Door Cylinder Kit mounts on the right side door and door frame to allow tractor cab door to open wider for improved access into cab. Can fit International-Harvester 886, 986, 1086, 1486, 1586, 3388, 3588, 3788, Hydro 186, 3088, 3288, 3488, 3688, 5088, 5288, 5488, 6388, 6588, 6788, 6388, 6588, 6788, 3388, 3588, 3788, 2388, 2588, 2788.