Hydraulic pump input shaft part number N856647 for White Planters. This was taken out of a pump that was barely used. Barely meaning installed on a tractor and removed. It still has the dark grease on the splines. It is 1 3/4 X 20 spline. Any questions just ask. The item “N856647 SHAFT Massey White Planter Pump Large 1000 RPM PTO 20 Spline 1 3/4″ is in sale since Wednesday, February 08, 2017. This item is in the category “Business & Industrial\Heavy Equipment Parts & Accs\Tractor Parts”. The seller is “gmsmhg” and is located in Sainte Genevieve, Missouri. This item can be shipped to United States.