Swing Gearbox Fit for Excavator Caterpillar E330D
Swing Gearbox Fit for Excavator Caterpillar E330D
The Swing Gearbox, also known as the swing drive or swing motor, is an essential component of the excavator's rotation system. It is responsible for transferring power from the engine to the turntable, allowing the excavator to rotate left or right. Here are some of the main features and uses of the Swing Gearbox:
- Transfers power from the engine to the turntable
- Allows the excavator to rotate left or right
- Provides smooth and precise control of the excavator
- Ensures the stability and safety of the excavator during operation

Installation and Functionality
The Swing Gearbox is typically installed on the excavator's turntable, which is located between the upper and lower frame. Its main function is to transfer power from the engine to the turntable, allowing the excavator to rotate. Here is how it works:
- The engine transfers power to the hydraulic pump
- The hydraulic pump sends high-pressure oil to the Swing Gearbox
- The Swing Gearbox converts the oil pressure into rotational force
- The rotational force is transferred to the turntable, causing it to rotate

Compatibility and Parameters
Our Swing Gearbox is designed to fit perfectly with the Excavator Caterpillar E330D. Before purchasing, it is important to verify the following parameters:
| Parameter | Description |
|---|---|
| Brand | Caterpillar |
| Model | E330D |
| Part Number | 123456789 |
Signs of Wear and Tear
Over time, the Swing Gearbox may wear out and need to be replaced. Here are some signs that the Swing Gearbox may need to be replaced:
- Unusual noises coming from the rotation system
- Difficulty rotating the excavator
- Leaking hydraulic fluid
- Excessive vibration during operation
Maintenance Tips
Proper maintenance can help prolong the lifespan of the Swing Gearbox. Here are some tips:
- Check the oil level regularly
- Replace the hydraulic fluid according to the manufacturer's recommendations
- Ensure the hydraulic filters are clean and functioning properly
- Inspect the Swing Gearbox for leaks and damage
Compatible Brands and Models
Our Swing Gearbox is compatible with a wide range of excavator brands and models, including but not limited to:
- Komatsu PC200-7
- Hitachi EX200-2
- Volvo EC210B
- Hyundai R210LC-7
Please note that while we do not sell products for these specific brands and models, our Swing Gearbox is compatible with them for the convenience of our customers.
About Us
We are a company that specializes in producing high-quality spare parts for construction machinery, including excavators and bulldozers. We have a variety of production equipment and excellent processing technology, as well as a high-quality production design and marketing team. Our main products include walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary frames, hubs, pump housings, rotary shaft seats, end caps, gaskets, bearings, oil seals, and other supporting products. We have produced over 12,000 types of transmission components for excavators and bulldozers, which are suitable for more than 551 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


