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powersteering rotary valve for a 504

G

Gerard Reaume

New User
I have a 504 wide adgustable front end and I am having a hard time locating replacemt parts for the power steering rotary valve. I eather need the control end housing or the entire power steering rotary valve. If I can't find these parts I would like to convert it to manual steering by replacing the rotary valve with a short steering shaft and suport parts. Any ideas?
 
The 504 has two PS systems. Probably depends if it is rowcrop or utility. One system is hydrostatic with the valve at the end of the column, a flow divider, and a hydraulic relay that supplies directional power to the front axle.

The other system is a Charlynn Torque Generator directly below the steering wheel. Not sure where the power comes from. Perhaps a piggyback pump next to the main pump.

I put on a system on a non PS Farmall 504. I used a Charlynn TG right at the bolster. Power comes from a C, 100, 140 or similar hydraulic pump. That's a bolt-on installation below the distributer. 1/4" of the frame channel top flange has to disappear. The Charlynn required a bracket and a coupling. I suppose the Charlynn could go on any of the 4 (?) steering shafts. The closer to the bolster is the best arrangement when one considers the crappy U-joints and shaft bearings.
 
I am guessing you have a utility. I had a similar system on an old Hyster Forklift. Parts to repair were going to be over $500. I found a NOS Charlynn four port "Hand Pump" on eBay for $140. Bought a new steering column and shaft from the Surplus Center for less than $100. The steering is now modern and much better.
 
Gerard
Anderson Tractor in Buffin Ohio just got in a 504 row crop, the tractor was a county tractor (yellow) a in good shape. I just bought the grill and seat off of it yesterday. You can call Jessie at Anderson and he can help you (800-391-5462)
 
My 504 is a row crop with a factory power steering system. At the moment, I am not seeing any thing on eBay. I'll keep looking. Thanks for thi information.
 
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