Old Caterpillar Bulldozers Moving Dirt - Cat D3, Cat D5, Cat SIXTY @ Weiach Historik

Old Caterpillar Dozers moving dirt at Weiach Historik in Switzerland. The video shows the folliwing bulldozers in action:
1972 Cat D3
1971 Cat D5
1929 Cat SIXTY
#old #bulldozer #caterpillar #dozer #earthmover