belt pulleys

chucksoliver77

Well-known Member
i have 2 Oliver belt pulleys, one is 11 3/4" in diameter and is a K691A and the other is 9 1/2" in diameter and is a IL891. would either of these be for a 550? or is the big one for 770-880 and the small one for a super 66? thanks, chuck
 
The 550 pulley is completely different as it runs off the pto, you could probably trade that super 66 pulley for one as there both fairly hard to come by.
 
  If memory serves me correctly the 550 pulley has spokes designed to move air across the gearbox.  You are looking for E691-A pulley.
 

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