Oregon 75-169 1/2" by 84-1/6" Lawn Mower Belts Oregon 75-169 Replacement Mower Deck Belt Size: 1/2" x 84-1/6" Mower Deck Belt Primary mower drive belt. Tractor to mower, 50" deck with 20 & 22 HP Kohler engines, & 46" deck with 18HP Kohler engines (194-1995) & (1997-1998) Replaces AYP 139573, 130801, 160855, 532139573