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Discussion Starter · #1 ·
I replaced the old hydraulic pump on my 10 wheeler grain truck with a new Muncie pump. It has two pto stub shafts and I'm not sure which one to use. The directions show nothing and there's no casting arrows on the pump. The truck pto turns CCW if facing the shaft, so the pump needs to turn CW. The pump shafts sit one on top of the other. The old pump used the top shaft but it is over 40 years old and was told it was obsolete.
 

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Discussion Starter · #3 ·
The instructions say nothing regarding the shafts. I'm assuming they're reversed, only because the guy I bought it from said one shaft is CCW and the CW. I asked him which shaft is which and he said it would have an arrow on the pump, but it doesn't.
 

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Discussion Starter · #5 ·
With the old pump, it used the top shaft, so I have it on the top shaft on the new pump as well. I'm like you Northern Farmer, I can turn the shafts either way with my fingers, so if I just bump the controls I doubt I do any damage at an idle.
 
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