I don't know exactly, but it needs to be hooked up hot all the time, or at least the return hose can't be hooked to your hyd valve, when you move the valve to neutral, it shuts off the oil and you will twist the motor shaft off or at least blow a seal out. They make a male hyd end just for this. We was using a hyd sweeper behind a 7130, I had put a tarp strap on the hyd valve and told the guy driving it to leave it alone! Well he shut it off before he had left the yard and blew the seal out. If he had shut it off by moving the lever to float it would have been all right. Hope this helps Vic
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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