One New Aftermarket Steering Cylinder Fits Case/International 1066, 1086 Tractors, 1466 BACKHOE. Specifications Description: Steering Cylinder. Rod Diameter: 1″. Notes: Late production cylinder, 2 1/4″ from journal to end of cylinder body with threaded stub shaft on right side. 8″ rod travel, full left and right. Fits Case/International Harvester Part Number: 63864C91, 63864C92, 63864C93 Fits Models: Fits Case/International Harvester Tractor 1066 Fits Case/International Harvester Tractor 1466 Fits Case/International Harvester Tractor 1486 Fits Case/International Harvester Tractor 1566 Fits Case/International Harvester Tractor 1568 Fits Case/International Harvester Tractor 3088