Big, Bigger, BIGGEST! 3 MASSIVE MACHINES that move!

The NASA crawler-transporters (land transport vehicles), Big Bertha (tunnel boring machine) and Bagger 293 (mining machine) are World's biggest / largest machines ever built!

If you want buy one of these monstrous mechanical marvels, you'll need at least 100 million US dollars and a crew of 5 to drive it…

The NASA crawler-transporters are the largest land transport vehicles in the world. Each crawler weighs about 2.7 million kilograms or about 6 million pounds. They are 40 meters or 131 feet long and 35 meters or 114 feet wide. Built in 1965 at a cost of 14 million US dollars each, the 2 crawler-transporters are actually nicknamed "Hans" and "Franz".

Big Bertha is the world's largest tunnel boring machine… and here she is in 41 pieces leaving Osaka Bay Japan on route to the United States of America. The 80 million dollar 57.5 foot diameter Bertha was designed specifically for the SR99 Tunnel Project commissioned by the Washington State Department of Transportation.

Bagger 293 is the biggest terrestrial vehicle of all time (and the biggest mining machine ever). Built in 1995 by the German industrial company TAKRAF, Bagger 293 is a giant bucket wheel excavator that currently works in a brown coal mine near Hambach in western Germany. At 738 feet long and towering 315 feet high, this gigantic contraption weighs 14,200 tonnes or about 31 million pounds.

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