Swing Motors

3 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

4 year

Product details

1. Product Classification & Compatible Models

A. Eaton Swing Motors for 6-8 Ton Excavators

Compatible Brands & Models:

• Hyundai 60

• Sany 75

• XCMG 60

• Yuchai 85

• Xinyuan 60

• Kobelco 60

• Jiahe 60

• Rhinoceros 60(Common in Chinese compact excavators)

• Xinhao 75

• Xiagong 808(Xiamen Engineering Machinery model)

Product Type:

• Rotary Motor Assemblies

• Includes motor body, reduction gearbox, brake, seals, and integrated components.

• Designed for 6-8 ton compact excavator slewing systems.

B. Doosan Swing Motor Series

Model Categories:

1. Medium-Duty Models:

• DX140/150-7

• DX145

• DX160

• DX170W-7(Wheeled excavator)

2. Heavy-Duty Models:

• DH225/215/500-7

• DX500/520

Product Type:

• Swing Motors

• Torque and speed parameters vary by tonnage.

• Modular design for easy maintenance and replacement.

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2. Key Terminology & Technical Notes

【表格】

Chinese Term English Term Technical Explanation

回转马达 (Huízhuǎn Mǎdá) Swing Motor Core hydraulic component converting pressure into rotational torque.

旋转马达总成 (Xuánzhuǎn Mǎdá Zǒngchéng) Rotary Motor Assembly Integrated unit including motor, gearbox, brake, and valve block.

吨位 (Dūnwèi) Tonnage Excavator operating weight (tons), dictating motor power requirements.

-7 Suffix (e.g., DX140-7) -7 Suffix Doosan’s 7th-gen technology (e.g., energy efficiency, control upgrades).

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3. Technical Adaptation & Selection Guidelines

1. Tonnage Matching:

• 6-8 ton models(e.g., Hyundai 60, XCMG 60) require low-torque, high-speed motors.

• Medium/heavy-duty models(e.g., DX225, DX500) need high-torque, low-speed motors for heavy-duty operations.

2. Brand Compatibility:

• Eaton motors are widely adapted by Chinese and Korean brands (Hyundai, Doosan).

• Japanese brands (e.g., Kobelco) may require dedicated models—verify interface dimensions and pressure ratings.

3. Wheeled vs. Crawler Excavators:

• Wheeled models (e.g., DX170W-7) demand motors with faster dynamic response for steering during travel.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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4 year

Main Product: hydraulic motor, gear box , hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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