Top lid has to come off, to get at the back of those bulkhead fittings and to change the filter unless the tractor has a plate with 3 bolts under the transmission housing. Before removing the lid remember to remove the little roller from between the forks on the control linkage at the response/dipstick side. We only ever use 15W30 or 40 Super Universal Oil in these tractors. I am assuming your pump is shot as it is too small a pump for heavy loader work, these tractors should be plumbed for combining the two pumps for loader work, but both pipes from the pumps need non-return valves ftted. If you want to get a few more years out of the tractor and everything else is working OK, then you could plumb your main pump up to the spool valves through a diverter valve on the top cover, but it means locking the 3 point and putting the pump into Constant Pumping. Email me if you like.... Sam
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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