Swing Gearbox Fit for Excavator Caterpillar E320D
Swing Gearbox Fit for Excavator Caterpillar E320D
The Swing Gearbox, also known as the swing drive, is an essential part of an excavator that controls the rotation of the excavator's cab and upper structure. Without it, the excavator would not be able to dig or move properly. Here are some important features and uses of the Swing Gearbox:
- Helps the excavator rotate 360 degrees, making it easier to move and dig in any direction.
- Provides torque to the upper structure of the excavator, allowing it to move and lift heavy objects.
- Transfers power from the engine to the hydraulic pumps, which control the excavator's movement.

Installation and Function
The swing gearbox is usually located underneath the cab of the excavator and is connected to the slew ring gear. When the hydraulic motor of the gearbox rotates, it drives the slew ring gear, which turns the excavator's upper structure. The gearbox also controls the excavator's swing speed and direction.

Compatibility with Excavator Caterpillar E320D
Our Swing Gearbox is specifically designed to fit the Excavator Caterpillar E320D. Before purchasing, it's important to consider the following parameters:
| Parameter | Description |
|---|---|
| Part Number | The specific part number required for the Caterpillar E320D |
| Swing Ratio | The ratio between the hydraulic motor's rotation and the upper structure's rotation |
| Output Torque | The maximum torque the gearbox can provide to the upper structure |
| Weight | The weight of the gearbox and its impact on the excavator's performance |
Signs You Need to Replace Your Swing Gearbox
Like any other part of the excavator, the Swing Gearbox needs regular maintenance and may eventually need to be replaced. Here are some signs that it's time to replace your Swing Gearbox:
- Unusual noises coming from the gearbox during operation
- Reduced swing speed or power
- Leaking hydraulic fluid from the gearbox
- Excessive wear or damage to the gearbox
How to Maintain Your Swing Gearbox
Regular maintenance can extend the life of your Swing Gearbox and prevent costly repairs. Here are some maintenance tips:
- Check the gearbox for leaks and damage regularly
- Monitor the hydraulic fluid levels and replace as necessary
- Keep the gearbox clean and free of debris
- Perform regular inspections and lubrication according to the manufacturer's guidelines
Compatible Brands and Models
Our Swing Gearbox can be used with a wide range of excavator brands and models, including but not limited to:
- Caterpillar
- Komatsu
- Hitachi
- Volvo
Please note that we do not sell products for these brands, and they are listed only for customer convenience.
About Our Company
We are a company specializing in the production of high-quality engineering machinery spare parts, including walking reducers, rotary reducers, gears, and other related products. Our products are suitable for over 12,000 excavator and bulldozer models. We have advanced equipment, excellent processing technology, and a high-quality production design and marketing team. Our goal is to provide customers with the best possible service and quality products.
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


