Terex
Plug with O-ring for Terex BT4792
This plug with O-ring is designed for the swing gear box assembly on Terex BT4792 cranes. It serves to seal maintenance ports, filling points, or drainage openings within the gear housing.
Parts diagram
Compatible models
Specifications
- Part number
- 901-00277
- Brand
- Terex
The 901-00277 plug with O-ring is a component used in the swing gear box assembly of Terex BT4792 cranes. It functions by sealing specific openings in the gear box housing, such as inspection ports, fluid filling points, or drainage locations. The integrated O-ring creates a seal that prevents lubricant leakage and protects the internal gear and bearing environment from external contaminants like dust, dirt, and moisture.
This component is compatible with the Terex BT4792 model. It ensures that the internal lubrication remains contained within the swing gear system, which supports the controlled rotation of the crane superstructure. By maintaining a sealed environment, the plug helps prevent the loss of oil and the ingress of debris that could otherwise impact the operation of the gear assembly.
In heavy machinery, plugs of this type are used to close off access points in hydraulic or mechanical gear systems. They provide a secure closure for ports that are not in use or that require periodic access for maintenance, ensuring the integrity of the system housing.

