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1957 CASE 320 PARTS???

A

ACPC320

New User
Hello,

New member here hoping some one can help me.

I have a Case 320 backhoe/loader. The hydraulic pump shaft and coupling are damaged beyond repair. Can anyone give me some info on where I might find replacements? Or maybe you have a used one for sale?
Were these pumps used on other models, does anyone know, so I can widen my search?
Any help would be appreciated,
Thanks
 
when the pump drive went on my 420 I bought a new one from Case that fits a 580-580B and used the old shaft end to go into the crankshaft drive and welded the new style drive that the 580's use married the two together had two modify the mount a little but she works great it is a little more gallons per minite but I did the change over 10 years ago no problems cnt
 
I did the same on my 310B..it's quicker than it was, but it seems to want to squall out if I don't ease into it....
 
Tim you may need to go thru and check all your pressure setting as with the increased GPM it may be popping one of the relief's too soon I have the spec's in my 420 book if you need them cnt
 
CaseNutty, I'm not too "up to speed" on adjusting the pressure settings for the relief valves, but maybe you can help by giving me a run-down of the procedure? I'd most sincerely appreciate it! Email is open.
 
Tim I will post this for you and others and will send this to your e-mail also
a44091.jpg

a44092.jpg
 
thanks Fred I knew somone had one for parts could you send me your e-mail address if you have one I tend to have a lot of people ask me for parts sources thanks you can send through YT or mine is [email protected] cnt
 
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