Swing Gearbox Fit for Excavator Caterpillar E349D
Swing Gearbox Fit for Excavator Caterpillar E349D
The swing gearbox is a key component in an excavator that provides rotational power to the excavator's upper structure. The gearbox is responsible for controlling the movement of the excavator arm, which is essential for excavating and digging tasks. The following are the benefits and purposes of using a swing gearbox:
- Controls the excavator arm movement
- Enables the excavator to dig and excavate with precision
- Provides rotational power to the upper structure of the excavator

Installation and Function
The swing gearbox is installed in the excavator's upper structure and is responsible for providing rotational power. It works by utilizing hydraulic pressure to transfer power from the engine to the gearbox. The gearbox then transmits this power to the excavator's arm, enabling it to move and excavate. The following is the function and working principle of the swing gearbox:
- Provides rotational power to the excavator arm
- Works through hydraulic pressure
- Transmits power from the engine to the gearbox

Compatibility and Parameters
Our swing gearbox is compatible with the Excavator Caterpillar E349D. Before purchasing, it is essential to consider the following parameters:
| Parameter | Description |
|---|---|
| Model Number | The model number of the excavator |
| Swing Ratio | The ratio between the upper and lower parts of the swing gearbox |
| Pinion Teeth | The number of teeth on the pinion gear |
Replacement and Maintenance
There are certain indications that a new swing gearbox is needed, including:
- Unusual noises during operation
- Leaking oil or hydraulic fluid
- Decreased excavating power
To extend the lifespan of the swing gearbox, regular maintenance is required. The following are some maintenance tips:
- Regularly check for leaks and damage
- Inspect hydraulic fluid levels and quality
- Clean and lubricate the gearbox regularly
Compatible Brands and Models
Our swing gearbox is compatible with various excavator brands and models, including:
- Komatsu PC200-8
- Hitachi ZX200-3G
- Volvo EC210BLC
Please note that we do not sell products for the above-mentioned brands and models. We only use them as a reference to assist customers in selecting the appropriate product for their excavator.
About Us
We are a company that specializes in producing high-quality engineering machinery parts, including walking reducers, swing reducers, gears, drive shafts, planetary frames, wheel hubs, pump casings, rotary shaft seats, end covers, washers, bearings, oil seals, and other supporting products. Our company has over 12,000 transmission parts for excavators and bulldozers, and they are applicable to more than 556 models. We have various production equipment and excellent processing technology, and we also have a high-quality production design and marketing team.
Author: Miya
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.
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