How do I change the hydraulic fluid on a Ford 4600 tractor?

I have a Ford 4600 tractor with water in the hydraulic oil and need to change it. Is the plug in the bottom of the rear axle the best place to drain? And where is the best and easiest fill hole to replace the oil?How do I change the hydraulic fluid on a Ford 4600 tractor?One way is to suck the fluid out of the reservoir periodically with a turkey baster or similar suction device and refill with new fluid. As the fluid circulates, your constantly freshening it.How do I change the hydraulic fluid on a Ford 4600 tractor?Yup that's where you drain it, get a big pan, the fills should be right behind the seat, one on top of each axel housing, pick the one easiest to get the funnel in, usually the left. replace the shifter boots or quit leaving it outside in the rain and you'll fix that water in the oil problem.