Swing Gearbox Fit for Excavator Daewoo DH55
Swing Gearbox Fit for Excavator Daewoo DH55
A swing gearbox, also known as a swing drive or swing motor, is a critical component of an excavator's hydraulic system. It is responsible for the rotation of the excavator's upper structure and supports the weight of the boom, arm, and bucket. The Swing Gearbox Fit for Excavator Daewoo DH55 is designed specifically to fit Daewoo DH55 excavators, providing reliable and efficient operation.
Function and Purpose
The swing gearbox serves multiple functions within the hydraulic system of an excavator:
- Rotating the upper structure of the excavator
- Supporting the weight of the boom, arm, and bucket
- Providing torque to the excavator's tracks, enabling it to turn
Without a properly functioning swing gearbox, the excavator would be unable to rotate, making it difficult to complete many excavation tasks.

Installation and Operation
The swing gearbox is typically located at the base of the excavator's upper structure, where it connects to the undercarriage. The gearbox is driven by the excavator's hydraulic system and is designed to withstand the high demands of heavy excavation work.
The gearbox works by using hydraulic pressure to turn the gearbox's internal gears, which ultimately rotate the upper structure of the excavator. This design provides the torque necessary to rotate the excavator, making it possible to complete many different excavation tasks.

Compatibility and Parameters
The Swing Gearbox Fit for Excavator Daewoo DH55 is specifically designed to fit Daewoo DH55 excavators. When purchasing a swing gearbox, it's important to consider several parameters, including:
| Parameter | Description |
|---|---|
| Make and Model | The make and model of the excavator the gearbox is intended for |
| Size and Weight | The physical dimensions and weight of the gearbox |
| Torque Rating | The amount of torque the gearbox is capable of producing |
| Operating Temperature Range | The temperature range the gearbox is designed to operate in |
Signs of Wear and Maintenance
Like all mechanical components, swing gearboxes are subject to wear over time. Some signs that a swing gearbox may need to be replaced include:
- Unusual noises or vibrations during operation
- Difficulty rotating or moving the upper structure of the excavator
- Leaking hydraulic fluid
To extend the lifespan of a swing gearbox, it's important to perform regular maintenance. Some maintenance tasks that can help prolong the life of a swing gearbox include:
- Checking and changing hydraulic fluid regularly
- Inspecting the gearbox for wear and damage
- Lubricating the gearbox's internal components
Company Introduction
Our company specializes in producing high-quality spare parts for excavators, bulldozers, and other heavy construction machinery. We have a wide range of production equipment and employ advanced processing technology, as well as a highly skilled production and marketing team. Our main products include walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary carriers, hubs, pump casings, rotary shaft supports, end covers, gaskets, bearings, and oil seals, among other supporting products. We produce over 12,000 transmission components for excavators and bulldozers, covering more than 500 models.
Compatible Brands and Models
Our Swing Gearbox Fit for Excavator Daewoo DH55 is just one example of the many high-quality spare parts we produce. Our products are compatible with many other excavator brands and models, including:
- Caterpillar
- Komatsu
- Hitachi
- Volvo
- Hyundai
Please note that we do not sell products from the above brands. The compatibility of our products is provided for the convenience of our customers when selecting parts for their equipment.
Author: Miya
Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
- Prompt delivery
- Packing as per customer’s demand.
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


