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Fruita CO | So, you're saying the pump is good? Or??? Check the bushing inside the bigger gear & the lug in the housing that the bushing runs on. That's where they wear out. What condition is the hex drive shaft in? Wear on the shaft is a sure sign the pump is bad.
Be sure to put a new o-ring in where the outlet pipe fits into the case. it's a bugger to get in there, but it will dump oil if it's bad...
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JD 4440 hyd charge pump?
