Horizontal Directional Drills - Astec Underground DD3238

5.25 m 

207 in 

Length 

1.88 m 

74 in 

Height

2.26 m 

89 in

Width at tracks 

8,046.73 kg (approx)

17,740 lbs (approx)

Machine weight

WEIGHT AND DIMENSIONS

A Zap-Alert System is standard equipment. E-stop shut down switch at driller's console and tram constol. The ES!LOK exit side lockout system is standard equipment 

PROTECTIVE EQUIPMENT

20.62 mm 

.812 in 

Fluid course 

66.5 mm 

2.625 in 

Tool joint O.D. 

60.5 mm 

2.375 in 

Outside tub diameter 

3.05 m 

10 ft 

Length 

DRILL PIPE (Optional) 

State-of-the-art rod loader uses 10-ft (3.05 m) stem. Onboard pipe capacity is 500 ft (152.4 m) 

PIPE LOADER

103.4 bar 

1,500 psi 

Maximum pressure 

178.8 L 

0-47 gpm

Output

Onboard mud pump ----------------------- Triplex pump 

DRILLING FLUID PUMP

Other features ------------------------------ Multi-function color LCD display and 25-ft tethered tram control

Hold-down system ------------------------ Two powered hydraulic augers in foot and independent rear stabilizers

Wrench/clamp ------------------------------ Open-top, floating-vice-type

Drill angle --------------------------------------Single pivot, maximum 15.5 degrees / 27% grade

Track material --------------------------------Rubber

3.2 - 5.2 km/h forward and reverse

2.0 - 3.25 mph forward and reverse

Flat surface speed

Travel System ------------------------------- Self-propelled on rubber tracks

DRILLING UNIT

Up to 36.6 m/min

Up to 120 ft/min

Carriage Speed

Two-speed floating cattiage with two-pinion

Drive Description

14.5 Tonnes

32,000 lbs

Max thrust/pullback

CARRIAGE DRIVE

5,152 Nm

3,800 ft-lb's

Rotary Torque Max

225 RPM

Rotary Speed Max

Pinion and gear drive, infinitely variable speed & torque

Rotary System

ROTARY DRIVE

405 L

107 Gal

Hydraulic capacity

254 L

67 Gal

Fuel Tank Capacity

93.2kw

125hp

Gross Horsepower

John Deere 4045T Diesel

Make and model

ENGINE

The sleek new look and style of the DD3238 comes through with the new front and rear hood design that allows easy, ground level access to the engine and hydraulic systems. The drills mud pump is also covered by the rear hood for added protection and curb appeal.

In addition, the DD3238 offers independent rear stabilizers, and a single-drive stake down system that can put down up to four stakes if necessary, and offers optional rock augers. It has a tethered travel control unit to help operator visibility during tramming and transport, and the improved front-drive track system offers traction and balance. The patented Es!Lok system is integrated into the drill controls, and there is an additional strike alert system with a voltage sensor for added safety.

The ergonomic operators station includes a microprocessor-controlled electronic readout for all the function gauges. The LCD screen is backlit and has function key operation for quick and easy view of all critical drill functions. It also offers both a drill mode and machine diagnostic screen for quick and easy information gathering. The multi-function single joystick controls all drill functions, and the comfortable, adjustable seat helps combat operator fatigue.

The DD3238 uses 10-foot drill stem and can carry up to 500 feet of pipe. The powered pipe greaser and state-of-the-art rod loader are standard features, as are the floating open-top vise wrenches.

The DD3238 provides 32,000 lbs of thrust/pullback force with the capability of up to 3,800 ft-lbs of rotary torque. The maximum rotary speed can reach up to 225 rpm. The drill weighs 20,000 lbs., and is 247 inches long by 89 inches wide. The DD3238 is powered by a 125-horsepower John Deere turbocharged diesel engine. It also has an onboard FMC mud pump that can pump up to 47 gallons per minute at up to 1500 psi. This new drill also boasts the field-proven dual rack-and-pinion carriage drive that has made American Augers maxi-rig drills the market leaders. The floating carriage is capable of two speeds, including a 120 ft/min fast mode for adding and removing rods.

The Astec? EarthPro Series DD3238 offers contractors the power and features of a much larger unit with the mobility and flexibility to fit onto any jobsite in any environment.