THere are substantial differences. Attachment points were about the same, but the top cover (I think) and the draft control system and many pivots and a "hitch angle cylinder" on the front right side that lays parallel to the ground, were way different. The 450 draft control was modestly effective and was a lever on the left of the platform to the rear of the TA. The 400 had no real draft control, but the tilt was very handy when using plows and disks to level the implement. It also let the hitch raise the implement much higher (in the back, trailing end)than on a 450. Look at the parts diagram to see a comparison. JimN
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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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