John Deere 4520 Problems

I bought a second-hand John Deere 4520 and after a while I started error code 74 on the panel.What is an error 74? The error code 74 John Deere 4520 applies to the advance and reverse pedals.

I have been stumped on this case for a couple of weeks. I have a John Deere 4520 Subcompact 2011 stock larger than 6500 engine. 4024HLV11 engine. 420 hours in the unit.

I have a 2008 John Deere 4520 Cab Tractor with about 50 hours of use.Just this morning when I start it it gives me the error code 201 and it does not accelerate.It runs at idle, if

I have a 2011 John Deere 4520 cab with error code # 73. The owner’s manual only shows 1-72. Any idea what it could be? It is intermittent and comes on at various times.

I had a bad group of instruments not RPM, TEMP or fuel indicator stuck in 2004 John Deere 4520 compact tractor. The indicator of hours / mph was the only thing that worked.

The Tracror’s engine starts and runs, but shuts down when the gears or PTO is engaged, I had never encountered such an error or something similar, a known mechanic suggested that

John Deere 4520 model 05. Has kit added by JD to add SCV’s 4 and 5 to the rear. The switch is located on the right panel, next to the lift handle, not on the joystick or on the fender.