In our case the D21 Series II would outpull the 1206. My brother pulled his 21 against me on grandpa's 1206 and handed it to me more than once. Now the 1256 with it's Schweitzer turbo and 407 cu inches vs the Series II 21 that was close. For longevity the IH would beat the Allis. The A-C had weak connecting rod design and quite a few engine blocks were windowed. The bull gears were also known to fail on the D21's. IH spent a ton and a mean a ton of hours testing the 806/1206's before they were released. They did not want a repeat of the 560's failures and history will show of some well cared 06's and 56's have accumulated incrediable number of hours before needing repair. I have a neighbor that has a 1026 hydro with a DT407 engine going in for it's first overhaul with 34,000 hours. Wow!
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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