Looks like this is another question getting different answers. If the 450 is the original type from IH. Without hubs it has spindles that use a different size wheel bearings than a original 300. Steering arm that bolts to the vertical steering shaft has a different bolt pattern. Rear wish bone support is different. Rest of the wide front parts were the same. If you get the hubs with the 450 wide front that just leaves the 2 parts needed to use it on a 300. 300 and 450 spindles are the same length and use the same knees. The different wheel bearings and hubs from a 450 would just give you more strength.
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Today's Featured Article - Product Review: Electronic Ignition - by Staff. Oil, for example has come a long way in the last 50 years and I don't use anything but the latest API grade available. I've heard the arguments for non-detergent oils but would never trade it for today's formulations. Paint is another, the modern acrylic enamels are great for resistance to grease and fuel stains, retaining their shine and they last forever; unlike enamels and lacquers . Still another is the alternator. No doubt using the original generator keeps the tractor pure, but for thos
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