Re 12 GPM pump: A number of years ago, I swapped a 12 GPM pump to a 17 GPM pump in a 656 whiteface. Same hyd as a 504. However, the filter did not like the almost 50% increase in oil flow. The tractor hydraulic system surely worked well. To accomadate the increased flow, I needed the large capacity filter. It was too wide to fit into the housing. A little machine shop work to make a spacer and some longer attaching bolts solved the problem. Rather than put on another pump, try a 17 GPM. Before you do, however, just buy the bigger capacity filter and it will be self evident what I mean by a spacer. I had Farmall 504 serial 6844 SYFF, a C153 motor unit with a factory wide and a 2001 loader. Had no axle problems. Tractor was traded on an 806. It is now completly restored in the hands of a serious collector. Any questions - just post!!!!!.....QR
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Today's Featured Article - Tractor Profile: Allis-Chalmers Model G - by Staff. The first Allis-Chalmers Model G was produced in 1948 in Gasden, Alabama, and was designed for vegetable gardeners, small farms and landscape businesses. It is a small compact tractor that came with a complete line of implements especially tailored for its unique design. It featured a rear-mounted Continental N62 four-cylinder engine with a 2-3/8 x 3-1/2 inch bore and stroke. The rear-mounted engine provided traction for the rear wheels while at the same time gave the tractor operator a gre
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