Swing Gearbox Fit for Excavator Doosan DX75
Swing Gearbox Fit for Excavator Doosan DX75

Introduction
The Swing Gearbox, also known as the swing drive, is a crucial component of excavators. It is responsible for turning the upper part of the excavator, allowing it to rotate on its axis. Here are some key features and uses of the Swing Gearbox:
- Enables the excavator to perform a 360-degree rotation
- Facilitates smooth and efficient movement of the excavator
- Helps to maintain the stability and balance of the excavator
- Designed to withstand heavy loads and extreme conditions

Installation and Function
The Swing Gearbox is typically located at the base of the excavator's cab, where it is connected to the hydraulic system. Its main function is to transfer power from the hydraulic motor to the excavator's upper structure, allowing it to rotate. Here is a brief overview of how it works:
- The hydraulic motor pumps hydraulic fluid into the gearbox
- The gearbox uses gears to convert the hydraulic pressure into rotational force
- The rotational force is transferred to the slew ring, which allows the upper structure to rotate
Compatibility and Parameters
Our Swing Gearbox is designed to fit perfectly with the Excavator Doosan DX75. Before purchasing, customers should confirm the following parameters:
| Parameter | Description |
|---|---|
| Excavator Model | Doosan DX75 |
| Gear Ratio | ... |
| Max. Torque | ... |
| Weight | ... |
Signs that a New Swing Gearbox is Needed
Over time, the Swing Gearbox may become worn or damaged, which can lead to a variety of issues. Here are some signs that a new Swing Gearbox may be needed:
- Unusual noises coming from the gearbox
- The excavator is not rotating smoothly or consistently
- Increased vibration or shaking during operation
- Reduced power or performance from the excavator
Maintenance Tips
By following these tips, customers can help to prolong the life of their Swing Gearbox:
- Perform regular inspections and maintenance, including checking for leaks and wear
- Use high-quality hydraulic fluid and lubricants
- Monitor the gearbox for signs of overheating or excessive wear
- Ensure that the gearbox is properly installed and aligned
Compatible Brands and Models
While our Swing Gearbox is specifically designed for the Excavator Doosan DX75, we are also compatible with many other brands and models, including:
- Caterpillar
- Komatsu
- Volvo
- Hitachi
About Our Company
We are a leading manufacturer of high-quality transmission parts for excavators, bulldozers, and other heavy machinery. Our products include walking gearboxes, swing gearboxes, gears, planet carriers, wheel hubs, and more. With over 12,000 parts available, we can provide solutions for over 516 different models. We are committed to providing our customers with the best quality products and service.
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


