Illustrated Guide to a Holt 75 

In many ways a Holt 75 "Caterpillar" Tractor is like a see-through engine. All the things that are in iron cases in more modern machines are exposed, so what are they?
In this video we point out a few of the things that might make you wonder.
For the "seasoned" enthusiast, this might be redundant, but we hope everyone enjoys it.
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