Swing gearbox, also known as the swing drive, is an important part of an excavator that helps the machine to rotate. It is responsible for transferring the power from the engine to the excavator's slewing ring, which allows the excavator to turn in a circular motion. Here are some of the main functions of the swing gearbox:
Our Swing Gearbox Fit for Excavator Komatsu PC450-7 is a top-quality gearbox that is designed to provide excellent performance and reliability. Here's a picture of the gearbox:

The swing gearbox is installed in the excavator's upper structure, specifically on the slewing platform. It is connected to the engine via hydraulic pumps and motor. The working principle of the swing gearbox is relatively simple - it receives power from the engine, which is then transferred to the excavator's slewing ring. The slewing ring enables the upper structure to rotate, allowing the operator to change the direction of the excavator.
Here's a picture of the swing gearbox installed in the excavator:

Our Swing Gearbox Fit for Excavator Komatsu PC450-7 is designed to fit perfectly with the Excavator Komatsu PC450-7 model. Before purchasing, make sure to confirm the following parameters:
| Parameter | Description |
|---|---|
| Excavator Model | Excavator Komatsu PC450-7 |
| Swing Ratio | 1:3.33 |
| Hydraulic Motor | Rexroth A6VM107 |
| Oil Seal | NOK |
Over time, the swing gearbox may wear out due to continuous use. Here are some signs that indicate you need a new swing gearbox:
Proper maintenance of the swing gearbox is crucial to extend its lifespan. Here are some maintenance tips:
Our Swing Gearbox Fit for Excavator Komatsu PC450-7 is compatible with a variety of excavator brands and models, including:
Please note that while we are able to adapt our gearbox to fit a variety of excavator models, we do not sell products for the above-mentioned brands and models. The brands and models mentioned are for customer reference only.
We are a company that specializes in manufacturing high-quality spare parts for excavators, bulldozers, and other construction machinery. We have a wide range of production equipment, and we utilize the latest processing technology to ensure that all our products meet the highest standards of quality. Our product line includes walking reducers, rotary reducers, gears, shafts, planetary frames, wheel hubs, pump housings, rotary shaft seats, end covers, gaskets, bearings, and oil seals. We produce more than 12,000 types of transmission parts for over 604 different machine models.
Author: Miya
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