How to Identify the SAE Size of a Hydraulic Pump Spline

Jeff tackles a common question that we receive here at Palmer Johnson Power Systems, “How do you measure the SAE size of a hydraulic pump spline?” In his explanation, he outlines the essential measurements required to accurately identify the SAE size, focusing on the spline tooth count and the shaft diameter.

Download the SAE standards document below to assist in determining the SAE size of a hydraulic pump spline.