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JD 7400 Transmisssion
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easymoney
Posted 2/21/2025 11:35 (#11115961 - in reply to #11115807)
Subject: RE: JD 7400 Transmisssion


ecmn
First suspect would be forward linkage adjustment. But we assume the dealer did that .

Be interesting to put a pressure gauge on forward pack, does the pack get good pressure and slip or no pressure and not engage.

Gears to slip in a range but not in another range is very odd because it is the same gears regardless of range.

I have rolled 3 of these transmissions out in the last couple years. One was cancer from the brakes, that one was all sorts of weird. PTO would randomly quit or not work. Forward and reverse were hit and miss. The transmission was perfect except the iron dust from the brakes pads filled the control valves. Spent hours scrubbing each part. Had to literally hand scrub each valve, gear,disk,plate,housing, passage way.


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