American Crane
Oil seal for American Crane 9310
This oil seal is designed for use in American Crane 9310, 9299, and CC3113 models. It serves to retain lubricants within mechanical assemblies while preventing the entry of external contaminants.
Parts diagram
Compatible models
Specifications
- Part number
- 810778
- Brand
- American Crane
The oil seal 810778 functions as a barrier within the mechanical systems of heavy lifting equipment. Its primary role is to maintain the presence of lubricants such as oil or grease inside an assembly while simultaneously blocking the ingress of environmental contaminants like dust, dirt, or moisture. By maintaining this seal, the component helps protect internal rotating or sliding parts from premature wear and corrosion. It is typically installed at points where shafts exit housings, such as in swing reducers, transmission shafts, or wheel hubs.
This component is compatible with American Crane models 9299, 9310, and the CC3113 crawler crane. It is engineered to meet the specific fitment requirements for these machines, ensuring proper contact and sealing pressure against the rotating shaft surface. Proper installation of this seal is necessary to prevent lubricant leakage, which could otherwise lead to insufficient lubrication of bearings and gears, potentially causing overheating or damage to expensive drivetrain components.
Oil seals generally consist of a sealing lip housed within a metal frame. The lip maintains constant contact with the shaft to create an effective seal, while the housing provides the structural rigidity needed for secure installation into the machine assembly.

