Question about John Deere Two Safety Warning Lights For All Tractors

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1998 John Deere 6410 MFWD cab tractor w/6500hrs. I have 3 lights blinking on the dash, the red stop engine light, the orange warning light, and a light that is located on the left hand side of the top row of lights (as seen from the seat), but does not appear in the owners manual I have. It looks like a gear with nothing in the middle. The lights all came on after plowing snow, no obvious signs of something wrong, hydraulic fluid level was fine prior to starting the tractor. Wondering about a sensor somewhere that might have gotten wet. Any Ideas?

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Posted on Jan 02, 2017

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SOURCE: system creeps down even when tractor is operating.

There are 2 potential problems -
1. Leaking spool on the control valve - rebuild the vale.

2. Cylinder blow-by. Disassemble piston and replace the seals.

To test if its the cylinder - retract the cylinders all the way... remove the hoses on the blind end (non rod end) of each cylinder, and again pull the valve to the retract position.

If fluid continues to pour out of the cylinder - the piston seal is damaged, and the affected cylinder must be repaired.

To test if the valve spool is faulty - disconnect the a and b ports just after the valve. Turn on the system and check for seepage from the disconnected lines (without moving the lever).

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Posted on Apr 19, 2009

  • 1 Answer

SOURCE: John Deere 1020 Weak 3 point hydraulics

I would suggest you find a JD dealer and buy a manual if you want to do the maintenance yourself. You can also do a Google search and find manuals.

I would also suggest you completely drain the old hydraulic fluid and replace it with new fluid and a new filter if it has not been serviced any time in the recent past.

The symptoms you describe can be low fluid and/or a clogged filter. If you or anyone else has run the tractor too long and it has low fluids and/or a clogged filter, you can damage the hydraulic pump and that can get costly.

Posted on May 01, 2009

jimmy nutron
  • 132 Answers

SOURCE: I have a 1968?? 2020 john deere. The hydraulic

make shure none of your hydrolic cylenders are extended and fill it up till you can stick you finger in there and it barley touches if you do this when cylenders are extended you will over fill it.

Posted on Jun 04, 2009

  • 4 Answers

SOURCE: Problem with plowing with my john deer 4440 tractor

check you air cleaner and fuel filters if they are dirty it will rob horsepower

Posted on Jun 05, 2009

  • 110 Answers

SOURCE: I just purchased a 2440 john deere tractor it was

would say that your variable displacement pump has rust or other on/inside, it.

Are you using hydralic fluid (not eng oil) in her?
Can you let it run on blocks for a bit - drain and re-fill transmission?

Posted on Jul 02, 2009

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