13 inch PP with Independent PTO 29 spline PTO hub. Includes 13 inch clutch disc, 1 inch hub, 10 spline Spring Drive Disc, New release & pilot bearing with clutch alignment tool. Tractors: 250C, 260C, 2810, 2910, 3230, 340, 340A, 340B, 3430, 345C, 345D, 3910, 3930, 4110, 4130, 445, 445A, 445C, 445D, 450, 455, 4610, 4630, 4830, 5030, 540, 540A, 540B, 545, 545A, 545C, 545D, 550, 555, 555A, 555B, 655, 655A.