Motor is the ideal choice for powering Weigao reducers in demanding industrial environments.
The YBX4 Series 8-Pole Motor, engineered specifically for Weigao reducers, is a high-performance, explosion-proof motor designed for low-speed, high-torque industrial applications. With an 8-pole configuration, it delivers a nominal speed of approximately 750 r/min, making it ideal for machinery requiring substantial power output and steady rotational performance under heavy loads, such as conveyors, mixers, and crushers. This motor series adheres to stringent international explosion-proof standards, including Exd I Mb, Exd IIB T4 Gb, and Exd IIC T4 Gb, ensuring safe operation in hazardous environments with flammable gases or vapors. Its Class F insulation (155℃) and IP55 protection rating provide robust resistance to dust, moisture, and high temperatures, enhancing durability and reliability in challenging conditions. The YBX4 8-Pole Motor offers a power range from 0.75 kW to 315 kW, accommodating diverse industrial needs, from medium-scale to heavy-duty applications. Available in frame sizes H112 to H355 with multiple mounting configurations (B3, B5, B35), it seamlessly integrates with Weigao’s reducer systems. Its advanced cooling design (IC411) ensures stable thermal performance during prolonged operation. Combining safety, efficiency, and versatility, the YBX4 Series 8-Pole Motor is the ideal choice for powering Weigao reducers in demanding industrial environments.
The YBX4 Series 6-Pole Motor, tailored for Weigao reducers, is a high-efficiency, explosion-proof motor designed for medium-speed industrial applications. With a 6-pole configuration, it operates at a synchronous speed of approximately 1000 r/min, delivering a balanced combination of rotational speed and torque, making it ideal for machinery requiring steady power transmission under moderate loads, such as conveyors, mixers, and general-purpose industrial equipment. This motor series adheres to stringent international explosion-proof standards, including Exd I Mb, Exd IIB T4 Gb, and Exd IIC T4 Gb, ensuring safe operation in hazardous environments with flammable gases or vapors. Its Class F insulation (155℃) and IP55 protection rating provide robust resistance to dust, moisture, and high temperatures, enhancing durability and reliability in challenging conditions. The YBX4 6-Pole Motor offers a power range from 0.37 kW to 375 kW, catering to diverse industrial needs, from light-duty to heavy-duty applications. Available in frame sizes H80 to H355 with multiple mounting configurations (B3, B5, B35), it seamlessly integrates with Weigao’s reducer systems. Its advanced cooling design (IC411) ensures stable thermal performance during prolonged operation. Combining safety, efficiency, and versatility, the YBX4 Series 6-Pole Motor is the ideal choice for powering Weigao reducers in demanding industrial environments.
The YBX4 Series 4-Pole Motor, specifically engineered for Weigao reducers, is a high-performance, explosion-proof motor optimized for medium-speed industrial applications. With a 4-pole configuration, it operates at a nominal speed of approximately 1500 r/min, providing an excellent balance between rotational speed and torque output, making it ideal for a wide range of machinery, including conveyors, compressors, and general-purpose industrial equipment. This motor adheres to stringent international explosion-proof standards, including Exd I Mb, Exd IIB T4 Gb, and Exd IIC T4 Gb, ensuring safe operation in hazardous environments with flammable gases or vapors. Its Class F insulation (155℃) and IP55 protection rating offer robust resistance to dust, moisture, and high temperatures, enhancing durability and reliability in challenging conditions. The YBX4 4-Pole Motor offers a power range from 0.18 kW to 315 kW, catering to diverse industrial needs, from light-duty to heavy-duty applications. Available in frame sizes H80 to H355 with multiple mounting configurations (B3, B5, B35), it seamlessly integrates with Weigao’s reducer systems. Its advanced cooling design (IC411) ensures stable thermal performance during prolonged operation. Combining safety, efficiency, and versatility, the YBX4 Series 4-Pole Motor is the ideal choice for powering Weigao reducers in medium-speed industrial settings.
The YBX4 Series 2-Pole Motor, meticulously crafted for Weigao reducers, stands as a pinnacle of high-speed, high-efficiency power solutions tailored for demanding industrial applications. With a 2-pole configuration, it delivers a nominal speed of approximately 3000 r/min, making it ideal for machinery requiring rapid rotational performance and precise speed control, such as fans, pumps, and light-duty conveyors. This motor series complies with stringent international explosion-proof standards, including Exd I Mb, Exd IIB T4 Gb, and Exd IIC T4 Gb, ensuring safe operation in hazardous environments with flammable gases or vapors. Its Class F insulation (155℃) and IP55 protection rating provide exceptional resistance to dust, moisture, and high temperatures, enhancing durability and reliability in harsh conditions. The YBX4 2-Pole Motor offers a power range from 0.18 kW to 315 kW, accommodating diverse industrial needs, from compact equipment to medium-scale machinery. Available in frame sizes H80 to H355 with multiple mounting options (B3, B5, B35), it seamlessly integrates with Weigao’s reducer systems. Its advanced cooling design (IC411) ensures stable thermal performance during prolonged operation. Combining safety, efficiency, and versatility, the YBX4 Series 2-Pole Motor is the perfect choice for powering Weigao reducers in high-speed industrial applications.