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Reload this Page 44a Pulley 4" vs 5"
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  #1  
Old 05-21-2015, 05:18 PM
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Daniel1962 Daniel1962 is offline
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Default 44a Pulley 4" vs 5"
In my quest today to find the belt for my 1200/44a, My dealer actually has
2 of the 4" pulleys, # IH-126393-C1 brand new Old Stock
He also had the 5". I measured both.

There price is 38$
my question to you guys is just how much better performance can I get with a 4" ?

thank you

Dave
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1964 Cub Cadet 100,
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Old 05-21-2015, 05:22 PM
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jimbob200521 jimbob200521 is offline
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I can't give you raw data like % of increase in blade tip speed, HP required to drive 4" vs 5", nor can I give you personal experience from the upgrade. What I CAN give you is plenty of experience with the 5" pulley on the 44A deck. In my opinion (and based off of what I've read by guys that have done it), I'd say it would be beneficial if you cut wet, thick, or tall grass even somewhat regularly. At my current house, I used the 44A deck when I first moved in. For most of the yard, it did just fine; no complaints. But I have a couple areas that grow faster, thicker, and taller than the rest and in those areas, I would have liked a bit more from the deck (being driven by both a KT17 S1 & M18 so HP wasn't the issue) If you keep your yard trim, don't mow wet or anything like that, I wouldn't think there would be a need to upgrade.

That being said, I'm sure others will be along shortly to give some real world experience aka actual help
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Old 05-22-2015, 07:45 AM
OldCubby OldCubby is offline
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Quote:
Originally Posted by Daniel1962 View Post
In my quest today to find the belt for my 1200/44a, My dealer actually has
2 of the 4" pulleys, # IH-126393-C1 brand new Old Stock
He also had the 5". I measured both.

There price is 38$
my question to you guys is just how much better performance can I get with a 4" ?

thank you

Dave
I highly suggest you get the 4" pulley.
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Old 05-22-2015, 08:15 AM
R Bedell R Bedell is offline
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The IH-126393-C1 is the correct pulley for the QL tractors with a 44 inch deck.
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Old 05-22-2015, 08:30 AM
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Daniel1962 Daniel1962 is offline
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Quote:
Originally Posted by R Bedell View Post
The IH-126393-C1 is the correct pulley for the QL tractors with a 44 inch deck.

Ok thats great, What will be the correct Belt?

Thank you
Dave
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1976 Cub Cadet 1200 & 44A mower
1964 Cub Cadet 100,
No Attachments at this time, I do have a cart to pull stuff around.
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Old 05-22-2015, 09:15 AM
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j4c11 j4c11 is offline
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Quote:
Originally Posted by Daniel1962 View Post
my question to you guys is just how much better performance can I get with a 4" ?

Dave
Driving a 4" pulley with a 5" PTO would result in a 25% increase in speed, from 3600 rpm to 4500 rpm. Tip speed would increase proportionally.
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