Daewoo DH370 Swing Motor

Daewoo DH370 Swing Motor

2 week ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

Daewoo DH370 Swing Motor

Product Overview

Daewoo DH370 Swing Motor is a heavy‑duty integrated Hydraulic piston motor assembly, a core hydraulic motor specially engineered for Daewoo DH370 large crawler excavator. It provides rotary driving power for upper‑structure rotation of the whole hydraulic system and heavy‑load construction Machine.

This robust Hydraulic piston motor combines piston driving unit and built‑in swing brake valve. It delivers high output torque to realize smooth slewing action for the excavator upper body. As a direct‑fit replacement unit, it can solve typical faults including weak swing power, swing drift, abnormal noise and internal leakage. It is an essential repair spare‑part to restore full working performance of the excavator hydraulic system.

Technical Specifications

‑ Model: Daewoo DH370 Swing Motor

‑ Compatible Machine: Daewoo DH370 37‑ton crawler excavator

‑ Product Type: High‑torque Hydraulic piston motor, heavy‑duty hydraulic motor

‑ Rated working pressure: Up to 28 MPa

‑ Max peak pressure: 32 MPa

‑ Built‑in multi‑disc parking brake for swing locking

‑ Standard mounting and port dimensions, direct drop‑in installation for target Machine

‑ Working medium: Anti‑wear hydraulic mineral oil for construction machinery hydraulic system, ISO‑VG46 recommended

‑ Operating oil temperature: ‑20℃ ~ +80℃

‑ Key Features: High‑torque output, integrated brake function, anti‑shock performance, high volumetric efficiency, stable continuous operation under heavy‑load site conditions of industrial Machine, perfectly matched for original hydraulic system.

Working Principle

As a high‑performance Hydraulic piston motor, this hydraulic motor converts hydraulic pressure energy supplied by the main hydraulic system into mechanical rotary torque for the excavator Machine. Pressurized hydraulic oil pushes internal piston assemblies to generate rotation force. The built‑in brake valve controls brake engagement and release, locking upper cabin position when swing operation stops.

When internal pistons, valve plate, friction plates or sealing components wear out, the hydraulic motor will generate internal leakage, insufficient swing torque, swing slipping and abnormal noise. Replacing this complete Daewoo DH370 swing motor assembly can fully recover the operating performance of the whole hydraulic system.

Core Advantages

1. Strict dimensional interchangeability with original unit, direct installation without modification to Machine and existing hydraulic system.

2. Heavy‑duty Hydraulic piston motor structure, large output torque, adapts to heavy‑load digging and slewing working conditions.

3. Integrated reliable parking brake, effectively prevents upper‑structure slipping on slope working sites, improves safety of the hydraulic system.

4. High‑strength internal friction and wear components, good shock‑resistance for harsh construction site environment.

5. Complete assembled unit, simplifies field overhaul work, greatly reduces maintenance downtime of the Machine.

Application Range

Daewoo DH370 Swing Motor is the key slewing‑drive hydraulic motor for Daewoo DH370 large excavator hydraulic system. Widely used in mining sites, earth‑moving projects, large‑scale infrastructure construction and other heavy‑duty scenarios of construction Machine. Widely stocked by excavator repair workshops, machinery dealers and global spare‑parts distributors.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

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

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