Flywheel ring gear

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Folks, I am new here and like the site. I have had yellow fever most all my adult life. just sold a D5H XL and for some reason I needed a replacement with something as old as I am to fill the hole it left, so I picked up a 1954 D2 , 5U 14511. [u]not working! Issue is it was jammed up and would not turn over. finnally freed it up and turning the engine over by hand there is a clunk at the same spot in a complete revolution each time. I have narrowed it down to 3 missing teeth on the flywheel ring gear. Hoping that is all the damage there is. Going to attempt to remove it through the access cover.
question: Where can I get a replacement gear?
can you buy any gaskets for these D2's, or do you need to make yourself.
Also, are there any old yellow fellows near me, (Pembroke, NH, USA) with one of these.
thanks
marc [attachment=73773]KIMG0046 (1).JPG[/attachment]
[/u]

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Sun, Sep 17, 2023 6:29 PM

trainzkid88

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cat does have gaskets for these old girls. if you have a parts book you can check www.parts.cat.com for availability. if you register you can even order via your local dealer. ive had success even with a phone call to the dealer parts desk.

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Sun, Sep 17, 2023 7:19 PM

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Thanks, will try them. still will be looking for that flywheel ring gear 7B 6248 if anyone knows where I could source one.
thanks again.
marc

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Mon, Sep 18, 2023 6:15 PM

daron

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Reply to mc:

Thanks, will try them. still will be looking for that flywheel ring gear 7B 6248 if anyone knows where I could source one.
thanks again.
marc

Several decades ago I got a used one from Holt Bros in Stocton, CA.

Daron

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Mon, Sep 18, 2023 11:12 PM

sheddcanyon

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Reply to daron:

Several decades ago I got a used one from Holt Bros in Stocton, CA.

Daron

I was able to source an aftermarket ring gear for a 1942 4R D6 a few years ago through Florin Tractor, which is now closed. So I think they're out there. Might take some sleuthing.

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Mon, Sep 18, 2023 11:15 PM

Old Magnet

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Reply to sheddcanyon:

I was able to source an aftermarket ring gear for a 1942 4R D6 a few years ago through Florin Tractor, which is now closed. So I think they're out there. Might take some sleuthing.

Check your parts book!!!! Mine shows s/n 5U14,511 using ring gear 7B6249/5B8299 for s/n 5U14,695 to 15,474
Available here.....https://www.machinerytrader.com/parts/search?PartNumber=7B6249&SearchType=Start

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Mon, Sep 18, 2023 11:45 PM

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Reply to Old Magnet:

Check your parts book!!!! Mine shows s/n 5U14,511 using ring gear 7B6249/5B8299 for s/n 5U14,695 to 15,474
Available here.....https://www.machinerytrader.com/parts/search?PartNumber=7B6249&SearchType=Start

Thank you.
marc

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Tue, Sep 19, 2023 4:02 AM

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Reply to mc:

Thank you.
marc

I did look at the parts book and see it is a 7B6248 that it needs.
Not sure how much difference between that one and the one on machinery trader which is as you mentioned a 7B 6249.
thank you for your effort
marc

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Tue, Sep 19, 2023 4:51 AM

neil

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Reply to mc:

I did look at the parts book and see it is a 7B6248 that it needs.
Not sure how much difference between that one and the one on machinery trader which is as you mentioned a 7B 6249.
thank you for your effort
marc

General Gear also have them new

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Wed, Sep 20, 2023 6:06 AM

Old Magnet

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Reply to neil:

General Gear also have them new

I guess you know more than the parts book but mine shows two different assembly numbers for the flywheel and different part numbers for the ring gear. Are you sure your dealing with the right s/n?

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Wed, Sep 20, 2023 6:43 AM

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Reply to Old Magnet:

I guess you know more than the parts book but mine shows two different assembly numbers for the flywheel and different part numbers for the ring gear. Are you sure your dealing with the right s/n?

Have the flywheel out and have confirmed the part # stamped on the ring gear to be 7B6248 also page 38 of the parts catalog for 5U13237 - up. the 7B6249 gear is on the next two pages for newer than my machine.
thanks
MC

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Wed, Sep 20, 2023 7:21 AM

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