The Spline Wear Gauge Pin provides measurement of spline wear on hydraulic pump and motor shafts, ensuring accurate evaluation of shaft condition. It helps identify wear levels that could affect performance and guides maintenance decisions to avoid unexpected failures. It involves choices about reusing or replacing shafts, improving reliability, and operational efficiency. It enhances inspection accuracy and supports effective maintenance planning, extending component service life and reducing unnecessary downtime.Attributes:• Measures spline wear on hydraulic pump shafts to support reuse decisions.• Supports accurate inspection of the shaft spline engagement condition.• Enables reliable comparison between measured wear and acceptable limits.Applications: The Spline Wear Gauge Pin is applied during inspection of hydraulic pump and motor shafts within hydraulic systems. It measures spline wear levels to support decisions on continued operation or replacement.