The EDT-7 is Watson’s 60,000 ft-lb excavator-mount drill under 100,000 lbs operating weight. This 2013 model was mounted NEW by the manufacturer on customer’s USED 2008 CAT330D. The CAT is currently reading approx 12,800 hrs, however, the drill head has substantailly less. The drill has a 4-element kelly capable of 60′ depths. It has a Pullmaster M25 main winch with controlled free-fall and an 8,000 lb auxillary winch.