Swing Gearbox Fit for Excavator Komatsu PC40
Swing Gearbox Fit for Excavator Komatsu PC40
The Swing Gearbox is an integral part of an excavator's overall operation. It is responsible for the rotational movement of the excavator's upper structure. The gearbox is designed to provide the necessary torque to rotate the excavator's upper structure and attached equipment. Here's a closer look at what the Swing Gearbox is and how it works, as well as how it can be used in an excavator Komatsu PC40.

What is a Swing Gearbox?
The Swing Gearbox is a type of gearbox that is used to rotate the upper structure of an excavator. It is a vital component that allows the excavator to perform its various functions. The gearbox is designed to handle the high torque loads that are generated during the rotation of the upper structure.
How Does the Swing Gearbox Work?
The Swing Gearbox is connected to the hydraulic system of the excavator. When the operator activates the joystick, the hydraulic fluid is directed to the gearbox. The fluid then applies pressure to the internal components of the gearbox, causing it to rotate. The gearbox is designed with multiple gears to handle the high torque loads.

Where is the Swing Gearbox Installed in an Excavator?
The Swing Gearbox is typically installed in the excavator's upper structure, between the cab and the engine compartment. It is bolted to the excavator's mainframe and is responsible for the rotation of the upper structure.
Swing Gearbox Fit for Excavator Komatsu PC40
Our Swing Gearbox is specifically designed to fit the Excavator Komatsu PC40. It is built to withstand the demanding conditions of excavation work and is made with high-quality materials to ensure durability and longevity. Before purchasing our Swing Gearbox, it is important to note the following parameters:
| Parameter | Description |
|---|---|
| Machine Make | Komatsu |
| Machine Model | PC40 |
| Weight | 120 kg |
| Dimensions | 400mm x 400mm x 400mm |
When to Replace the Swing Gearbox?
Over time, the Swing Gearbox may begin to show signs of wear and tear. Here are some signs that it may be time to replace the Swing Gearbox:
- Unusual noises coming from the gearbox
- Difficulty rotating the upper structure
- Increased hydraulic fluid consumption
- Leaking hydraulic fluid
How to Maintain the Swing Gearbox?
Proper maintenance of the Swing Gearbox can help extend its lifespan. Here are some tips for maintaining the Swing Gearbox:
- Regularly check the gearbox for leaks and damage
- Ensure that the gearbox is properly lubricated
- Replace the gearbox oil at regular intervals
- Inspect the gears for wear and damage
Compatible Brands and Models
Our Swing Gearbox is compatible with a wide range of excavator brands and models. Here are some of the most common excavator brands and models that our Swing Gearbox is compatible with:
- Caterpillar
- Komatsu
- Volvo
- Hitachi
- Bobcat
About Our Company
We are a company that specializes in producing high-quality engineering machinery accessories such as walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary frames, wheel hubs, pump shells, slewing bearings, end caps, washers, bearings, and oil seals. Our company has various production equipment and imported excellent processing technology, as well as a high-quality production design and marketing team. Our products cover more than 12,000 types of transmission parts for excavators and bulldozers, which are suitable for more than 736 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


