old caterpillar bulldozer - hydraulic piston, bulldozer, caterpillar, dozer, heavy equipment, hydraulic cylinder, hydraulic piston, machinery old caterpillar bulldozer - hydraulic piston, bulldozer, caterpillar, dozer, heavy equipment, hydraulic cylinder, hydraulic piston, machinery

old caterpillar bulldozer - hydraulic piston

Old Caterpillar Bulldozer.­

Unclassified photos taken in San Francisco Bay Area.­