Zibo Najie International Trade Co.,Ltd.
| Product Type | Single-stage reduction, Two-stage reduction |
| Adapted Power | 200 kW ~ 1500 kW (Vehicle dependent) |
| Gear Ratio | 3:1 ~ 6:1 (Common range) |
| Max Output Torque | Up to 200 kNm (Vehicle dependent) |
| Gear Design | Helical/Herringbone, Carburized, Hardened and Ground Gears |
| Lubrication | Splash lubrication or Forced circulation lubrication |
| Cooling Method | Natural air cooling or Forced air cooling (with auxiliary fan) |
| Design Standard | Complies with EN, IEC, UIC, GB and other relevant international and national standards. |
| Packaging Details | Standard wooden box |
| Delivery Time | 30-60 working days |
| Payment Terms | L/C |
| Supply Ability | 10 units/day |
| Model Number | Single-stage reduction, Two-stage reduction |
| Place of Origin | Zibo,Shandong Province |
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Product Specification
| Product Type | Single-stage reduction, Two-stage reduction | Adapted Power | 200 kW ~ 1500 kW (Vehicle dependent) |
| Gear Ratio | 3:1 ~ 6:1 (Common range) | Max Output Torque | Up to 200 kNm (Vehicle dependent) |
| Gear Design | Helical/Herringbone, Carburized, Hardened and Ground Gears | Lubrication | Splash lubrication or Forced circulation lubrication |
| Cooling Method | Natural air cooling or Forced air cooling (with auxiliary fan) | Design Standard | Complies with EN, IEC, UIC, GB and other relevant international and national standards. |
| Packaging Details | Standard wooden box | Delivery Time | 30-60 working days |
| Payment Terms | L/C | Supply Ability | 10 units/day |
| Model Number | Single-stage reduction, Two-stage reduction | Place of Origin | Zibo,Shandong Province |
| High Light | drive gearbox 200 knm ，locomotive drive gearbox ，locomotive extrusion gearbox | ||
This gearbox series is a core transmission component specifically designed for railway vehicles, including electric locomotives, diesel-electric locomotives, high-speed EMUs (Electric Multiple Units), metro trains, and light rail vehicles. Its function is to convert the high-speed, low-torque power generated by the traction motor into the low-speed, high-torque power required to drive the wheelsets. Renowned for its extreme reliability, exceptional efficiency, and high load capacity, this gearbox ensures the safe, smooth, and efficient operation of trains under demanding conditions, making it a critical foundational component in the rail transportation industry.
Extreme Reliability & Safety: Manufactured to the most stringent design standards and material specifications, undergoing rigorous bench tests and line trials. Ensures failure-free operation under long-term impact and vibrational loads, guaranteeing absolute operational safety.
Exceptional Transmission Efficiency: Utilizes high-precision, hardened and ground gears through carburizing and quenching processes. Optimized tooth profiles minimize friction loss, achieving a transmission efficiency of over 98%, effectively saving energy.
High Load Capacity: Gears and housing are made from high-strength alloy steel with optimized structural design, providing exceptional impact and fatigue resistance to transmit massive traction and braking torque.
Excellent Lightweight Design: Employs high-strength lightweight alloys and Finite Element Analysis (FEA) for topology optimization. Significantly reduces weight while ensuring strength, lowering unsprung mass and improving vehicle dynamics.
Superior Sealing & Maintainability: Combines multi-stage labyrinth seals with special lip seals to effectively prevent gear oil leakage and ingress of external contaminants. Features long maintenance intervals and simple procedures.
Product Type:Single-stage reduction, Two-stage reduction
Adapted Power:200 kW ~ 1500 kW (Vehicle dependent)
Gear Ratio:3:1 ~ 6:1 (Common range)
Max Output Torque:Up to 200 kNm (Vehicle dependent)
Gear Design:Helical/Herringbone, Carburized, Hardened and Ground Gears
Lubrication:Splash lubrication or Forced circulation lubrication
Cooling Method:Natural air cooling or Forced air cooling (with auxiliary fan)
Design Standard:Complies with EN, IEC, UIC, GB and other relevant international and national standards.
High-Speed EMUs: Driving high-speed trains operating at 200 km/h and above.
Electric Locomotives: Driving mainline freight and passenger electric locomotives.
Diesel-Electric Locomotives: Driving mainline and shunting locomotives.
Urban Rail Vehicles: Driving metro, light rail, tramway, and intercity trains.
Other Applications: Suitable for special-purpose vehicles like engineering maintenance vehicles and mining locomotives.
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2025
Employee Number:
100~200
Ecer Certification：
Verified Supplier
The company is located in Zibo, a renowned industrial manufacturing city in the beautiful central Shandong region. We specialize in the sales of high-end precision gearboxes, reducers, gears, pumps, and related products. Guided by technological innovation, supported by high-end and high-precision eq... The company is located in Zibo, a renowned industrial manufacturing city in the beautiful central Shandong region. We specialize in the sales of high-end precision gearboxes, reducers, gears, pumps, and related products. Guided by technological innovation, supported by high-end and high-precision eq...
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