Pacific Drilling Co.’s all-terrain Wolverine drill rig is capable of accessing remote and rugged job sites to get the job done. This remarkable, self-contained hollowstem drill rig is mounted on a heavy-duty, 4WD Unimog Mercedes truck. It is equipped with 3.25-6.5 in. I.D. hollowstem augers, auto SPT hammer, direct push hammer, mud rotary, air rotary drilling, on-board grout pump, on-board water supply, and continuous soil sampling. Capable of drilling anywhere from a sandy beach, to an off-road site in the mountains, the Wolverine is unrivaled in power and versatility.