Caterpillar Tractors and Dozers on the Prowl

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

A 1948 Model D-2 Caterpillar with cable-operated blade, from the collection of Robert Leonard, Sunman, Ind.
A 1948 Model D-2 Caterpillar with cable-operated blade, from the collection of Robert Leonard, Sunman, Ind.