Allan in NE

Well-known Member
Wish one of you guys would tell me how to repair this tractor without breaking the bank.

Squeals and slips when hot both directions. :>(

Allan

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Sorry Allen , in all my years i have never bought one or worked on one and in this area there has only been one sold . Back when the 1066 came out a guy north of me bought one and tried to do field work with it and that did not go so well for him or the tractor . as he put it they are going to ware out the threads in the bolt holes as much as it has been apart and he ended up trading it on a 1066 gear drive the next spring . Some how it ended up at a Ford dealer about ten miles from me and it sat there so long that it had Moss growing on it .
 
The problem with those tractors is when guys used them for drawbar work. Worked for a guy in high school who had a 1066 hydro in front of a bale processor for putting down bedding. The absolute best use for the machine. He was burning up clutches on the gear drive tractors. I would love to have one for baling.
 
I really did not like seeing that bearing out of the axle. It is highly likely that fine material got through the bypass screen although the charge filter should capture it. I saw just one hydrostatic , large frame that had a major failure of a bearing. Neighboring dealer did the original repair but then I got involved when customer never paid the bill and brought tractor to us. It was an on going problem and he didn't pay up easily to us either. It just went from one thing to the next but most was from shoddy work when they went through the hydrostatic drive.
First thing I would do is get a couple of steel caps, and plugs (I just picked up a pair from the local Deere dealer this summer) that fit the drive control lines at the valve, above left battery. This will eliminate all external valves and controls. You will not have a foot n inch pedal when those plugs are on. If it still does not pull, the problems are inside and it will not be a relief valve or check valve or shuttle valve because you are having problems in both directions. Hate to say it, but does not sound good, but there is still a fair chance it is in the foot n inch valve or drive control valve.
 
Interesting because the noise seems to be coming from right behind the left dash area. Also, at times when doing loader work, the silly thing won't reverse directions until I 'neutral' the lever again; just does nothing.

Once or twice it has even locked in a gear and won't budge until I shut off the tractor and restart.

Wonder if there is something up in that control valve?

Guess I'll get the caps to verify. Thanks,

Allan
 
You might , as long as you are hearing the noise from the area of the foot n inch valve, just unhook the return line from the foot n inch valve. No oil should come out of valve unless you depress foot n inch pedal or when the valve opens under max pressure. If your red light works it should also come one if valve opens or leaks. That sensor on it is a bass ackwards one as it is open under normal conditons, but closes the circuit to ground for red lamp when pressure builds behind the orfice right at the sender when the valve opens. You may get residual oil from the disconnected line though as it tees might T into other return circuits so you may need to plug it.
 
It would be interesting to know how many hours the average 4020 PS worked without tranny problems. In most cases, as LOT.
 
In some cases, a few of them got a couple Tenths of an hour before failure. Friend who ran a welding shop in my home town hauled new tractors out of Waterloo in the 1960's. Evidently the dock was several inches lower than the flatbed semi trailers, the Synchro-range tractors could pop the frt wheels up onto the trailers easily. The P/S tractors, not so much. At least one a day oiled down the dock according to him.

But P/S tractors were never a problem around home 20-25 miles east of Moline. NOBODY bought them. My brother-in-law's Dad had a fairly new 3020-G NFE with factory cab with P/S. Had it less than a year and sent on It's way. It was the ONLY P/S anywhere around.
 

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