This is a A-AR53380 Flywheel with Ring Gear PN: AR53380Main Description As Following : A-AR53380 Flywheel with Ring Gear P.N: AR53380 Includes R28811 Ring GearReplaces: AR34238, AR40563; Marked R31638, R40729, R49529 Crossed From: AR34238 JOHN DEERE , AR40562 JOHN DEERE , R31638 JOHN DEERE , R40729 JOHN DEERE , R49529 JOHN DEERE Found in Section & Models : Engine Parts > Flywheels and Ring Gears, John Deere BACKHOE: 500A (Diesel; Power Shift Transmission), John Deere BACKHOE: 500B (Diesel; Power Shift Transmission), John Deere INDUSTRIAL/CONSTRUCTION: 500 (Diesel; Power Shift Transmission), John Deere INDUSTRIAL/CONSTRUCTION: 500C (Diesel; Power Shift Transmission), John Deere INDUSTRIAL/CONSTRUCTION: 510 (Diesel; Power Shift Transmission), John Deere TRACTOR: 3010 (Diesel; Power Shift Transmission), John Deere TRACTOR: 3020 (Diesel; Power Shift Transmission), John Deere TRACTOR: 4000 (Diesel; Power Shift Transmission), John Deere TRACTOR: 4020 (Diesel; Power Shift Transmission) Associated Items : New Also A-FRM-JD, A-JD-O-OMR32385, A-JD-P-PC736, A-JD-S-SM2038, A-SMJD203, A-FRM-JD, A-JD-O-OMR34406, A-JD-O-OMR41753, A-JD-O-OMR46012, A-JD-O-OMR48271, A-JD-P-PC1115, A-JD-P-PC858, A-JD-S-SM2038, A-JD-S-TM1005, A-SMJD203, A-JD-O-OMR46934, A-JD-O-OMR48273, A-JD-P-PC1116, A-JD-S-TM1006, A-SMJD203 And : Includes R28811 Ring Gear Replaces: AR34238, AR40563; Marked R31638, R40729, R49529