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  1. Agricultural Tractors
    I have a 4230 quad range that I recently put a new main hydraulic pump and transmission pump in and it seemed to be working good. Now only about 100 hours later it doesn't have nearly as much flow as before and when I use the PTO and shift between the high low it shuts off. It still has 2300psi...
  2. Agricultural Tractors
    Hello, I am new to the forum and new to JD tractors (23 year break). I need some advice. my JD 4230 will engage the PTO and will run fine as long as I hold the PTO lever in the engage position. Given the age of the tractor I think it could be a worn part issue. Any suggestions on where to...
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