The 44/50A series of mower decks were first introduced for the 1x8/9 Series of Cub Tractors.
When the Quietline Series of Tractors were introduced, they also used the 44/50A series of Mower Decks. One of the differences between the 1x8/9 and the Quietline Series Tractors, was the 1x8/9 had a Mechanical PTO while the Quietline's had an Electric PTO. The Diameters of the PTO Pulleys were different and necessitated the change in the Center Pulley of the 44/50A decks to maintain the RPM speed. Thus, the Center Pulley was downsized for Quietline Tractors.
There is NO such thing as a "speed up" pulley by Cub Cadet. Using the later pulley on the 1x8/9 tractors made the deck spin faster.
Original Pulley: IH-59703-C2 for 1x8/9 Tractors - Deck S/N: <81471
Update Pulley: IH-126393-C1 for Quietline Tractors - Deck S/N: 81472>
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[B]Roland Bedell[/B]
CC Models: 100, 105, 1450, 782, (2) 784, & 2072
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