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 - Fabrication (Who Me? Make it myself?) - by Chris Pratt. First of all, what are the reasons for not fabricatin your own parts? Most judgements on what should be purchased rather than fabricated stem from: Originality - If the tractor restoration is to be 100% original, it is likely that you should spend the time and money to locate the component in the used or New-old-stock market. Since this can be extremely difficult, you may want to fabricate the item or purchase a modern replacement temporarily, but eventually, you s
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