Did you ever see a fire truck? Those 10 foot lengths of big hose on the side are suction line. They are typically 8 inch or larger and discharge lines are 1 and a half to six inch even though the discharge lines go twenty times further. Friction loss is a much bigger problem on the suction side than discharge, but friction loss is a function of distance. Any part of that suction that you can replace with significantly larger will help a whole lot.
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Today's Featured Article - Tractor Profile: Allis-Chalmers WD45 (Gas Version) - by Staff. Beginning production in 1953, the WD45 had the same general look as the WD tractor which was produced earlier - but was much more powerful. This was due to the new 4-cylinder "Power Crater" gasoline engine with a 4 x 4-1/2 inch bore and stroke. Some people feel this was one of the most significant tractors offered by Allis-Chalmers in those days. Nothing in its weight or power class could match its performance. In 1954 they began offering the WD45 with the new "Snap-Coupler&quo
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