1977 Pettibone wheel articulating loader/loadmaster 4000

[hrc810]

Hello, I'm new to this and looking for any information on my wheel loader, I bought it several weeks ago and been trying to find out about the lift/tilt and steering hydraulic pump, the original one was removed for repair and got misplaced I installed a single gear pump and got the hydraulics to work but due to the lift/tilt and the steering tied into the same port the steering when in idle mode (char-lynn) valve it looses pressure unless you turn the steering at the same time you are activating the lift/tilt and works slow, I'm looking for a tandem pump with a common supply with a two bolt mounting flange 4 1/2 across the bolts and a "8" splined shaft.
I have contacted several Hydraulic shops and gave them the pump number that is installed now and no one has a clue due to the fact the pump I am using now is a Commercial Inter Tech #321-9110-067 p/n 402071 s/n no82-8021 if anyone has any information on this loader please contact me, thanks for your time Henry

 

[paulwestski]

Please post pictures.
We had a few pettiebone all terrain fork lifts in the 80s

 

[hrc810]

Hello Paul:
I am still trying to figure out how to use this site, I posted 1977 due to the only date I can find is the date code on the ford diesel block was 1976 I been looking for some information and possible a repair manual on this loader here are a few pictures I took, thanks for the response, Henry

 

[Paul L]

Have you found anything on this loader . I just got one last year. It works well I think, but I wished I have more info about this loader and where we can buy parts.