VARIATOR MOTOR BELT RIDE-ON MOWER MTD 600 SINGLE-BLADE 30". DISC 8 BLADES. FIRST SERIES OF 38" DOUBLE-BLADED PLATTERS. FIRST 42" DOUBLE-BLADED CYMBAL SERIES. SIDE DISCHARGE RS 115, RS 96 SIDE DISCHARGE 38" section: 5/8" x 52" Code: 520151 Original code: 7540280 MTD (COLUMBIA - WHITE - YARDMAN)