top of page

R.A.D. (Restricted Access Drill)

The R.A.D. (Restricted Access Drill) is a all-hydraulic drill specifically designed for easy access in restricted spaces.  It is capable of fitting through a standard 36” doorway and under 8’ ceilings with a travel position of 39-1/2” wide and 33-1/2” with tracks retracted.  It includes a three section mast designed for 11 ft., 7 ft., and 3 ft. head stroke. 
What separates the R.A.D.?
Capable of traveling through 36" doorway.
Capable of drilling under 8 ft. clearance.
Various options and configurations.
Standard Equipment

Power Unit –

(4) cylinder diesel, air-cooled, 62 HP @ 2,600 rpm with 12-volt electric start.  

Feed –

11 ft. [3.35 m] stroke and capable of 11,000 pounds [4989 kg] upward thrust and 11,000 pounds [4989 kg] pull down.

Drill Head - 

3-5/8" [9.2 cm] spindle bore, accepts all rod sizes up to "HW" and casing sizes up to "N".  Eight (8) infinitely variable speeds in forward and reverse. Hydraulically operated "slide type" drill head provides clearance for tool handling.  Drill head speeds are from zero to maximum RPM in each gear range.

Drill Head Speeds / Torque -

1st Gear (0-120 RPM @ 3,028 ft./lbs. torque)

2nd Gear (0-252 RPM @ 1,452 ft./lbs. torque)

3rd Gear (0-456 RPM @ 788 ft./lbs. torque)

4th Gear (0-750 RPM @ 458 ft./lbs. torque)


Mast -

Welded structural steel supports and guides the rotation and feed components.  Hydraulically positioned then rigidly held in position for drilling (from 45° to 90°), hydraulically lowered to the travel position for moving from hole to hole.  Includes a crown block with sheaves.  Mast capable of drilling under 8 ft. [2.44 m] clearance.

Drill Frame -

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

Auger Guide -

Prevents "kick out" when starting new holes.  Available in multiple sizes to match preferred auger size. 

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.

Undercarriage -

The entire drill is mounted on a welded structural frame and is self-propelled by rubber crawler tracks.  The track drive is operated with a remote radio control system.

Hydraulic Leveling Jacks –

Two (2) front and (2) rear mounted jacks with lock check valves.


Optional Equipment

Main Drum Hoist -

4,500 lb. [2,041 kg] planetary type with rapid reverse and automatic brake.  Equipped with 75 ft. [22.8 m] of 5/16" [0.31 cm] cable.

Wireline Hoist (In Lieu of Auxiliary Winch) -

Hydraulically powered, used for wireline core drilling. 750 ft. [228 m] of 3/16" [.48 cm] wireline cable.  Lifting capacity is 800 pounds [362 kg].

Auxiliary Winch (In Lieu of Wireline Winch) -

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

Front Winch -

12,000 lb. [5443 kg] planetary type with automatic brake. capable of operating in conjunction with tracks.  Equipped with 100 ft. [30.48 m] of 5/8"[1.6 cm] cable. 

Cathead Cargo Type Hoist -

Hydraulically powered cargo type hoist.

Water Pump –

Progressive cavity Moyno 3L4 mud pump. Hydraulically driven. Capacity is 17.5 GPM at 225 psi.

Water Pump –

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


Water Pump –

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


Auger Rack -

Front mounted auger rack provides storage for up to 50 ft. of 4-1/4" [10.8 cm] hollow stem augers.

Ackermatic Hydraulic Chuck Assembly -

"H" Chuck handles all rods/casings up to 3-1/2" [88.9 mm] OD.  Jaws must be changed for each rod or casing size.  

Break-Out Wrench 


Rod Tray and Tool Box 

bottom of page