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D7 3t thermoids

D7 3t thermoids

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Moparnut88
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Hi just picked up a new to me d7 today runs decent. Started tearing into it and the thermoids are all but gone. Where can I get them or what is my options. I thought about making my own. I’ve heard of nylon being used as well instead of belt material. Thnks for the help.
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Sun, Feb 16, 2020 11:14 AM
Bruce P
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I got mine from Cat when I did my 7M. They weren’t too bad as I remember. It’s a bear to do by yourself, but check your engine/transmission alignment while you’re in there. Could be the reason the old ones were shot. Good luck with your project

BP.
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Sun, Feb 16, 2020 11:36 AM
Andrew
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Reply to Bruce P:
I got mine from Cat when I did my 7M. They weren’t too bad as I remember. It’s a bear to do by yourself, but check your engine/transmission alignment while you’re in there. Could be the reason the old ones were shot. Good luck with your project

BP.
I would have thought your machine should have a oil clutch.
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Mon, Feb 17, 2020 3:37 AM
seyser
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Reply to Andrew:
I would have thought your machine should have a oil clutch.
The oil clutch started with 3T23647 so this machine was built just a bit before that.
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Mon, Feb 17, 2020 7:00 PM
Moparnut88
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Reply to seyser:
The oil clutch started with 3T23647 so this machine was built just a bit before that.
I wish it did have the oil clutch. Be a whole lot nicer for clearing timber. Does anyone have the part number for the thermoids by chance? Gonna call cat and see if they can get them today. Thnks.
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Mon, Feb 17, 2020 7:05 PM
Rome K/G
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Reply to Moparnut88:
I wish it did have the oil clutch. Be a whole lot nicer for clearing timber. Does anyone have the part number for the thermoids by chance? Gonna call cat and see if they can get them today. Thnks.
9F3358 link assembly changes to 394-0207 $63.12 each from Cat
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Mon, Feb 17, 2020 9:29 PM
Moparnut88
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Reply to Rome K/G:
9F3358 link assembly changes to 394-0207 $63.12 each from Cat
You da man! Thnks! Got them ordered today supposed to have them in 3 days! Will keep you updated to progress! Thanks again!
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Tue, Feb 18, 2020 9:37 AM
Rome K/G
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Reply to Moparnut88:
You da man! Thnks! Got them ordered today supposed to have them in 3 days! Will keep you updated to progress! Thanks again!

Your welcome! Take it easy on them trees and stumps, those are clutch busters, lol
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Tue, Feb 18, 2020 11:14 AM
old-iron-habit
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Reply to Rome K/G:

Your welcome! Take it easy on them trees and stumps, those are clutch busters, lol
Did Cat recommended that the thermoids be installed to push instead of pull on the D7s as they did on the D8s?
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Wed, Feb 19, 2020 9:42 AM
Moparnut88
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Reply to old-iron-habit:
Did Cat recommended that the thermoids be installed to push instead of pull on the D7s as they did on the D8s?
No they didn’t. I had read that the d8 has them that way. What is the general thought on putting them to push instead of pull? Last longer?
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Thu, Feb 20, 2020 3:06 AM
Rome K/G
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Reply to Moparnut88:
No they didn’t. I had read that the d8 has them that way. What is the general thought on putting them to push instead of pull? Last longer?

They installed them to push because of increase in horsepower on the 2U D8's and to last longer.
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Thu, Feb 20, 2020 4:01 AM
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