I have a John Deere 7775 skid steer that I would like to change the hydraulic oil. I don't believe there is a drain plug, at least that I could find. I've tried to siphon the oil out with a hand pump siphon. That didn't work worth a ****. I have pulled the back panel/skid plate off and I'm currently looking for a trick to get the oil drained. I see there is a hose on the very bottom of the tank but it doesn't look too accessible to pop off, not to mention the mess I would have. Anyone have any tricks or idea's to get this done? Thanks