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66 single to dual hydraulics


 
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Gmk85
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Joined: 01 Feb 2019
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PostPosted: Sat Jan 02, 2021 10:26 am    Post subject: 66 single to dual hydraulics Reply to specific post Reply with quote

My 1952 66 rowcrop currently has single hydraulics. I would like to convert to dual hydraulics the hard way. What I mean by that is do a internal parts swap.
why, because when I visit the tractor bone yards. The 77s and 88s are ten to one over the 66s. There were so many 77s and 88s that the hydraulic units were just pulled off and tossed aside in the snow bank, so they could scavenge some other part. It made me cringe see those units full of snow and ice. So when I got home
I pull up the schematics for the hydraulic units on all three tractors (66, 77, 88,) So what I'm seeing is the units themselves cant be interchanged. But some
of the internals can be, mainly the left and right valve Assembly selector. All three have the same part #. Has any one done this? or any one have thoughts or comments.
 
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J. Schwiebert
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PostPosted: Sat Jan 02, 2021 2:13 pm    Post subject: Re: 66 single to dual hydraulics Reply to specific post Reply with quote

I used to work for a good dealer. We did stuff like this all the time. Send me an e-mail. I have questions for you before we start. Include your phone number. J.
 
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Centerplate
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PostPosted: Mon Jan 04, 2021 5:19 am    Post subject: Re: 66 single to dual hydraulics Reply to specific post Reply with quote

From the 66 through the 880 tractors, all were dual hydraulics. Made for use with a two way cylinder as there were two hoses for each cylinder.

If you are asking about making a single control valve unit to one where you you can run two cylinders, Yes this is possible. You have already looked up the parts numbers and found they 77-88 selector valves interchange with 66.There are slight differences from the earliest to the latest. The very earliest unit number hydraulics have cast iron selector valves and the later ones aluminum. Does your 66 have electric switches on the steering column or levers on the side of the reservoir and no filter? The other choice is the levers out the top with a filter on the side. I you have the last choice, this is from a super 66 or newer.
 
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Gmk85
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PostPosted: Sun Jan 10, 2021 8:09 pm    Post subject: Re: 66 single to dual hydraulics Reply to specific post Reply with quote

This hydraulic unit has a single lever on the top right side and a filter. the tractor is a 66 rowcrop not a super.
 
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