350 Utility Power Steering Retrofit

I have a 350u with manual steering and front PTO pump (for loader) off the front of the crank (not the distributor gear style or belly style).

I bought the power steering parts from a 350u that had the belly style pump. Came from a junkyard and not sure it was working or not other than it did steer the tractor to move it around with no engine (bad block).

Anything I should do to test the power unit before I start? Anything I should replace as far as seals etc (I will use all new hoses for sure)? I was going to try testing it with air, then turn the steering shaft and see that the motor moves one way, then steer the other and see the motor move the other.

Not sure what pump to use:

I read other similar posts and found a 1965 ford mustang Eaton pump that i can buy working for $30. I can fab a bracket, i have a plasma cutter. Might just take off the generator and put the Eaton pump there to start with since the generator is not really keeping the battery charged anyway.

I saw a chrysler eaton pump with 6 volt delco generator combination for $100, but wasn't sure the eaton steering pump would be right though. It is two units with one pulley, that would bolt right up to the current generator bracket, i would probably have to use the guts from my 12V generator, and I don't know if they would be the same.

The other option would be to tee off the big pump, but as that one is used for loader and backhoe I am apprehensive about it. Also I would have to add some kind of valving for that I think, as I understand it the pressure regulation was down in the belly; and the Ford Eaton pump has it in there, and of course my big pump does not have that; relying on the control valve banks.

I looked at the power steering on my Super-M and see that there is an added front pump with a belt and it's own pulley. I thought maybe there was a way to add an extra pulley to my 350 and then leave the generator pulley separate.

I should mention that i use the thing to dig in tight places like my creekbed, and filling my 57 chevy 4 yard dump truck (yeah i still use it to haul stuff). it is never used for field duty, have other tractors for that.

Multiple issues in this effort/
There were no 350s with belly pumps. They were distributor drive gear driven hydraulic pumps, between the front cover and the distributor.
Second the valve that is needed is a priority valve for power steering.
Yes you can use a Delco combo system, but there is no guarantee of the existing innerds working on the Delco generator. There is sure to be compatible components however at a auto electric shop.
Using a pulley driven pump is fine, I would recommend against the use of the generator location as it will defeat the eventual return to charging. (your system was likely to be 6v to start with, but there is no telling what is on it now with out looking. If the gen label is red (original red) it is likely 12v. If black. it was 6v. Jim

The 300/350 Utility/International tractors had a way different steering gear, a gear box mounted on top of center housing, drag link arms on each side, its a tough system to describe, manual & Power entirely different, I never seen any add-on work for this, Farmall type not workable.