This is a A-AT74236 Pressure Plate: 12", 3 lever PN: AT74236Main Description As Following : A-AT74236 Pressure Plate: 12", 3 lever P.N: AT74236 Spline Count: 27Spline Diameter: 1 750" Replaces: AT29611 JOHN DEERE Found in Section & Models : Clutch Parts > Single Clutch, John Deere INDUSTRIAL/CONSTRUCTION: 340D, Clutch Parts > Syncro/Quad Range, John Deere SKIDDER: 440, John Deere SKIDDER: 440A, John Deere SKIDDER: 440B, John Deere SKIDDER: 440C, John Deere SKIDDER: 440D (S/N <509490), John Deere SKIDDER: 448D (S/N <509490) Associated Items : New Also A-JD-S-SM2023, A-JD-MCREPRO, A-JD-O-OMT54859, A-JD-S-SM2023 And : Spline Count: 27 Spline Diameter: 1 750"