Oil well drilling rig mover

An oil well drilling rig mover comprising a pair of laterally spaced dollies, braces between the dollies and detachably connected thereto, each of the dollies including a beam for resting on a support, a pair of laterally spaced wheels at each end of the beam, an axle connecting each pair of wheels and normally extending transversely of the beam, a tiltable support member above each end of the beam, means pivotally connecting each support member to the underlying beam on a horizontal axis extending transversely of the beam, an arm extending outwardly from the outer end of each of said support members, means for selectively rigidly connecting each arm to the adjoining support member in either of two laterally spaced positions, a rotatable shaft extending downwardly from the outer end of each arm, means connecting the lower end of the shaft to the central portion of the underlying axle of a pair of said wheels, and means connected to the beam and support members for tilting the support members away from each other to lift said beam relative to said wheels, the two beams and the braces forming a skid base for a drilling rig, and means for turning said shafts to permit the skid base to be moved laterally.