Acker - Model AD-II -Rotary Drill Unit

What separates the AD-II?

• Time-tested for 50 years.
• High-torque for augering and high RPM for coring.
• Various options and configurations.

Power Unit : (5) cylinder, 97 HP @ 2,300 RPM with 12-volt electric start.

Drill Head: 2-15/16" [7.46 cm] 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.

Drill Frame: Welded structural steel, supports the mast, control panel, winches and Cathead.

Dual Action Slide Base: Provides both side-to side "wiggle-tail" (Optional) and in-and-out movement (Standard) of the drill unit assembly for precise positioning over the hole.

Auger Guide:  Prevents "kick out" when starting new holes. Available in multiple sizes to match preferred auger size.  Customer to specify.

Control Panel : All controls and gauges are grouped together in a convenient panel located at the left rear of the machine and facing the rear.

Hydraulic Leveling Jacks: Two (2) front and (2) rear mounted jacks with 36" [91 cm] stroke and lock check valves.

Main Drum Hoist : 10,000 lb. [4,535 kg] planetary type with rapid reverse and automatic brake.  Equipped with ft. [27.4 m] of 1/2" [1.27 cm] cable.

Wireline Hoist : Hydraulically powered, used for wireline core drilling. 1,500 ft. [457 m] of  1/8" [.33 cm] wireline cable.  Lifting capacity is 800 pounds [362 kg].

Auxiliary Winch : 2,500 lb. [1,334 kg] capacity.  Equipped with 75 ft. [22.86 m] of 5/16"[.81 cm] cable.

Cathead Cargo Type Hoist : Hydraulically powered cargo type hoist.

Water Pump : Progressive cavity Moyno 3L6 mud pump. Hydraulically driven. Capacity is 27 GPM at 225 psi.

Water Pump : Progressive cavity Moyno 3L8 mud pump.  Hydraulically driven.  Capacity is 50 GPM at 225 psi.

Water Pump : Triplex piston pump for high-pressure operations.  Flow capacity 22.6 GPM @ 425 psi.

Water Pump : Triplex piston pump for high-pressure operations.  Flow capacity 30 GPM @ 425 psi.

140 lb. [63.5 kg] Automatic SPT Hammer : Hydraulically driven mechanism conforms to ASTM SPT.

Ackermatic Hydraulic Chuck Assembly : 4" [10.1 cm] handles all casings AW through NW, all rods a through H (jaws must be changed for each rod or casing size).

Hydraulic Rod Clamp: Break-Out Wrench

Drill Platform : Welded steel construction with safety decking, two under deck lateral storage compartments providing drill rod and core barrel storage.

Auger Storage : Under slung horizontal type provides storage.

Tool Box : Large under slung double size compartment with two lockable doors for miscellaneous storage.

Drill Operator’s Stand : Attaches to drill platform.  Has non-skid step for operator`s safety.  Folds up for traveling.

Water Tank : All steel welded construction with drain valve, baffles and filler cap.  250 gallon [946 L] capacity.  Mounts on drill platform.