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A walk around of the 1936 Caterpillar RD4 4G238 turns into a study on design evolution to the Cat D4 tractor / dozers. I compare 4G238 with 4G9986 and everything in the 4G series in between.
Episode #55
We are operators pretending to be mechanics.
Regards,
Aaron & Greg "The cleaner"
Thanks for watching!
Used gopro and corel editing software in the creation of this video.
LAOL
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