DRIVE TRAIN (Cont’d) Ref. Part No. Number Description Remarks Serial Number Qty. 32 Model 553AF Loader Parts 1 2 6548891 6630205 6515191 SPROCKET DRIVE CHAIN LINK connector 4 4 4 3 4 5 791442 6714469 6564740 SNAP RING SPROCKET WASHER 4 2 8 6 7 8 6564741 6706104 6708059 BOLT RETAINER NUT CHAINCASE 8 1 1 9 10 11 25K--30424 86D--8 O--RING MOTOR NUT hydro. -- See Page 77 2 2 8 12 6731121 PLUG 1