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What's the difference in the 4.5" & 6" pto drives
- Thread starter jcondon
- Start date
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jchamberlin
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- Jul 19, 2010
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- Farmville, North Carolina
- displayname
- Jeremiah Chamberlin
Jim: I believe the deck pulleys interchange, or at least I hope they do, because I bought a 6" deck pulley to match my 6" PTO. It is recommended that the size of the PTO and deck pulley match in order not to over- or under-drive the deck. Blade speed will be affected, and, if over-driven, the bearings will experience more wear. Finding the proper belt to fit can also be a challenge. However, if you want to live dangerously, try matching a 6" PTO up to a 4.5" deck pulley to speed up those blades!
Seriously, it sounds like your PTO is 4-1/2" and the deck you're looking at has a 6" pulley, I would swap the pulley on the deck for a 4-1/2" version and use the same belt --you should be good to go.
One final thought, the 6" and 4-1/2" pulleys I'm talking about are for the 82 series (and later) tractors which use the 5/8" wide belts. If you're talking about fitting a 54" deck to a Quiet Line or earlier Cub Cadet which uses the 3/8" drive belt, then you would need to use the 4-1/2" "speedup" pulley designed for the "A" decks which still interchanges with the 82 series "C" decks (and later, I presume).
Good luck.
Seriously, it sounds like your PTO is 4-1/2" and the deck you're looking at has a 6" pulley, I would swap the pulley on the deck for a 4-1/2" version and use the same belt --you should be good to go.
One final thought, the 6" and 4-1/2" pulleys I'm talking about are for the 82 series (and later) tractors which use the 5/8" wide belts. If you're talking about fitting a 54" deck to a Quiet Line or earlier Cub Cadet which uses the 3/8" drive belt, then you would need to use the 4-1/2" "speedup" pulley designed for the "A" decks which still interchanges with the 82 series "C" decks (and later, I presume).
Good luck.
sblunier
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- Aug 4, 2006
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- Steve Blunier "Mr. Plow" (Central IL)
I have the exact same set up...54" off of later model on 82 series. Use the center deck pulley off of a 50C or 44C deck and all will be well.
4.5" PTO driving a 6" deck will result in terrible performance (slow deck blades).
BTW,
I have 2 54" decks, on under my 782 and one on my ZTR.......they are one of Cub Cadets crown jewels......they are very nice cutting and high capacity decks!!!!
4.5" PTO driving a 6" deck will result in terrible performance (slow deck blades).
BTW,
I have 2 54" decks, on under my 782 and one on my ZTR.......they are one of Cub Cadets crown jewels......they are very nice cutting and high capacity decks!!!!
- Joined
- Dec 3, 2005
- Messages
- 812
- displayname
- Binder 1650
Never seen one of these 54 inch decks - anyone have a pic they could post?
Would one of theses 54 inch decks fit under a 1x8/9 or QL series tractor? Sounds interesting.
Would one of theses 54 inch decks fit under a 1x8/9 or QL series tractor? Sounds interesting.
