My 1997 F800 has a GVW of 24,500 with the 5.9 12valve Cummins, an Eaton Fuller 5205a manual transmission in it. The engine has two hydraulic pumps, one is gear driven off the engine with hoses running to the power steering gear.

The second one is on top, looks like a power steering pump with remote reservoir, and is belt driven. The hoses connect to the brake system, however it uses power steering fluid (indicated by a label on the reservoir) This pump is leaking fluid around the shaft seal, but otherwise works fine. So far, I have not been able to locate a seal kit for it. My factory shop manual diagrams are consistent with what I have on my engine.

When I look at the usual parts sources, O'Reilly's, Autozone, RockAuto etc, a power steering pump references the gear driven unit, and a brake booster pump goes to the Master Cylinder electric pump. Any advice?

(I will try to upload a pic from my phone in a moment)

 

This is the hydromax pump. You might check with NAPA but you would have to get someone that knows trucks. You don't give your location but if you have a Ford dealer close that does medium duty trucks give them a call.

 

Hmm, I do need to add location, oops. I am in Mt Vernon, WA. Closest Ford Dealer that I know deals heavy duty is considerably south of me. Maybe I will have better luck with the proper terminology lol. Thank you

 

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On some, the P/S pump used TYPE F ATF (it's red).

 

Thanks Bill!

 

I have the same setup and mine leaks as well. what did you find out?

Bill i have red fluid in mine. So should i assume it is type F? Does type f also go in the power steering?

Also i have the allison auto, wondering what fluid goes in that?

I assume rear is 80 w 90?

Thanks Adam