That tractor has a seperate pump mounted piggy back on main pump, and relief valve for the hitch and if the hitch is not being used the flow from hitch pump joins the flow from main pump behind the aux valve mounting. There fore , when you pull aux valve and it makes tractor labor that only tells you the main pump is working and the unloading valve to hitch if most likely ok also. So, that brings you to a weak hitch pump, leaking hitch relief valve which is under the cover under seat or blown internal o-rings in draft control valves or cyl. Could possibly by action control valve sticking but I would have to feel your lever to tell you that. If your hitch will go up and down with no load and follow the positiion control lever all right ( MEANING IT WILL NOT JUST GOT ALL THE WAY TO TOP OR BOTTOM) I would think your linkages are ok.
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Today's Featured Article - Tractor Profile: Earthmaster - by Staff. This tractor, manufactured by the Earthmaster Farm Equipment company in Burbank, California was made for only two years. The Model C came out in 1948 and was followed by the "CN" (narrow-width model), "CNH (narrow-width high-crop model), "CH" (high-crop), "D" and the "DH" (high-crop) in 1949. The main difference between the models was tire size, tractor width and cultivating height. The "D" series were about 20 inches wider overall than the
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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