john deere's first harvester 743 in 1979

Was looking on the Deere website for an outdated machine manual and came across some of their logging history information; stumbled across a table showing that their first tree harvester was produced in 1977, so naturally I was curious about it. I wasn't able to find much of anything on the piece: limited number of photos, no mechanical/ general information, nor videos (besides a slide-show of poor quality photo's).

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