This is a A-RE29816 Disc, Brake Piston/ Clutch Drum PN: RE29816Main Description As Following : A-RE29816 Disc, Brake Piston/ Clutch Drum P.N: RE29816 Outside Diameter: 5.256"Replaces: AR71561, AR83798Spline Count: 45 Crossed From: AMRE29816 , , AR71561 JOHN DEERE , AR83798 JOHN DEERE , AR92348 JOHN DEERE , WN-RE29816 , , WNRE29816 , , 1412-6008 , , 14126008 , Found in Section & Models : Transmission & Rear Axle > Clutch Disc: Trans and PTO, John Deere TRACTOR: 40, John Deere TRACTOR: 4030 (w/ Quad, SN 011989->), John Deere TRACTOR: 4030 (w/ Quad, SN 015106->), John Deere TRACTOR: 4040 (w/ Quad), John Deere TRACTOR: 4040S, John Deere TRACTOR: 4050 (w/ powershift), John Deere TRACTOR: 4050 (w/ powershift, MFWD), John Deere TRACTOR: 4050 (w/ Quad), John Deere TRACTOR: 4055 (w/ Quad), John Deere TRACTOR: 4055 (MFWD), John Deere TRACTOR: 4230 (w/ Quad, SN 026634->), John Deere TRACTOR: 4230 (w/ Quad, SN 034664->), John Deere TRACTOR: 4240 (w/ Quad), John Deere TRACTOR: 4240S, John Deere TRACTOR: 4250 (w/ powershift), John Deere TRACTOR: 4250 (w/ powershift, MFWD), John Deere TRACTOR: 4250 (w/ Quad), John Deere TRACTOR: 4255 (w/ Quad), John Deere TRACTOR: 4255 (MFWD), John Deere TRACTOR: 4350 Associated Items : New Also A-FRM-JD, A-JD-O-OMT2455, A-JD-P-PC862, A-JD-S-SM2013, A-JD-S-SM2024, A-JD-S-SM2029, A-JD-S-SM2045, A-JD-S-SM2050, A-SMJD201, 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 And : Outside Diameter: 5.256" Replaces: AR71561, AR83798 Spline Count: 45