Big Digger on A Rail Car

Cat on A Flatbed, originally uploaded by KDavidClark.

Check out this big Caterpillar; it's brand new and on its way somewhere to dig dirt!

Big Red Mack Truck

Heavy Hauler from History! These are some of the best looking trucks in the world.

Big Orange machine

20041018_5388...Heavy metal thunder, originally uploaded by listorama.

Check out the size of those tracks!

Big Wrench

100305-F-7515R-162, originally uploaded by US_Air_Force.

Now THAT is a tool! With a crescent wrench like that you could fix or pound your way out of any mess!