Description PTO Splined Adapter for Tractors up to 75 PTO H.P. - 1 3/8", 6 spline x 1 3/8", 6 spline - Extends PTO 4 9/16". This item is a suitable alternative for the following: 442-3200371, 033200371, 03-32-00371, 264203-32-00371, 332-371, 442-033200371, 48A22