The Final Drive Travel Gearbox is a crucial component in the operation of an excavator such as the Komatsu PC220-7. Its main function is to transfer power from the hydraulic motor to the tracks, allowing the excavator to move. The travel gearbox is also commonly referred to as the final drive. Below is an image of the travel gearbox:

The travel gearbox is installed in the undercarriage of the excavator and works by utilizing a series of gears to transfer power from the hydraulic motor to the tracks. As the hydraulic motor turns, it rotates the input shaft of the travel gearbox. This input shaft is connected to a ring gear, which drives the planetary gears and sun gears to turn the output shaft. This output shaft is connected to the sprocket, which drives the track. The travel gearbox is responsible for providing the necessary power and torque to move the excavator.
The travel gearbox we produce is specially designed for the Komatsu PC220-7 excavator and has the following key features:
Our travel gearbox is designed to meet the specific needs of the Komatsu PC220-7 excavator. The performance parameters include:

When purchasing a travel gearbox, it is important to consider the following parameters:
| Parameter | Description |
|---|---|
| Type | The type of travel gearbox that is needed for the specific excavator model. |
| Model | The model of the excavator that the travel gearbox will be installed on. |
| Serial Number | The serial number of the excavator. |
There are several signs that indicate a travel gearbox may need to be replaced:
Proper maintenance can extend the lifespan of the travel gearbox:
When installing the travel gearbox on the Komatsu PC220-7 excavator, it is important to follow these steps:
Our travel gearbox is specifically designed for the Komatsu PC220-7 excavator. However, we can also provide travel gearboxes for the following brands and models:
Please note that while we can provide travel gearboxes for these brands and models, we do not sell products from these brands and models. We only provide compatible travel gearboxes for customer convenience.
We are a leading manufacturer of high-quality spare parts for construction machinery such as excavators and bulldozers. Our company was founded in 2000 and is equipped with the latest production equipment and technology. We have a team of highly skilled engineers and marketing professionals dedicated to providing our customers with the best possible products and services. Our main products include walking reducer assemblies, rotary reducer assemblies, gears, gear rings, drive shafts, planetary carriers, wheel hubs, pump casings, rotary shaft seats, and end caps, as well as seals and bearings. We offer more than 12,000 different spare parts for over 503 different models of excavators and bulldozers.
At our company, we are committed to providing our customers with the highest quality products and services. We are dedicated to ensuring that our spare parts meet or exceed the quality standards set forth by the original equipment manufacturers. Our goal is to provide our customers with the best possible value for their investment, and we strive to achieve this through innovation, dedication, and hard work.
Author: Miya
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