This is the type of question that will get a respondent an ear full of lemonade.
You postulate a platoon/company defeating an armored battalion/short brigade with little other defining attributes? Why not throw in a Death Ray from the planet Mongo?
The concept of the 'land battleship' is what died. The swagger of a tanker on a Saturday night is still going strong.
www.dtic.mil/dtic/tr/fulltext/u2/a264578.pdf