I don't believe that the frames are different between the two. They both have linkage that connects to the transaxle, but from there it either goes into the transaxle, or splits and goes to each of the external brakes. Parts breakdown would probably paint a good picture of it.
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CCC 784 w/ Triple Hydraulics
IH 982
Cub Cadet Commercial H1748 Walk-Behind
50C Deck
42" Hydraulic Angle Front Blade
41" IH Rear Blade
QA42A Snowthrower
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