This is a A-T20790 Steering Clutch Disc: 8.958" O.D., 30 internal teeth, fiber PN: T20790Main Description As Following : A-T20790 Steering Clutch Disc: 8.958" O.D., 30 internal teeth, fiber P.N: T20790 Replaces: T44128, AT117553 Replaces: AT117553 JOHN DEERE , T20790N JOHN DEERE , T44128 JOHN DEERE , Crossed From: WN-T20790 , , WNT20790 , Found in Section & Models : Clutch Parts > Steering Clutch, John Deere ARTICULATED DUMP TRUCK: 350C, John Deere INDUSTRIAL/CONSTRUCTION: 350, John Deere INDUSTRIAL/CONSTRUCTION: 350B, John Deere INDUSTRIAL/CONSTRUCTION: 350D, John Deere INDUSTRIAL/CONSTRUCTION: 355D, Transmission & Rear Axle > Brake Disc and Plates, John Deere INDUSTRIAL/CONSTRUCTION: 340D, John Deere SKIDDER: 440D, John Deere SKIDDER: 448D, John Deere SKIDDER: 540D, John Deere SKIDDER: 548D, John Deere SKIDDER: 640D, John Deere SKIDDER: 648D Associated Items : New Also A-JD-P-PC921, A-JD-S-SM2063, A-JD-O-OMT46859, A-JD-P-PC1169, A-JD-S-TM1032 And : Replaces: T44128, AT117553