Re: 8N Coupler

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Posted by Charles on April 21, 2020 at 06:34:59 [URL] [DELETE] :

In Reply to: 8N Coupler posted by Coupler for PTO? on April 21, 2020 at 04:20:07:

The coupler is original Dearborn made. Its intent was to extend the Pto to meet the stardards set up for all other tractor uniformity, which is that the PTO be about 6 inches ahead of the drawbar hook up, so the slidng drive on the machinery did not slide out to far and disconnect. The cross drawbar was usually dropped down to about 6" above ground to allow some up and down play over rough ground. This hook up got by to run a pull combine.
This did not still meet the stanard of the PTo height being about 12 " above the drawbar height and the need to lower the drawbar so low.
I don't know if the extension is 1 1/8" spline power in to meet Ford 1 1/8 spline and whether the extension is the stanard 1 3/8" out.
Pulling a combine with this hook up caused a fire danger with straw being caught at drawbar. and plugging bellow muffler. My neighbor wired a piece of steel roofing under the tractor.
With no live PTO it was necessary to back up enough distance so when the PTO was engaged to get combine up to speed, before straw entering.
Another problem was plugging was eminent, you learned how to "SLAP" the tractor out of gear, before it stalled.
A 8N could then handle a 6" header in 1st gear. My neighbor used a Mc Cormick 3" header. in 1950
Doable but a bear to run.
Me 10 years old then as sacker.

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