The swing gearbox, also known as the swing drive or swing motor, is a crucial component of an excavator. It is responsible for the smooth rotation of the excavator's upper structure. Here are the functions and uses:

The swing gearbox is installed on the excavator's upper structure, usually on the back of the cab. When activated, the swing gearbox transfers power to the swing gear, which rotates the upper structure of the excavator. The gearbox works by using hydraulic pressure to control the flow of fluid, which in turn controls the rotation of the swing gear.

Our swing gearbox is designed to perfectly fit the Excavator SANY SY135. Before purchasing, it is important to consider the following parameters:
| Parameter | Description |
|---|---|
| Swing diameter | The diameter of the swing circle |
| Motor displacement | The volume of hydraulic fluid displaced by the motor |
| Motor torque | The force that the motor can exert on the swing gearbox |
Over time, the swing gearbox may wear out and need to be replaced. Here are some signs that it may be time to replace the swing gearbox:
Proper maintenance of the swing gearbox can significantly extend its lifespan. Here are some tips for maintaining the swing gearbox:
Our swing gearbox is compatible with a wide range of excavator brands and models, including:
Please note that while we do not sell products for these brands, our swing gearbox can be adapted to fit their excavators for the convenience of our customers.
We are a company that specializes in producing high-quality spare parts for construction machinery such as excavators and bulldozers. We have various production equipment, excellent processing technology, and a high-quality production design and marketing team. Our main products include walking reducer assembly, rotary reducer assembly, gears and transmission shafts, planetary carriers, wheel hubs, pump shells, rotary shaft seats, end covers, gaskets, bearings, and oil seals. We have produced over 12,000 transmission parts for excavators and bulldozers, which are suitable for more than 633 machine models.
Author: Miya
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