The swing gearbox is an essential component of excavators and plays a vital role in their operation. It is responsible for the smooth rotation of the excavator's upper structure. The following are some of the functions and uses of the swing gearbox:
Below is an image of the Swing Gearbox:

The swing gearbox is installed in the excavator's upper structure and is responsible for rotating it. It works by transmitting power from the engine to the hydraulic motor, which drives the swing gearbox. The gearbox, in turn, rotates the excavator's upper structure. Below is an image that shows the installation of the swing gearbox in the excavator:

Our swing gearbox is designed to fit perfectly with Excavator Yuchai YC85. Before purchasing, there are some parameters that you need to confirm. The table below shows the required parameters:
| Parameter | Description |
|---|---|
| Swing Gearbox Model | The model of the swing gearbox |
| Excavator Model | The model of the excavator |
| Swing Diameter | The diameter of the excavator's upper structure swing circle |
The following are some of the signs that indicate that a new swing gearbox is needed for the excavator:
The following are some of the daily maintenance practices that can help prolong the lifespan of the swing gearbox:
Our swing gearbox is compatible with a wide range of excavator brands and models. The following are some of the common brands and models that we can adapt to:
Please note that we do not sell any products of the above-mentioned brands and models. They are only listed for convenience purposes for our customers to find the right fit for their excavator.
We are a company that specializes in producing high-quality engineering machinery spare parts, including walking reducer assemblies, rotary reducer assemblies, gears, gear rings, transmission shafts, planetary gears, wheel hubs, pump housings, rotary shaft seats, end covers, gaskets, bearings, oil seals, and other supporting products. We have configured various production equipment, introduced excellent processing technology, and have a high-quality production design and marketing team. Our company produces more than 12,000 transmission parts for excavators and bulldozers, and they are suitable for more than 709 machine models.
Author: Miya
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