IH 574 Transmission Oil Light

John B.

Well-known Member
My 574 Gas Tractor Transmission oil light has recently come on and won't go off until I rev the engine to 1200 RPM's. It has never done this
before. Can anyone tell me where the sending unit is for this light? The oil in the transmission is at proper level. I'm going to change out
the hydraulic filter this weekend. I'm not going to run it until after I change the filter.
 
It is probably under the metal cover on top of the transmission . It is in the main wire harness that goes under this cover. The part no.is 529796R1 switch assy. transmission oil pressure. This is in my parts book for a 574.
 
Hi, it is under the seat and looks like a mushroom with one wire connected to it. The sensor monitors the pressure in the return oil from the PTO circuit that goes to the hydraulic oil cooler then feeds the brakes and lubricates the upper shaft in the front gear-box (1234 gears). On the newer CIH 3230 series this sensor was eliminated.

JimB
 

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