Hydraulic pump issue

DaveH(NY)

Member
If anyone can help identify this pump and if anyone has a blowup of it for disassembly I would greatly appreciate it. I think it broke the key way loader won't lift at all and I hear a metalic sound in front when the tractor is running.
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Can not say what brand pump that is but most of the time when you loose hyd power it is the spline shaft has stripped out in the hub that bolts to the crank pulley. The way to be sure what is going on it this. Start the tractor up and go and look at what the pump is doing. Be sure you look at ti close to see if the pump is in fact spinning. Then have some one pull a control and then watch where it stops spinning at. Maybe as simple as a woodruff key Or the spline shaft but with out checking your just guessing. Have one of those hubs laying right here on the desk
 

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