Though I don't know much about MH's, I would venture to assume it was a test pattern. I have a McD W6 with NEW PATTERN on the rear end casting where the date code goes. When the foundry wore out the old casting pattern, they had to make a new one. They would run, oh say 10 new castings with the NEW PATTERN plate. If the passed a leak check & had no flaws, they were ok'd for production & received a date stamp. If they ran out of dated castings, they would pull a new pattern casting & throw it on the line with the lot of them. This is what I gleaned from the question I posted about my W6, last fall. I may have forgotten something, along the line, but that should be the gist of it. - Mike
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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