Swing Gearbox Fit for Excavator SANY SY330
Swing Gearbox Fit for Excavator SANY SY330
Swing gearbox, also known as swing drive, is a crucial component of an excavator that helps in rotating the excavator's upper structure. The gearbox is responsible for controlling the swing of the excavator's arm and bucket. Here are some key features and uses of the Swing Gearbox:
- Smooth and efficient swing operations
- Provides precise and accurate control
- High load-bearing capacity
- Ensures safety during swing operations

Installation and Functionality
The Swing Gearbox is installed in the upper structure of an excavator. It is responsible for controlling the swing of the excavator's arm and bucket. The gearbox controls the hydraulic pump, which provides the power to rotate the upper structure of the excavator. The swing gearbox ensures the smooth rotation of the upper structure, providing precise control and accuracy during swing operations. Here is an image of the Swing Gearbox installed in an excavator:

Compatibility and Parameters
Our Swing Gearbox is perfectly compatible with Excavator SANY SY330. Before purchasing the gearbox, you need to make sure of the following parameters:
| Parameter | Description |
|---|---|
| Model | Excavator SANY SY330 |
| Swing ratio | 10.5:1 |
| Maximum output torque | 45000Nm |
When to Replace Swing Gearbox
There are several signs that indicate that you need to replace the Swing Gearbox:
- Excessive noise during swing operations
- Oil leakage from the gearbox
- Difficulty in controlling the swing operations
- Vibration during swing operations
How to Maintain Swing Gearbox
Performing regular maintenance on the Swing Gearbox can significantly increase its lifespan. Here are some maintenance tips:
- Check the gearbox oil level regularly
- Change the gearbox oil after every 1000 hours of operation
- Inspect and replace damaged seals and gaskets
- Clean the gearbox exterior to prevent dirt accumulation
Compatible Brands and Models
Our Swing Gearbox is compatible with various excavator brands and models, including:
- Komatsu PC360-7/8/10
- Caterpillar 320D/320C/320B
- Hitachi EX350/EX360
- Volvo EC360B/EC360C
Note that we do not sell the above brands' products. We only mention them for the convenience of our customers when choosing the appropriate product for their equipment.
About Our Company
We are a leading manufacturer of high-quality spare parts for excavators, bulldozers, and other construction machinery. We have state-of-the-art production equipment, and our skilled production, design, and marketing teams ensure that our products meet the highest standards. We offer a wide range of products, including walking reducer assembly, rotary reducer assembly, gears, gear rings, transmission shafts, planetary frames, wheel hubs, pump housing, slewing bearing, end cover, gasket, bearing, oil seal, and other accessories. Our products are compatible with over 638 different machine models.
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


