Thats not the only head around with the cast # ground off. Some are repaired there and who knows all the other reasons. If the stamped # is suposed to be what the head was, 8574 is a gasoline head for a M. Without the suffix letters can't say if it was cast in 1942 or in the 60 tees. 8574 DC was made as a replacement maybe 10 years after the tractors were made. If the head has a hole at rear for the vent line its probably a M or SM head. Combustion chamber check may be the only option to tell. From the looks of the head studs sticking up, they are longer, or the head or block has material removed.
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Today's Featured Article - Bad Vibes - by Curtis Von Fange. One of the strangest ways to communicate with our tractor is to ask it how it feels. "Ask it how it feels," you say? Yup, ask it how it feels. Now, as with the other articles in this series one has to be able to hear what 'ole blue' is trying to say in response. The nice thing about our old iron friends is that they are usually quite consistent in their response, rather unlike some people I know who might change what they say due to the weather or other mitigating circumstances. But since t
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