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I have a 3720 with front wheel assist. I was using tractor around my property and found some light duty string wrapped around front axel and wheel. Now the MFWD is leaking from right front. I am assuming the axel seal. How hard of a job would this be to pull apart and replace the seal or seals. I have been using the tractor yet but have to continuously add fluid to the front axel because it leaks out and also makes a mess. Have to park tractor on a hill or block of wood so the fluid goes toward other wheel to prevent from leaking.

JD3720 E-hydro MFWD front wheel seal leaking
John Deere Tractors
Replies 1 Post by jkeyser

I couldn't figure out how to pull cylinder apart,niether could the dealers mechanic at first. Had to order the rebuild kit which came with a detaining ring to get the rod out of the barrel. The 1.5 inch O-ring and some other rings and wiper were chewed up. Also the nut was almost off the threads of the rod. The mechanic thinks the loose nut is what caused the problems. Put it back on the loader and problem is solved. It must have been a Monday or Friday at the John Deere factory.

300CX Loader
John Deere Tractors
Replies 7 Post by jkeyser

I have a 3720 with cab, and have noise issue only while listening to the AM channels. It only happens if the blower fan is on with the AC unit on. If I turn the fan off, no noise, with the fan on I can't hear anything but static and noise.

Radio Noise
John Deere Tractors
Replies 12 Post by jkeyser