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JD A Primary reduction gearing


 
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Buck Deere
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Joined: 31 Oct 2012
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PostPosted: Wed Oct 31, 2012 9:29 am    Post subject: JD A Primary reduction gearing Reply to specific post Reply with quote

Does anyone have a good set of Primary reduction gears (matching set), that I could buy to put in an early styled A to make it a "LOW" low gear like the late styled A are?? Phone numbers appreciated and prices prefered.
 
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toot
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PostPosted: Wed Oct 31, 2012 11:13 am    Post subject: Re: JD A Primary reduction gearing Reply to specific post Reply with quote

You can use the reduction and pulley gear out of late A"s to slow it down some, but wont get you to 1 1/2 mph creeper gear.
 
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Mike N Mo
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PostPosted: Wed Oct 31, 2012 3:14 pm    Post subject: Re: JD A Primary reduction gearing Reply to specific post Reply with quote

As Toot said, it won't slow you down as much as you'd like. That being said, speed is your friend on the track, concentrate on giving it a bigger set of balls and run the gear you have, or better yet, run second. Mike
 
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Buck Deere
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PostPosted: Wed Oct 31, 2012 3:22 pm    Post subject: Re: JD A Primary reduction gearing Reply to specific post Reply with quote

I dont think my 56 hp motor could stand any more speed. I run 5000# class in low gear at wide open and it is all it wants. I thought that if I could slow it down alittle and use more RPM I could do better.
 
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Hardline
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PostPosted: Wed Oct 31, 2012 6:26 pm    Post subject: Re: JD A Primary reduction gearing Reply to specific post Reply with quote

Not sure where you are. I have a set I was told that were the same out of a 60. Im in North Texas. 817 307 335four JJ
 
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jd1938a
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PostPosted: Wed Oct 31, 2012 6:46 pm    Post subject: Re: JD A Primary reduction gearing Reply to specific post Reply with quote

At 56 horse I think the reduction gears would work great for you. I pull a 38 A with 468 cubes and I put the gears in out of a late A and it helped allot going from 2nd to 3rd rear in #5000 class.
 
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