Farmall 400 Power Steering

CDH

New User
I am having problems with the Char Lynn power steering torque generator and I would like to know if it is possible to retro fit power steering off of another model onto a Farmall 400? If not, what shoudl I replace this old unit with, a new Eaton torque generator and get the oil direct off of the hydraulic pump or something else? Thank you.
 
OEM for a 400 was a behlen unit running off the tractors hydraulics.

The charlynns are good ps units also though. What are you haveing for problems and does it have a dedicated pump? Parts are still available for these. If you are plumbed into the tractors hyd you may be having a problem with the priority valve also.

hth

jt
 
The problem I am having is that there is no power steering when moving slowly or setting still, actually it is worse than having not ps. I have read in another thread that this is typical for the Char Lynn units, is this correct? It does have a dedicated saginaw pump and from what I was told by a previous mechanic, the pump is good, although I haven't checked the pressure myself yet. Is there any fix to a torque generator? I thought I'd get some other opinions on these units before I spent too much time or money determining the problem with this one.
 
Yes you can rebuild the torque generator. I have some of these units on a couple of wd45 allis's and love them. You do need to rebuild them occasionally though. If the oil is clean not too often though.

A good hydraulics supplier should have the kit for a rebuild. Just a matter of disassembly and clean and reassemble with the new parts. One thing I should add is you will need the socket for disassembly. It is either a 1/4 or 5/16 deep well 12 point can't remember what size. Only place I have seen these is the snap on truck.

The kit isn't real expensive I think the last one I bought maybe 7 years ago was something like $30 or so.

hth

jt
 

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