Cub Cadet FAQ's
44" & 50" Deck Pulley Info
Info by Steve Blunier
IH 126393-C1 44A decks with serial number 81742 and above.
all other decks (44, 50, 50A) list IH 59703-C3(some list C-2 as well) as correct.
Including a note about 44" decks below serial # 81741. (large pulley)
NOTE: These numbers are only good for YELLOW tractors.
The 5/8" belt on the 82 series requires a different pulley.