This Watson 3000 is mounted on a 1991 HME 880-DOH. The rig has a max drill depth of 70 ft, wedge pin, 6-in and 8-in Kellies, and a 6-in sub. Total running hours on the rig are just over 8,000 and the truck has just over 92,000 miles. The unit is equipped with Cummins upper and lower engines and has been upgraded to a chain drive.