Swing Gearbox Fit for Excavator Doosan DX55
Swing Gearbox Fit for Excavator Doosan DX55
Swing Gearbox: The Key to Excavator Rotation
The swing gearbox is an essential component of an excavator's upper structure that enables it to perform a full 360-degree rotation. Also known as the swing drive or swing motor, this gearbox transfers hydraulic power from the engine to the tracks and other hydraulic systems, allowing the operator to manipulate the machine's upper structure.
The Swing Gearbox Fit for Excavator Doosan DX55 is an excellent replacement option for those looking for a durable and efficient gearbox. Here are some key features and uses of this product:
- Compatible with the Doosan DX55 excavator model
- Suitable for installation in the upper structure of the excavator
- Allows for a full 360-degree rotation
- Transfers hydraulic power from the engine to the tracks and other systems
- Designed to stabilize and balance the machine during operation
Advantages of Using Swing Gearbox Fit for Excavator Doosan DX55
Choosing Swing Gearbox Fit for Excavator Doosan DX55 comes with several benefits, such as:
- Easy installation and maintenance
- Better stability and balance while operating the machine
- Improved accuracy during digging and loading operations
- Reduced noise during operation
- More efficient use of hydraulic systems and lower fuel consumption
How to Install, Maintain, and Repair the Swing Gearbox
Proper installation, maintenance, and repair can extend the lifespan of the Swing Gearbox Fit for Excavator Doosan DX55. Here's how:
Installation:
Before installation, ensure that the following parameters match your requirements:
Parameter | Description |
---|---|
Brand | Doosan |
Model Number | DX55 |
Installation Position | Upper structure of the excavator |
Rotation Capacity | 360 degrees |
Once you have confirmed that the product is a perfect fit for your excavator model, follow these steps:
- Disconnect all hydraulic lines and components
- Unbolt the old swing gearbox from the undercarriage and upper frame
- Align the new swing gearbox with the mounting holes
- Tighten the bolts and nuts to the recommended torque
- Reconnect all hydraulic lines and components
Maintenance:
Performing routine maintenance tasks can help prolong the lifespan of your Swing Gearbox. Here are some maintenance tips:
- Regularly check and change hydraulic fluid
- Keep the gearbox clean and free of debris
- Periodically check for leaks and repair them promptly
- Inspect the gearbox for damage or wear and replace parts as necessary
- Follow the manufacturer's recommendations for maintenance intervals and procedures
Repair:
If your Swing Gearbox Fit for Excavator Doosan DX55 is damaged, follow these steps to repair it:
- Disconnect all hydraulic lines and components
- Unbolt the swing gearbox from the undercarriage and upper frame
- Disassemble the gearbox and inspect the parts for damage or wear
- Replace damaged or worn parts with new ones
- Reassemble the gearbox and tighten the bolts and nuts to the recommended torque
- Reconnect all hydraulic lines and components
Frequently Asked Questions
Q1: What is a swing gearbox?
A swing gearbox, also known as a swing drive or swing motor, is an essential component of an excavator's upper structure that enables it to perform a full 360-degree rotation.
Q2: What are the signs that a swing gearbox needs to be replaced?
Some common signs that a swing gearbox needs to be replaced include noise during operation, difficulty rotating the machine's upper structure, and leaking hydraulic fluid.
Q3: How can I extend the lifespan of my Swing Gearbox?
You can extend the lifespan of your Swing Gearbox by performing routine maintenance tasks such as regularly checking and changing hydraulic fluid, keeping the gearbox clean and free of debris, and periodically checking for leaks.
Q4: Can I replace my old swing gearbox with Swing Gearbox Fit for Excavator Doosan DX55?
Yes, Swing Gearbox Fit for Excavator Doosan DX55 is perfectly compatible with the Excavator Doosan DX55 and can be used as a replacement for your old swing gearbox.
Q5: What other products does your company offer?
In addition to Swing Gearbox Fit for Excavator Doosan DX55, our company specializes in high-quality spare parts for excavators and bulldozers. Our product range includes walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary gears, wheel hubs, pump casings, rotary shaft seats, end covers, washers, bearings, and oil seals. We also supply various Plastic Gear used in industry, such as agricultural gearboxes, power output shafts, sprockets, fluid couplings, worm gear reducers, gears and racks, detachable chains, pulleys and pulleys, planetary gearboxes, timing pulleys, bushings, and more. We pride ourselves on offering high-quality products at a favorable price and providing considerate service. Customers are welcome to come to us for drawing or sample customization.
About us

We guarantee top-quality products at the best prices in China! Special orders are welcome, and if you’re interested in any of our products, feel free to reach out for more detailed information. We ensure our products are safe, high-quality, and reasonably priced. Please contact us as soon as possible if you’d like to learn more. We’re eager to cooperate with you!
A large portion of our products is exported to Europe and the Americas, with both standard and custom options available. We can manufacture according to your drawings or samples, using standard materials or as per your specific requirements. Choosing us means choosing reliability.

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

Industries We Service
