Caterpillar Tractors and Dozers on the Prowl

Caterpillar tractors work hard at the Tri-State Gas Engine & Tractor Show in Portland, Ind.

Rear view of the U.S. Army D-8 showing dual rear winches for use in operating a pan scraper.
Rear view of the U.S. Army D-8 showing dual rear winches for use in operating a pan scraper.