TRANSIT

REVOLVING POWER-SHOVELS, DRAGSHOVELS, CRANES, CLAMSHELL EXCAVATORS, DRAGLINE EXCAVATORS, DRILLS, AND BASE MACHINES (COMPRISING REVOLVING UPPER AND NON-REVOLVING LOWER WORKS), FOR SELECTIVE MOUNTING OF VARIOUS TYPES OF BOOM (INCLUDING SHOVEL BOOMS, DRAGSHOVEL BOOMS, CRANE BOOMS, AND THE LIKE), ALL OF THE FOREGOING BEING CHARACTERIZED BY HAVING A RUBBER-TIRED WHEEL-TYPE ENGINE-POWERED MOBILE LOWER WORKS