2005 Tamrock Pantera 1100 Track Rock Drill, 10,729 Hrs Showing, 4,972 Percussion Hours, HL1000 Drifter, 3.5"-5.5" Hole Diameter, 108' Max Hole Depth, Seller States Hammer & Compressor Have Both Been Recently Overhauled In-House W/in Last 100 Percussion Hours, Contact Seller For Details, SN: 105T 9380-1