Therefore, the front pump handles everything EXCEPT the hitch; it supplies oil for steering, remotes and lube. Rear (piggyback) pump handles the hitch only under normal operation. That's why it is called the hitch pump. :>)
However, under full system demand, and IF the hitch isn't being used (or has arrived at the end of the hitch piston's travel), the rear pump can/will assist the front pump in it's duties.
But, not the other way around.
So, if yer hitch isn't working right, (everything else is okay) suspect the rear pump. Especially so, since we're talking a tractor that old.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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