I'm (finally) getting around to fixing the hydraulic pump on my 7045. One of the gears on the gear-pump had cracked and kicked a piece of the gear down the intake tube. Lynn on these forums was able to get me a new gear set, and the bore/cavity is (thankfully) not scored at all, so I think it should be fairly straight forward.

Unfortunately Agco no longer stocks many of the components for the rebuild of these pumps. They just have the piston pump gasket and some o-rings. The other O-rings were easy enough to cross-reference to the standard SAE# and get replacements, Similarly with the shaft lip seals - easy to measure, cross-reference, and order from an industrial supply. But the bearing backup seals aren't available from Agco and obviously aren't a generic/standard seal. And I wouldn't mind getting a set of wear plates as well, which also aren't available from Agco.

I know these are Cessna pumps, series 29013 (unfortunately an obsolete series). I know the nephew of an old Allis dealer, and he says his uncle had done his homework and knew what Cessna/Eaton pump parts were needed and could get them from any hydraulic supply. Which I'm sure was true - I've run into this on other old equipment that uses Vickers, Cessna, and Eaton pumps: Although the case and externals may have been custom-made for Allis, Cessna would almost certainly have used standard internals - no need for them to make custom internals when they already had oodles of standard sizes they could use. We do a lot of hydraulic design and rebuild at work, and I'm sure I could get the parts from Eaton if I knew what they cross-referenced to or what current Cessna/Eaton pumps used the same components. Unfortunately I don't know what modern parts/series they reference to, and the Eaton reps we deal with aren't overly enthusiastic about anything that requires actual work (one of the reasons we now go with Rexroth/Danfoss/Vickers in new systems we build).

Wondering if anyone on here happens to know of a source for these parts, or a better/easier way to reference the current Eaton part numbers for these. Parts in green I was able to get from Agco or cross-reference and get elsewhere. But parts in red I can't find. If I have to I'll just re-use the old seals. But I wouldn't mind doing the thing right since I'm in there anyway.