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challenger surface grinder pump

I had to build a complete hyd supply system for a 6/18 G&L grinder a few years ago. I followed the G&L manual. Used a 1hp motor and a Vickers vane pump.At the time it was only a little over $100 new. The vane pumps are smoothe running and should be available pretty cheap on the surplus market. If you don't have the control valve look for a variable displacement pump. I forgot what displacement it was but was not very much. Not knowing how large your grinder is might be needing a larger pump,ie my 460G&L has duel cylinders for table travel and a larger cross cylinder than the 618 and thus uses a larger vane pump.
 








 
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