Insane Hydraulics

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Sauer Danfoss Series 20 Ball Guide

This aftermarket ball guide for the Sauer Danfoss series 20 pumps looks absolutely perfect. The catch is - the spline part is too tall, so when you mount this beautifully finished part into a pump - it jams the rotary group! The solution is to machine the part in a lathe (if you have one), or, well, find a "real" part elsewhere...