Swing Gearbox Fit for Excavator Doosan DX120
Swing Gearbox Fit for Excavator Doosan DX120
The Swing Gearbox is a vital component of excavators, and is responsible for the smooth working of the machine. The gearbox is responsible for transmitting rotational force from the engine to the excavator's swing axle. This allows the machine to move in a circular motion, making it very useful in construction sites. Here are some important features and uses of the Swing Gearbox:
- The Swing Gearbox is made from high-quality materials, which makes it durable and long-lasting.
- The gearbox is designed to withstand heavy loads and high torque, which is essential for excavators that work in tough conditions.
- The Swing Gearbox is easy to install and maintain, which means that it can be quickly replaced when necessary.

Installation and Working Principle
The Swing Gearbox is installed in the excavator's swing axle, and it is responsible for the circular movement of the machine. The gearbox transmits rotational force from the engine to the swing axle, which allows the excavator to rotate in a circle. The working principle of the gearbox is based on the use of gears and shafts, which are designed to transmit rotational force from the engine to the swing axle.

Compatibility with Excavator Doosan DX120
Our Swing Gearbox is designed to be compatible with the Excavator Doosan DX120. Before purchasing, it is important to determine the following parameters:
| Parameter | Value |
|---|---|
| Make | Doosan |
| Model | DX120 |
| Type | Swing Gearbox |
Signs of Wear and Tear
Over time, the Swing Gearbox can wear out and may need to be replaced. Here are some signs that indicate that the gearbox needs to be replaced:
- The machine is making unusual noises during operation.
- The machine is vibrating excessively.
- The machine is not moving smoothly in a circular motion.
Maintenance
Proper maintenance of the Swing Gearbox can help to extend its lifespan. Here are some maintenance tips:
- Check the gearbox oil regularly and change it when necessary.
- Clean the gearbox regularly to remove any dirt or debris.
- Inspect the gearbox for any signs of wear and tear, and replace any damaged parts.
Compatibility with Other Excavator Brands and Models
Our Swing Gearbox is compatible with a wide range of excavator brands and models. Some of the most common brands and models that we can adapt to include:
- Caterpillar 320D
- Komatsu PC200-7
- Volvo EC210B
- Hitachi ZX330
Please note that we do not sell products for these brands and models. They are only mentioned for the convenience of our customers.
About Our Company
We are a company that specializes in producing high-quality spare parts for excavators, bulldozers, and other construction machinery. We have a team of highly skilled engineers and designers who are dedicated to creating top-quality products. Our main products include walking gearbox assemblies, rotary gearbox assemblies, gears, shafts, planetary gears, hubs, pump shells, turntable shaft seats, end covers, washers, bearings, and oil seals. We have over 12,000 types of transmission parts for excavators and bulldozers, which are suitable for more than 518 models of machinery.
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


