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Message: <blockquote data-quote="Pickuptrck" data-source="post: 86769" data-attributes="member: 11165"><p>I have a pair of Bobcat 963 skid steer drive motors that need to go onto a track crawler project. Since there is not piston pump or electronics, is there a way to run them off of a normal hydraulic pump? I have a motor spool valve capable of 25GPM and a 26GPM/3000psi gear pump . I know the swash plate was somehow controlled by the piston pump, hopefully there is a spring that made it divert to half throttle or neutral?? Also, these were the 2-speed models. I would imagine I could use a t-union with constant 400psi +/- to lock it in and hope that it locks to low by default. Any ideas before I break something expensive? =) Bobcat lists the piston pumps as a 40GPM from each of 2 pumps, 1 dedicated to each motor and being piston pumps, I imagine they REALLY only delivered about 20-25GPM. I can mess with wheel RPMs later, right now I just want them moving. Schematics to follow once I figure out how to upload. -Thank you in advance</p></blockquote><p></p>