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Message: <blockquote data-quote="frogfarmer" data-source="post: 37108" data-attributes="member: 4075"><p>Its not unusual for it to be difficult to cross the specific number on the motor because the end use was for Deere. The 400 series motors are common and come in several varieties. The Deere site has a complete parts breakdown online that shows everything on the unit. You state the system was open for months. Were the hoses all covered to keep out bugs and other critters. I have removed parts of mice and frogs from systems not to mention all the times I have found dirt packed in the lines from flying insects. I learned a long time ago to plug any open line. You also stated the motors had charge pressure did you mean the hydro pumps had charge pressure. I don't remember the exact specs but it seems like it takes 250psi to release the brakes fully and there is an orifice that restricts flow to a tenth of a gallon a minute on the brakes. If something crawled up a line and got chewed up you may need to remove the pumps and inspect for damage.</p></blockquote><p></p>