'47, & '48 had frame mounted fuel tank, on right side of frame. '49, & '50 had inside cab fuel tank, with solid one piece door glass. '51 was only year with pull down door handles, & door vent glass. '52, &'53 look identical, except '52 models have "Chevrolet" script emblems, on hood, & '53's have "numeral" ie, "6400",on hood.
