Allan, would this apply to most or all of the IH and Farmalls with the hydraulic pump bolted onto the side of the tractor (ie: Farmall 504). My 504 has to have the throttle gapped pretty good to make my loader raise, lowers fine. The other valve will roll the bucket both directions at fair idle. I have the hydraulic valves tore down on my bench right now, I did not try switching hoses first (dumb).
On one valve I found the un-latching piston frozen in place and the detent balls pitted. Also the detent balls spring is broken and the centering spring actuator is rusted and pitted. Searching CNH Parts right now.
I bought 2 used valves off Ebay for $230 shipped. I hope I can make two good ones and have a spare. I have enough o-rings for 4. I am going to make a new post...
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Today's Featured Article - Ford Part Number Trivia - by Forum Participants. "Replaced by" means the part was superseded. All of my part books date back to 1964 and New Holland have changed some part numbers. They usually put the old Ford part number on the package. I was suppressed when I looked up the part number of the auxiliary drive shaft because for some reason the part number went through a radical change and it lost its "Basic Part Number". Ford part numbers follow the following rules. Most part numbers are in three parts. The middle part is called the
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