Multifunction drilling rig AD-II

truck-mountedrotaryhydraulic

When you look in the dictionary under the word "value", you may very well see a picture of the AD-II. Originally rolled out of our plant in 1969, the AD-II is still a very popular choice of contractors worldwide as a rugged, mechanical rotary drill. ​ What separates the AD-II? ​ Time-tested for 50 years. ​ High-torque for augering and high RPM for coring.​ ​ Various options and configurations. Standard Equipment Power Unit – (5) cylinder, 97 HP @ 2,300 RPM with 12-volt electric start. Drill Head - 2-15/16" [74.6 mm] spindle bore, accepts all rod and casing sizes up to "N" wireline. Eight speeds in forward and two in reverse. Mechanical drive bevel gears. Torque up to 7,000 ft. lbs. [9,490 Nm]. Lo-Range (Spindle Speeds @ 1,800 Engine RPM) - 1st Gear (0-63 RPM) 2nd Gear (0-130 RPM) 3rd Gear (0-238 RPM) 4th Gear (0-403 RPM) Hi-Range (Spindle Speeds @ 1,800 Engine RPM) - 1st Gear (0-98 RPM) 2nd Gear ( 0-201 RPM) 3rd Gear (0-368 RPM) 4th Gear (0-623 RPM) Lo-Range (Spindle Speeds @ 2,800 Engine RPM) - 1st Gear (0-98 RPM) 2nd Gear (0-203 RPM) 3rd Gear (0-371 RPM) 4th Gear (0-627 RPM) Hi-Range (Spindle Speeds @ 2,800 Engine RPM) - 1st Gear (0-151 RPM) 2nd Gear (0-314 RPM) 3rd Gear (0-574 RPM) 4th Gear (0-969 RPM) Transmission – 4-speed transmission with two speed auxiliary transfer box, providing eight speeds forward and two speeds in reverse. Mast - Hydraulic folding Mast for 20 ft. [6.09 m] rod pulls complete with sheaves for manila rope and hoisting cable. Mast disconnect permits mast-down and allows for low head room drilling operations.