FREewHEEL DRIVE TRACTION RIDER lawnmower mower mower mower CC 949 989 997 S 621 SCR 621 SRE 621 gear 6 teeth PULLEY : Ø 141mm TOTAL LENGTH : 140mm ATTACHMENT : 12.6mm MTD - CUBCADET - YARDMAN - WHITE Original code : 020571 Original code : 6180263A AT