Terex
Oil seal for Terex HC230
This oil seal is designed for the Terex HC230 crawler crane. It functions to retain lubricants within the machine's rotating assemblies while preventing the ingress of external contaminants.
Parts diagram
Compatible models
Specifications
- Part number
- 0757 569 12
- Brand
- Terex
The oil seal 0757 569 12 serves as a containment barrier within the Terex HC230 crawler crane. Its primary function is to maintain fluid levels by preventing the leakage of lubricants or hydraulic fluids from internal systems. Simultaneously, it acts as a protective seal against the entry of external debris, such as dust, dirt, and moisture, which can compromise the integrity of internal components.
This component is specifically engineered for fitment in the Terex HC230. It is installed at critical interface points where shafts rotate or where components exhibit relative movement, such as within gearboxes, drive motors, or hydraulic pump assemblies. By maintaining a precise seal at these junctions, the component ensures that internal systems remain properly lubricated and shielded from environmental exposure.
In heavy machinery, oil seals are used to isolate mechanical systems from their surroundings. They are typically installed around rotating shafts to contain oil or grease and to exclude contaminants from sensitive bearing areas or gear sets. Proper installation of these seals is necessary to prevent fluid loss and to protect the internal mechanical environment from abrasive particles that could otherwise lead to premature wear of moving parts.

