Swing gearbox, also known as swing drive or swing motor, is an essential component of an excavator. It is responsible for the rotary movement of the excavator's upper structure, which includes the operator's cab, engine, and hydraulic system.
The swing gearbox performs the following functions:
Without the swing gearbox, the excavator cannot rotate, making it difficult to perform various digging and lifting tasks. The swing gearbox is used in various excavator applications such as construction, mining, forestry, and agriculture.

The swing gearbox is installed in the excavator's undercarriage and connected to the upper structure through a slewing ring. The gearbox receives hydraulic power from the excavator's hydraulic system, which is then converted into mechanical power through a series of gears and bearings. The resulting output is used to rotate the upper structure.

Our Swing Gearbox model is compatible with Excavator Kobelco SK210-8. Before purchasing, make sure to determine the following parameters:
| Parameter | Description |
|---|---|
| Excavator model | The specific excavator model that the swing gearbox will be installed in. |
| Hydraulic flow rate | The hydraulic flow rate required by the swing gearbox. |
| Maximum torque | The maximum torque that the swing gearbox can generate. |
Here are some signs that indicate the need for swing gearbox replacement:
Daily maintenance of the swing gearbox can significantly extend its lifespan. Here are some maintenance tips:
We can adapt our swing gearbox to various excavator brands and models, including:
Note that we do not sell products for the above brands and models, and they are only mentioned for customer convenience in selecting the appropriate product.
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 and advanced processing technology and also possess a high-quality production design and marketing team. Our main products include walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary gears, wheel hubs, pump shells, slewing bearings, end covers, gaskets, bearings, oil seals and other supporting products. Our products have been adapted to over 12,000 kinds of construction machinery parts and more than 667 models.
Author: Miya
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