The 6-4-7481-1 coupling shaft yoke is part of the 1710 series, designed for heavy-duty applications. It features a spline count of 46 and a spline diameter of 2.390 inches. The hub diameter measures 2.875 inches, with a through hole diameter of 2.750 inches. The centerline to end distance is 4.938 inches, and this yoke is classified as an HR style. Manufactured by Spicer, it incorporates a counterbore at the hub end, enhancing its fit and performance in various applications.