Swing Gearbox Fit for Excavator Sunward SWE330
Swing Gearbox Fit for Excavator Sunward SWE330
Introduction
Swing gearbox is an important component in excavators, which is responsible for the rotation of the upper structure. The gearbox is composed of several gears that work together to transfer power from the engine to the excavator's swing movement.
Here are some of the functions of the swing gearbox:
- It allows the excavator to rotate 360 degrees.
- It controls the speed and direction of the upper structure's rotation.
- It helps to maintain the stability of the excavator while working on uneven terrain.
Below is a picture of the Swing Gearbox:

Installation and Function
The swing gearbox is located at the base of the upper structure of the excavator. It is mounted on the slewing ring and connected to the engine through a hydraulic motor. When the hydraulic motor is activated, the gearbox turns the slewing ring, which rotates the upper structure of the excavator.
Here is a diagram that shows the location of the Swing Gearbox:

Specifications and Compatibility
Our Swing Gearbox is compatible with Excavator Sunward SWE330. Before making a purchase, it is important to confirm the following parameters:
| Parameter | Description |
|---|---|
| Excavator Model | Make sure that your excavator is compatible with our Swing Gearbox. |
| Swing Ratio | Different excavators have different swing ratios, which affects the performance of the Swing Gearbox. |
| Dimensions | Confirm the dimensions of the Swing Gearbox to ensure that it fits your excavator. |
When to Replace the Swing Gearbox
There are several signs that indicate the need to replace the Swing Gearbox:
- Unusual noises coming from the gearbox
- Difficulty rotating the upper structure of the excavator
- Abnormal wear on the gears
- Leaks in the hydraulic system
If any of these symptoms occur, it is important to have the Swing Gearbox inspected and replaced if necessary.
Maintenance
Proper maintenance of the Swing Gearbox can extend its lifespan and ensure that it operates at maximum efficiency. Here are some maintenance tips:
- Regularly check and replace the gearbox oil.
- Clean and inspect the gears for damage or signs of wear.
- Inspect the hydraulic system for leaks or damage.
- Perform regular maintenance on the excavator to prevent damage to the Swing Gearbox.
Our Company
We are a company specializing in the production of high-quality spare parts for excavators, bulldozers, and other construction machinery. Our products include walking reducers, rotary reducers, gears, gear rings, transmission shafts, planetary carriers, wheel hubs, pump casings, swing shaft seats, end caps, gaskets, bearings, and oil seals. We produce over 12,000 types of excavator and bulldozer transmission parts, which are compatible with over 721 models.
Author
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


