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Early CA's were not snap coupler, they were pin hitch like the early WD's. It was very easy to convert them to snap coupler and many many were. It is also pretty easy to convert a snap coupler to 3 point. New conversions cost about $300. to buy. AC made a sort of wishbone 3 point conversion for the snap coupler tractors, but there was never a CA, WD or WD45 with factory 3 point. It's not too difficult to make your own 3 point conversion for a snap coupler or even a pin hitch AC tractor, if you can weld and have the materials. If I remember correctly the CA uses the lift arms to hold the drawbar, they hang straight down when not in use to do this. I think Cross Manufacturing makes a good 3 point conversion for most AC tractors. The AC high pressure low volume hydraulic system will power most smaller low pressure high volume hydraulic cylinders although maybe a little slowly. If you are careful and don't keep full pressure against a fully extended cylinder you should be able to use one with out much problem. Many remote hydraulic couplings on older AC tractors had a simple shut off valve on them. This way if you are roading a piece of equipment you can extend the cylinder with the hydraulic pump and then shut the line and hold the pressure to the cylinder without having to let the pump continue to put high pressure against the cylinder. This was very handy and if you don't have a valve in the line so you can shut it off you should consider putting one in.
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