Wild Bill, don't trash that 504 yet. I have a 504 diesel wide front (aftermarket), 3712 S-X-Y. The pumps are bolted together, sharing the input shaft. The 12gpm runs the power steering and the remotes and the 4.5gpm runs the 3 point only. Different, larger pumps will work, they were an option.
I have a new Koyker loader installed on mine and changed the original 12gpm to a 17gpm. A larger filter is required and I am waiting on mine to come in. So far it has been a good tractor. I have been slowly replacing parts and plan to repaint it to its original 50HP glory once I finish repairing the oil leaks.
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Today's Featured Article - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a
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