Tach drive?

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BigBill
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Tach drive?

Postby BigBill » Wed Sep 16, 2020 10:21 am

What drives the tach on a fcub?
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

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Barnyard
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Re: Tach drive?

Postby Barnyard » Wed Sep 16, 2020 10:37 am

A distributor with the tach drive attached.
There are two ways to get enough Cubs. One is to continue to accumulate more and more. The other is to desire less.

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ricky racer
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Re: Tach drive?

Postby ricky racer » Wed Sep 16, 2020 12:06 pm

The distributor housing on the earlier Cubs was different than the later ones. If you are trying to put a tach on an earlier Cub, you'll need to change out the distributor housing to one that accepts the tach drive.

http://www.farmallcub.com/phpBB2/viewtopic.php?t=93350

Image
1929 Farmall Regular
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub

BigBill
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Re: Tach drive?

Postby BigBill » Thu Sep 17, 2020 8:54 pm

I notice the farmall distributors look all alike are they interchangeable?
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

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Re: Tach drive?

Postby Bob McCarty » Thu Sep 17, 2020 9:44 pm

Different degrees of advance.
"We don't need to think more,
we need to think differently."
-Albert Einstein

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Barnyard
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Re: Tach drive?

Postby Barnyard » Thu Sep 17, 2020 10:59 pm

BigBill wrote:I notice the farmall distributors look all alike are they interchangeable?

No.
There are two ways to get enough Cubs. One is to continue to accumulate more and more. The other is to desire less.

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Glen
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Re: Tach drive?

Postby Glen » Fri Sep 18, 2020 12:37 am

Hi,
Below is a page from the 1965 Cub operator's manual showing the tachometer drive.

http://farmallcub.com/rudi_cub/www.clea ... age-42.jpg

Below are pics from TM Tractor of the 2 different Battery Ignition unit drive housings.
The 1st was used beginning when Battery Ignition came out in 1950, up to Cub serial number 192112, which was in late 1955. They have no hole for the tachometer drive.

The 2nd pic shows the housing used for the tach drive, they came out at serial number 192113.
It has the plate over the hole, which a Cub with no tach would have. :)
Attachments
Cub Battery Ignition unit 3.jpg
Cub Battery Ignition unit 3.jpg (24.53 KiB) Viewed 211 times
Cub Bat Ign.jpg


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