Swing Gearbox Fit for Excavator Doosan DX340
Swing Gearbox Fit for Excavator Doosan DX340
The Swing Gearbox, or swing drive, is an essential part of the excavator. It is responsible for rotating the excavator cab and the arm or boom attached to it. The gearbox works by transmitting power from the engine through hydraulic fluid to the motor, which then turns the excavator.
Function and Use
- The Swing Gearbox allows for smooth and efficient rotation of the excavator cab and arm.
- This component is vital for many excavator functions, including digging, trenching, and demolition.
- It also helps to maintain the stability of the excavator while it is in operation.

Installation and Operation
The Swing Gearbox is located between the undercarriage and the excavator's upper structure, and it is attached to the frame by bolts. It operates using hydraulic fluid, which is pumped from the excavator's main hydraulic system. When the operator activates the swing function, the hydraulic motor turns the gearbox, which rotates the excavator cab and arm.

Compatibility and Parameters
Our Swing Gearbox is specifically designed to fit the Excavator Doosan DX340 model. Before purchasing, customers need to ensure the following parameters:
| Parameter | Description |
|---|---|
| Excavator Model | Doosan DX340 |
| Swing Speed | 10-15 RPM |
| Motor Type | Hydraulic |
Signs of Wear and Tear
- Unusual noises or grinding sounds while the Swing Gearbox is in operation
- Excessive vibration when the excavator is in use
- Sluggish or unresponsive swing function
Daily Maintenance
- Regularly check hydraulic fluid levels and top off as needed
- Inspect Swing Gearbox for damage, wear, and leaks
- Ensure proper lubrication of all components
Compatible Excavator Brands and Models
Our Swing Gearbox is compatible with a variety of excavator brands and models, including:
- Caterpillar
- Komatsu
- Volvo
- Hitachi
- Hyundai
- Kobelco
At our company, we specialize in producing high-quality spare parts for excavators, bulldozers, and other construction machinery. With various production equipment, advanced processing techniques, and a high-quality production design and marketing team, our main products include:
- Final Drive Assembly
- Swing Gearbox Assembly
- Gears, Ring Gears, and Shafts
- Planetary Gearboxes, Hubs, Pump Shells, Swing Axle Seats, and End Covers
- Washers, Bearings, Seals, and Other Supporting Products
Our transmission parts for excavators and bulldozers cover more than 12,000 types, suitable for over 526 models. We are committed to providing customers with high-quality products and comprehensive after-sales service.
Author: Miya
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