The YE4 series 1000 r/min motor is an IE4 ultra-high efficiency 6-pole unit customized for Weigao reducers, core function being providing stable low-speed mechanical power to match the reducer’s torque amplification needs in heavy-load, low-speed industrial scenarios. It integrates advanced rotor slot optimization to convert electrical energy into mechanical power with minimal energy loss, covering a wide power range to adapt to diverse Weigao reducer models.
A unique advantage is its excellent starting torque performance, delivering 1.8 times rated torque at startup to drive heavy loads smoothly without straining Weigao reducers. Its optimized ventilation structure enhances heat dissipation during prolonged low-speed operation, avoiding thermal degradation and extending the synergetic service life of the motor-reducer assembly.
Different from conventional motors, it adopts a high-precision dynamic balancing process, reducing rotor eccentricity and vibration amplitude to below 2.5mm/s, which effectively protects the reducer’s internal gears and bearings. The motor’s TEFC enclosure with IP55 protection resists industrial dust and occasional moisture, ensuring reliability in harsh working environments.
It features standardized mounting interfaces and flange dimensions for seamless integration with Weigao reducers, simplifying installation and replacement. With low noise emission (below 75dB at rated load) and compliance with global industrial standards, it balances efficiency, durability and operational comfort, making it an ideal green drive solution for Weigao reducer-equipped equipment like mixers and crushers.
YE4 Series 1000 r/min Motor Model-Power Comparison Table
| Motor Type | Power kw | Motor Type | Power kw |
| YE4-71M1-6 | 0.18 kW | YE4-160M-6 | 7.5 kW |
| YE4-71M2-6 | 0.25 kW | YE4-160L-6 | 11 kW |
| YE4-80M1-6 | 0.37 kW | YE4-180L-6 | 15 kW |
| YE4-80M2-6 | 0.55 kW | YE4-200L1-6 | 18.5 kW |
| YE4-90S-6 | 0.75 kW | YE4-200L2-6 | 22 kW |
| YE4-90L-6 | 1.1 kW | YE4-225M-6 | 30 kW |
| YE4-100L-6 | 1.5 kW | YE4-250M-6 | 37 kW |
| YE4-112M-6 | 2.2 kW | YE4-280S-6 | 45 kW |
| YE4-132S-6 | 3 kW | YE4-280M-6 | 55 kW |
| YE4-132M1-6 | 4 kW | YE4-315S-6 | 75 kW |
| YE4-132M2-6 | 5.5 kW | YE4-315M-6 | 90 kW |
| YE4-315L1-6 | 110 kW | YE4-355M1-6 | 160 kW |
| YE4-315L2-6 | 132 kW | YE4-355M-6 | 185 kW |
| YE4-315L3-6 | 160 kW | YE4-355M2-6 | 200 kW |
| YE4-355L1-6 | 220 kW | YE4-355L-6 | 250 kW |
| YE4-355L2-6 | 280 kW | YE4-355L3-6 | 315 kW |



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