Swing Gearbox Fit for Excavator CASE CX130
Swing Gearbox Fit for Excavator CASE CX130

Introduction
A swing gearbox, also known as a swing drive, is an essential component of an excavator. It serves as the main power transmission system, allowing the excavator to swing smoothly and accurately. Here are some specific functions of a swing gearbox:
- Provides torque for excavator rotation
- Transfers power from the hydraulic motor to the excavator's slewing ring
- Ensures accurate and reliable swing operation
Location and Working Principle

The swing gearbox is usually located at the back of the excavator, near the cab. It is connected to the hydraulic motor and slewing ring by a series of gears and shafts. The gearbox receives power from the hydraulic motor and uses it to rotate the excavator. It also transfers the weight of the upper structure to the undercarriage.
Compatibility and Parameters
Our swing gearbox is compatible with the Excavator CASE CX130 model. Before purchasing, you need to determine the following parameters:
| Parameter | Description |
|---|---|
| Swing radius | The maximum radius the excavator can swing |
| Maximum torque | The maximum amount of torque the gearbox can provide |
| Maximum load capacity | The maximum weight the gearbox can support |
Signs of Replacement and Maintenance
When the following signs are observed, it is time to replace the swing gearbox:
- Loud grinding or clicking noise during rotation
- Inconsistent or jerky movement during rotation
- Leaking hydraulic fluid around the gearbox
To extend the lifespan of the swing gearbox, regular maintenance is necessary. Here are some routine maintenance procedures:
- Check the oil level and quality regularly
- Inspect the seals and gaskets for signs of wear or damage
- Clean the gearbox and surrounding area to prevent dirt and debris buildup
Compatible Brands and Models
Our swing gearbox is compatible with various excavator brands and models, including:
- Caterpillar
- Doosan
- Hitachi
- Komatsu
- Kobelco
Please note that we do not sell products for the above brand models, and the compatibility information is for reference only.
About Us
We are a specialized manufacturer of high-quality spare parts for excavators, bulldozers, and other construction machinery. Our products include walking reducer assemblies, swing reducer assemblies, gears, shafts, planetary carriers, wheel hubs, pump housings, swing bearings, and seals, among others. We have more than 12,000 transmission parts for over 741 machine models. Equipped with advanced production equipment and excellent processing technology, we have a highly skilled production, design, and marketing team.
Our mission is to provide reliable, efficient, and high-quality products to our customers worldwide.
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


