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4520
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  1. Medium Frame Compact Utility Tractors (MCUT)
    New owner of 2016 (around, last year prior to epa emissions add on) Compact 4520. AC was not cooling well so we attempted to clean the 3 AC and other units mounted in front of the radiator. There is no “pre-screen” in front of any unit and the 4 “coolers” are stacked so close together that...
  2. Large Frame Compact Utility Tractors (LCUT)
    Greetings I just purchased a 2005 4520 open station and I am looking to put a backhoe on it. I have seen a few 48 for sale with mounts for a 4400 on it. Would this fit on my tractor? If not what parts do I need for 48 or 485 to mount Thanks in advance
  3. Large Frame Compact Utility Tractors (LCUT)
    Been stumped on this one for a couple weeks. I have a 2011 JD 4520 Subcompact engine serial greater then 6500. Engine 4024HLV11. 420 hours on unit. Error Code 59- No one could find the code and JD corporate stopped their support which is nice of them. but with some research and confusion...
  4. Hydraulics
    Tomorrow, I will have had my 4520 for one year. I bought it with 1714 hours on it and the PTO clutches were shot. I had one of the local JD dealers install new PTO clutches. They put Low Viscosity Hy-Gard back in when they filled the transmission. It all worked fine until about May 5th when the...
  5. Large Frame Compact Utility Tractors (LCUT)
    I've had this 2011 4320 since 2013 (open station) and only recently needed to use the 3rd SVC. The lever to operate the valve does not move, regardless of the position of the Lock / Unlock lever. It appears that to get under the plastic cover that the operating lever sticks up through to see...
  6. Large Frame Compact Utility Tractors (LCUT)
    I need to have hoses made up to run from the rear quick attach female connectors to a front grapple. What type and size male connector is required to fit the 4720 JD rear QA ports? Is there a preferred brand connector? Also, what hose diameter should be used for this intermittent, low flow...
  7. Large Frame Compact Utility Tractors (LCUT)
    I have a JD4520 compact utility tractor purchased in 2013 the SCV joystick mounted on right side by driver seat fell off. does anyone have a diagram of the linkage for that or suggestions as to possible repair proceedure?
  8. Hydraulics
    I made my own 4720 3rd function kit with the summit hyd. Valve. Works fine but with one issue! When I engage the electric operated scv my engine bogs down?Grapple operates just fine in both directions just have a drag on the engine. I ran 3/8" hoses from solenoid scv to front of tractor. I...
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