Genuine Case IH 3159673R1 splined shaft, featuring 19 splines, a 31.75 mm (1.250 inch) diameter, and an overall length of 263.525 mm (10.375 inch). This OEM shaft is engineered for robust performance in various Case IH and International Harvester agricultural machinery. It provides precise fitment for tractor models including 485, 585, 685, 785, 885, 995, 3210, 3220, 3230, 4210, 4220, 4230, 4240, and loader models 510, 520, 530, 540, 550, ensuring reliable power transmission.