Matt you are hooking to an implement designed for the newer hydraulic systems that the older standard was 2250 PSI ans they now run as high as 3000 PSI.
If you look at the lift cylinder on the rake it is small diameter. That is so it will work fast on a new tractor. You tractor with it's 1000 PSI does not have enough pressure to make it lift. It was made for a higher pressure tractor.
That is why you see 3 and 4 inch diameter cylinders on smaller equipment that was used on the older tractors.
The IH "M" is a low pressure tractor. (Letter series JDs are too) IH changed the pressure some in the 400/450 and then went to the 2000/2250 PSI standard by the early to mid 1960s.
So you either need a larger cylinder on the implement or a after market pump/kit that gives you higher pressures. The larger lift cylinder is the simplest but it will still not work very fast as the hydraulics on the IH "M" are lower pressure and lower flow too.
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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