The Case IH 399828R1 is a genuine OEM hand brake drum designed for a wide range of Case IH and International Harvester tractor models. This essential component ensures reliable and effective parking brake functionality. It is compatible with models including 1066, 1086, 1466, 1486, 1566, 1586, 3088, 3288, 3388, 3488, 3588, 3688, 3788, 4166, 4186, 4366, 4386, 4568, 4586, 4786, 5088, 5288, 5488, 6388, 6588, 6788, 7288, 7488, 7688, 7788, 886, 986, HYDRO 100, and HYDRO 186.