Here is some more information. The pump is a Webster Electric 3HCS-2R. The oil that I am using is the Wal-Mart (I'll take my lumps now) Year Around Hydraulic Oil. Have no idea on the weight. Looks almost clear, like a mineral oil. The noise seems to get worse when the unit warms up. The breather for the reservoir is on a 4" long standpipe, but the actual breather hole is 1/4" diameter and is not plugged. If the reservoir is full, oil will come out the breather. The reservoir outlet (3/4") is near the top of the reservoir, and there is no filter. As I recall, there is an elbow inside the reservoir that turns down for the suction line. The hydraulic valve is a Gresen. From the layout of the system, it must be an open center system. The tractor is a 3-gear 70 (1940), but the noise has nothing to do with the timing gears. I am in the process of installing a Horn loader with Sears & Roebuck single-acting cylinders on this tractor. It looks like I will have to get some additional reservoir capacity, since the volume of the cylinders appears to be more than the volume of the reservoir.
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Today's Featured Article - Good As New - by Bill Goodwin. In the summer of 1995, my father, Russ Goodwin, and I acquired the 1945 Farmall B that my grandfather used as an overseer on a farm in Waynesboro, Georgia. After my grandfather’s death in 1955, J.P. Rollins, son of the landowner, used the tractor. In the winter 1985, while in his possession the engine block cracked and was unrepairable. He had told my father
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