
Swing gearbox, also known as swing drive, is a crucial component in excavators that provides the power to rotate the upper structure of the machine. It is responsible for the smooth and safe operation of the excavator by controlling the movement of the arm, boom, and bucket. Here are some functions and uses of the swing gearbox:

The swing gearbox is usually located at the base of the excavator's upper structure. It is connected to the hydraulic system of the excavator and receives power from the engine. The gearbox works by transmitting the rotational force from the engine to the slew ring gear, which rotates the upper structure of the machine. Here is the working principle of the swing gearbox:
Our swing gearbox is compatible with Excavator Daewoo DH420 and can be easily installed in the machine. Before purchasing the gearbox, you need to confirm the following parameters:
| Parameter | Description |
|---|---|
| Swing ratio | The ratio of the maximum swing speed to engine speed. |
| Maximum torque | The maximum torque the gearbox can handle. |
| Weight | The weight of the gearbox. |
| Dimensions | The dimensions of the gearbox. |
If your excavator shows any of the following signs, it may need a new swing gearbox:
Regular maintenance of the swing gearbox can extend its lifespan and improve the performance of the excavator. Here are some maintenance tips:
Our swing gearbox is compatible with a range of excavator brands and models. Here are some of the most common brands and models:
Please note that we do not sell products for the above-mentioned brands and models. The compatibility is provided for the convenience of our customers in selecting the appropriate gearbox for their machine.
We are a company dedicated to producing high-quality engineering machinery spare parts, including walking reducer assembly, rotary reducer assembly, gears, transmission shafts, planetary frames, wheel hubs, pump housings, slewing bearings, end covers, washers, bearings, oil seals, and other supporting products. Our products cover more than 12,000 kinds of transmission components for over 512 models of excavators and bulldozers. We have advanced production equipment, excellent processing technology, and a high-quality production design and marketing team.
Author: Miya
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