The 6.5-4-4631 yoke is part of the 1810 series, designed for heavy-duty applications. It features a spline count of 54 and a spline diameter of 2.794 inches. The through hole measures 2.750 inches, while the centerline to end distance is 5.625 inches. This yoke is classified under the BP style and is manufactured by Spicer. It has a hub diameter of 0.000 inches, which indicates it is designed for specific installation requirements.