International Harvester Coupler Hub. 4" overall diameter
IH Number: Other Hydraulic Components Hub. 4" overall diameter, 4 7/16" mounting holes, smooth type, 2-3/4" spacing. 1-1/2" relief diameter, 7/16" depth. 13 spline center bore, 7/8" diameter
Part Reference Numbers: D140524;D90883
Fits Models: 480D INDUST/CONST; 480LL INDUST/CONST; 580D INDUST/CONST; 580SE INDUST/CONST