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Ford 4630 transmission

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Josh in Pa
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Joined: 07 Sep 2007
Posts: 786

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PostPosted: Sun Aug 25, 2019 7:05 am    Post subject: Ford 4630 transmission Reply to specific post Reply with quote

I?m looking at a 4630 with 8x8 transmission, and quick attach
loader. Unknown history. Assuming it runs and shifts good,
should it be avoided anyway because of the transmission?
I?ve read they are time consuming and expensive to repair,
and parts are getting hard to find. Would like to have it as a
second loader primarily for hay, and other light chores. Maybe
100 hours a year. Should I keep looking for an 8x2 or
consider this one?
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Joined: 22 Nov 2011
Posts: 10386

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PostPosted: Sun Aug 25, 2019 2:29 pm    Post subject: Re: Ford 4630 transmission Reply to specific post Reply with quote

4630 means early '90's maybe. How many hours? What's the overall condition....looking for neglect signs or properly cared for signs? Run it and shift it. Smooth; problems; probably synchronous so shifting should be smooth regardless of RPMs (assumption on this aspect).

Last year I bought an '88 3910 with the 8x2 with 900 hours. Tranny top cover gasket was leaking so in replacing, and doing the fluids changing at the same time, the gears in the tranny hardly had any contact wear, probably 20% of the face of the tooth is all that had the machining marks worn down.

If it's a show stopper, pop the cover and have a look. If you are serious and indicate that passing the inspection seals the deal, owner shouldn't mind you having a look. If he objects, take it as a warning sign.
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Destroked 450
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Joined: 31 Mar 2016
Posts: 6255
Location: Harned, Ky.

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PostPosted: Sun Aug 25, 2019 5:42 pm    Post subject: Re: Ford 4630 transmission Reply to specific post Reply with quote

If it's from a private seller ask if the trans has been serviced regularly and the suction screen cleaned.
Check the trans oil to see if it's milky.
If a dealer has it I'd want them to drop the oil and remove the screen to see what it looks like.
If the oil and screen have had regular service or look good drive it and shift the gears, any hard shifting or gear grinding and I'd walk away.
Syncro's are over $2000 each and many parts have been discontinued, haven't heard of any aftermarket suppliers making parts for these transmissions like they are for the 8x2
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