Unless the SM has the optional low speed first gear the 450 has the greatest reduction in first gear by a little. All other reduction gears through transmission and rear end are the same ratio. SM first 19 and 44 teeth = 2.31 ratio. 450 first 21 and 52 teeth = 2.48 ratio. Some SM came with 13 X 38 tires and some 450 with 15.5 X 38 which added to a 450 feeling slower in first.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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