Farmall 460 hydraulic pump

Orrin

New User
I am in the process of of installing a new hydraulic pump in our Farmall 460. I pulled the old pump after the
hydraulics quit suddenly. The tractor was idling for a few minutes unattended. I came back and no power steering
or hydraulics to the end loader or the fast hitch. The hydraulics worked fine when I pulled it out of the shed.
I took the pump to my local Case IH dealer service dept. We took the pump apart and he said it looked very worn.
He also said that it turned way too easy. Is there something else I am missing?

I changed the filter and fluid about 4 years ago. The tractor gets very little use and lives in a heated shed.

I am also trying to determine if it is a 12 or 17 gal. per minute pump. The serial number is 3523--S-Y and the
number on the pump is 121713AP.. It is a replacement pump. MY guess is that it is the 12 gal.

Thanks is advance for any comments.
al. pump.
Orrin
 
Thanks, I will check with my IH dealer. I don't have any books on this tractor. I will check the filter capacity.
 
Y = 12 GPM, Z for 17. Not sure if you mean old pump quit or a new pump quit. May want to see if PTO still works or pump drive is turning as a first step in case the splines failed on pressure plate with a sudden loss.
 
D. Slater, thanks for your reply. I think the splines are OK as I put a pry bar on the drive gear for the pump and I could roll the motor.

Orrin
 

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