This is a A-R61066 Plate, PTO Clutch PN: R61066Main Description As Following : A-R61066 Plate, PTO Clutch P.N: R61066 Inside Diameter: 6.940"Replaces: R51800, R59689 Crossed From: AMR61066 , , R51800 JOHN DEERE , R59689 JOHN DEERE , WN-R61066 , , WNR61066 , , 1412-6038 , , 14126038 , Found in Section & Models : Clutch Parts > Syncro/Quad Range, John Deere TRACTOR: 4030, John Deere TRACTOR: 4040, John Deere TRACTOR: 4040S, John Deere TRACTOR: 4050, John Deere TRACTOR: 4055, John Deere TRACTOR: 4230 (027566->), John Deere TRACTOR: 4240, John Deere TRACTOR: 4240S, John Deere TRACTOR: 4250, John Deere TRACTOR: 4255, John Deere TRACTOR: 4430, John Deere TRACTOR: 4440, John Deere TRACTOR: 4450, John Deere TRACTOR: 4455, John Deere TRACTOR: 4555, John Deere TRACTOR: 4560, John Deere TRACTOR: 4630, John Deere TRACTOR: 4640, John Deere TRACTOR: 4650, John Deere TRACTOR: 4755 Associated Items : New Also A-FRM-JD, A-JD-S-TM1055, A-SMJD50, A-JD-O-OMR65460, A-SMJD202, A-FRM-JD, A-JD-O-OMR65347, A-JD-S-TM1056, A-SMJD50, A-JD-O-OMR65460, A-SMJD202, A-FRM-JD, A-JD-O-OMR65532, A-JD-P-PC1295, A-JD-S-TM1057, A-JD-S-TM1172, A-SMJD50, A-JD-O-OMR65461, A-JD-S-TM1182, A-SMJD202 And : Inside Diameter: 6.940" Replaces: R51800, R59689