P&H
Oil seal for P&H 670 WLC
This oil seal is designed for the P&H 670 WLC crane. It functions to retain lubricant within rotating assemblies while preventing the ingress of external contaminants.
Compatible models
Specifications
- Part number
- 18Z479D9
- Brand
- P&H
The oil seal 18Z479D9 serves as a barrier in rotating machinery, positioned at the interface of shafts and housings. Its primary role is to maintain the internal lubrication of systems such as gearboxes, transmissions, and axles, while simultaneously blocking dust, dirt, and moisture from entering the assembly. By maintaining this barrier, the seal protects internal components like bearings and gears from contamination and fluid loss.
This specific component is engineered for use in the P&H 670 WLC crane. It is designed to fit the mechanical configurations found in this model, ensuring a precise interface between the sealing lip and the rotating shaft surface. Proper installation is necessary to maintain the integrity of the machine's drivetrain and hydraulic drive systems.
Oil seals are used throughout heavy machinery to isolate moving parts from the surrounding environment. They typically feature a flexible sealing lip that maintains contact with the shaft, often supported by a tensioning spring to ensure consistent pressure. This design allows the seal to accommodate minor shaft runout while providing a barrier against fluid leakage and environmental debris.

