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Adapting the early Economy tractor Ross steering box to a later PK tractor.


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#1 classic ONLINE  

classic
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Posted September 08, 2016 - 09:49 AM

I've been working on the front end and steering on the Junkyard PK. The steering column that I'm using is from a 50's Economy tractor, and these older steering columns won't bolt up to the later PK column mounts. Since there is no such thing as a bolt on mount for these earlier columns, I took some scrap steel and made one. I took measurements from my '56 PK frame then cut out a 1/2" thick base plate to mount to the later frame. I drilled and cut the holes where needed and welded everything together. This mount puts the steering column in the same location as my '56 PK. I assembled the new mount and column onto the frame and hooked up the steering linkage. Everything checked out, so I finished up the mount and put a couple of coats of paint on it.

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#2 classic ONLINE  

classic
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Posted September 08, 2016 - 09:57 AM

Here is the earlier frame with the welded on steering column mount. The plate that the steering box mounts to cannot be thicker than 1/4" when mounting the early Ross column, since the sector shaft in the steering box is so short. The other frame is the one that I received from JR Haines and is from after '73. You can see the three mounting holes for the steering column mount.

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Edited by classic, September 08, 2016 - 10:10 AM.

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#3 classic ONLINE  

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Posted September 08, 2016 - 10:00 AM

Here is a pic of one of the versions of the later steering column mounts. These seem to be made out of all 1/2" thick steel.

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#4 EconChuck OFFLINE  

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Posted September 08, 2016 - 11:48 AM

Nicely done.


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