Lyric discussion by toph47 

Cover art for King of the Mountain lyrics by Southern Culture On The Skids

All that make sense, but...

A Pentacon is an old medium format (bigger film than your typical) camera - they refer to him buying a camera with moonshine money - so "Easin' in a 'Pentacon' Tractor" would mean while farmers are toiling in their Massey-Fergusons, he's got it easy with his vehicle of choice, which happens to be a 'Pentacon.'

I thought it was 'independent contractor when I first heard it, I'm just saying, is all...

hillbillybaby is right, and it is "independent contractor"

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