Original old petroleum trade magazine vintage ad  CATERPILLAR TRACTOR COMPANY of Peroia, IL.  All new Cat D7E tractor.  Choice of power shift or direct drive.  New from track frame to transmission, from engine to attachments.  It's a bigger, more productive tractor, loaded with features. Improved attachments include tilt cylinder for the No. 7S bulldozer.  This 1962 two page gatefold oil and gas industry ad would display beautifully matted and framed.