Swing Gearbox Fit for Excavator LiuGong LG936
Swing Gearbox Fit for Excavator LiuGong LG936
The swing gearbox is one of the essential components of an excavator, which plays a crucial role in the excavator's operation. It is located on the upper part of the turntable and is responsible for driving the excavator's swing motion. The following are the functions and purposes of the swing gearbox:
- Enables the excavator to rotate 360 degrees.
- Transfers power from the hydraulic pump to the swing motor, which rotates the upper structure of the excavator.
- Provides a precise and smooth swing operation, which is necessary for completing tasks accurately and efficiently.

The Installation and Working Principle of Swing Gearbox
The swing gearbox is installed on the upper part of the excavator's turntable and is responsible for driving the rotation of the upper structure of the excavator. It works on the following principle:
- The hydraulic pump generates pressurized fluid.
- The pressurized fluid flows into the swing gearbox through the hydraulic lines.
- The fluid pressure drives the swing motor, which rotates the upper structure of the excavator.

Compatibility with Excavator LiuGong LG936
Our swing gearbox is designed to perfectly fit the Excavator LiuGong LG936. Before purchasing, customers need to consider the following parameters:
| Parameter | Description |
|---|---|
| Swing speed | The speed at which the upper structure of the excavator rotates. |
| Swing torque | The force that drives the rotation of the upper structure of the excavator. |
| Dimensions | The size and shape of the swing gearbox must match the dimensions of the Excavator LiuGong LG936. |
When to Replace the Swing Gearbox
There are several signs that a swing gearbox needs to be replaced:
- Unusual noises coming from the swing gearbox during operation.
- The swing operation becomes rough and jerky.
- The excavator's swing motion becomes slow or unresponsive.
If any of these symptoms occur, it is imperative to replace the swing gearbox to avoid further damage to the excavator's operation.
Routine Maintenance for Longer Lifespan
Proper maintenance can prolong the lifespan of the swing gearbox. Here are some maintenance tips:
- Check the swing gearbox regularly for signs of wear and tear.
- Keep the swing gearbox clean and free from debris.
- Replace the swing gearbox oil according to the manufacturer's instructions.
Compatibility with Other Excavator Brands
Our swing gearbox is compatible with various excavator brands and models, including:
- Caterpillar
- Komatsu
- Volvo
- Hitachi
Please note that we do not sell products for the above brands and models. Our compatibility with these brands and models is for customer convenience only.
We are a specialized manufacturer of high-quality engineering machinery spare parts, including walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary carriers, wheel hubs, pump housings, rotary shaft seats, end covers, gaskets, bearings, oil seals, and other supporting products. Our products cover more than 12,000 types of transmission mechanism parts for over 704 models. We are committed to providing our customers with high-quality products and excellent services.
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


