Part Number 11537 - A Used Washer (17/32" I.D. x 1-3/4" O.D. x 3/16" Thick) For Holding The Large Belt Pulley On A Massey Ferguson 106, 107, 108, 109 Disc Mowers, Hesston 1004, 1005, 1006, 1007, 1008 Disc Mowers, New Idea 5406, 5407, 5408, 5409, 5410 Disc Mowers and Also Fits A New Idea 813, 815, 820 Platform, New Idea 701, 702, 702D, 703, 704, 706, 706D, 707 Power Units, New Idea 507, 509, 5107, 5109 Mower Conditioners, New Idea 352, 353, 354 Manure Spreaders, Challenger 7610, 7630 Strip Till, Agco 7610, 7630 Strip Till, Sun Flower 7610, 7630 Strip Till, Massey Ferguson 7610, 7630 Strip Till, New Idea 4854, 4865 Round Balers.