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 - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a
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