Allison
Ball 1/2 inch diameter for Allison transmissions
This 1/2 inch diameter ball serves as a precision component within Allison transmission systems. It is designed for use in valve assemblies or bearing applications to facilitate smooth mechanical movement.
Specifications
- Part number
- 145657
- Brand
- Allison
The 145657 ball is a precision component measuring 1/2 inch in diameter, engineered for integration into Allison transmission systems. Within these complex assemblies, the component functions as a critical element in valve operations or as a rolling element in bearing configurations. Its spherical geometry allows for consistent movement and precise seating within control systems.
This part is compatible with various Allison transmission models. It is manufactured to meet specific dimensional tolerances required for internal transmission hydraulics and mechanical control systems. The component ensures proper sealing and fluid regulation when used in check valves or serves as a load-bearing element in rotating assemblies.
In heavy-duty transmission systems, precision balls act as check valves to direct fluid flow or as detent mechanisms to maintain gear positioning. Their function is to provide a reliable seal or a low-friction contact point under the operational pressures found within the transmission housing.

