- ALTEC HD35A-10 PRESSURE DIGGER - Nominal Digging Depth: 10 ft (3 m) - Lowest Overall Working Height - Mast/Pole-Setter Retracted: 20.6 ft (6.3 m) - Maximum Sheave Height - Telescopic Pole-Setter: 27.8 ft (8.5 m) -Non-Insulating Pressure Digger Continuous Digging Capacity to 72 in (1830 mm) Dia. Hole High Performance Inertia Drive System Ergonomic Work Station Cummins 160 hp Diesel Engine Drive Torque to 30,000 ft-lb (40,675 N.m) Variable Speed Drive System to 160 RPM 3.5 in (90 mm) Square Kelly Bar for Increased Resistance to Bending Mast Leveling, 20° to Left, Right and Rear Set-Up Mast Without Paying-Out Winch Line 240° Rotation Main Digger Frame Extends and Retracts 36 in (914 mm) Subbase Mounting for 120 in (3048 mm) Chassis Ram Cylinder Extend Force to 35,640 lb (16,167 kg) Tool Storage and Drop Pocket 50 gal (189.3 L) Fuel Tank Capacity