I photographed this Caterpillar Model 15 Tractor at the American Armory Museum in Fairfield, CA.
The Caterpillar Model 15 Tractor is visually similar to the Caterpillar D2
I photographed this Caterpillar Model 15 Tractor at the American Armory Museum in Fairfield, CA.
The Caterpillar Model 15 Tractor is visually similar to the Caterpillar D2