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Reload this Page 1864 GT54 PTO belt size?
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  #11  
Old 06-14-2017, 01:13 PM
J-Mech J-Mech is offline
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Originally Posted by bugeye View Post
I use a 754-3001 belt on the 1864 with 54" GT deck.
Pretty sure that is what it should be. That's what CCC shows in the parts list, both on the website, and in the mower attachment manual. Don't know what the issue is, but I believe that belt should fit.

Not to say there aren't errors in the parts books..... because there are. Lots of them, actually.
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  #12  
Old 06-14-2017, 02:23 PM
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sorner sorner is offline
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Originally Posted by J-Mech View Post
Pretty sure that is what it should be. That's what CCC shows in the parts list, both on the website, and in the mower attachment manual. Don't know what the issue is, but I believe that belt should fit.

Not to say there aren't errors in the parts books..... because there are. Lots of them, actually.
The issue is the 754-3001 belt seems too small at least for my application. I've loosened the mule drive pulley on the right as far as it will go (the lock nut is at the end of the bolt) and it barely fit. I struggled to get it on over the PTO pulley. After two cuts, the belt flew apart and tangled around the middle pulley on the deck and tied itself in a knot. The center pulley is slightly larger on the GT54 than the one on my GT48, the 754-3001 belt fit ok on that. That's why I was thinking there's a slightly bigger belt for the GT54.
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  #13  
Old 06-15-2017, 09:37 AM
bugeye bugeye is offline
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The center pulley on my 54" deck is ~ 5.69" outside diameter.
The center pulley on my 48" deck is ~ 5.06" outside diameter.

I purchased the 54" deck new and has never been apart.

On the 48", the center pulley is smaller to increase tip speed to (I'm guessing) be equal to the 54" deck.

I install the PTO belt around the pulleys before I roll the deck rearward to lock into position. No stretching required.
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  #14  
Old 06-15-2017, 10:35 AM
J-Mech J-Mech is offline
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Originally Posted by bugeye View Post
The center pulley on my 54" deck is ~ 5.69" outside diameter.
The center pulley on my 48" deck is ~ 5.06" outside diameter.

I purchased the 54" deck new and has never been apart.

On the 48", the center pulley is smaller to increase tip speed to (I'm guessing) be equal to the 54" deck.

I install the PTO belt around the pulleys before I roll the deck rearward to lock into position. No stretching required.
The numbers you gave are a little different than the parts book specifies, but yes.... there is quite a difference in size between the two. I imagine that the tip speed is the same between the two.

The way you install the belt is the correct way. Any other way is too difficult. I don't know why you would even try to put the belt on after locking the deck in place. Sometimes it's hard enough to get it to latch in place doing it the "right" way.
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Old 06-15-2017, 03:56 PM
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Originally Posted by bugeye View Post
The center pulley on my 54" deck is ~ 5.69" outside diameter.
The center pulley on my 48" deck is ~ 5.06" outside diameter.

I purchased the 54" deck new and has never been apart.

On the 48", the center pulley is smaller to increase tip speed to (I'm guessing) be equal to the 54" deck.

I install the PTO belt around the pulleys before I roll the deck rearward to lock into position. No stretching required.
I hadn't even considered doing it that way, in my mind it seems like the tension of the mule drive spring would fight against getting the deck in place on the hanger. Even with the belt on and everything in place I thought the tension seemed too tight... but I could be wrong. It's happened once before.

I'll try that with the new belt when I get it. On every tractor I've ever owned the belt has enough slack in the mule drive spring to roll it on with the deck in place.
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  #16  
Old 06-15-2017, 08:24 PM
Ikea6e Ikea6e is offline
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You may be able to move where your hanging frame is attached to your mule drive to get a good fit.

Muel Drive Attach Points 2 CCI06152017_0005.jpg
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  #17  
Old 06-15-2017, 08:59 PM
Mike McKown Mike McKown is offline
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I wuz gonna' bring that up but.......................

Not all Mule drives have all those holes.
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  #18  
Old 06-16-2017, 05:57 PM
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I'll take a look at that, but here's a new wrinkle. I got a new 754-3001 in a red white and blue box today, I just went and put it on and it fits better.

Is it possible the old belt shrunk over time? I don't think so. I would think the only possibility is for it to stretch. Oh well. I'm back up and running now.


Edit:
I do have holes. Thanks a lot for that idea.
IMG_4124.jpg
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  #19  
Old 06-16-2017, 08:10 PM
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Sam Mac Sam Mac is offline
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I have my carriage mounted using the front holes.
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  #20  
Old 06-16-2017, 08:20 PM
Mike McKown Mike McKown is offline
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Default Re: 3001 belt
On one of the mower installation instructions with the 3001 belt, it tells you to use the aft hole until the belt stretches and then move it to the rear hole.

Can't be any more specific than that and too lazy to look it up.

I use the 3001 belt without problem on both the 48" and 54" deck on several different tractors without issue.
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