DK 620

The DK 620 follows the traditionof a line of drilling equipment that includes the popular DK 720 and DK 100 drill models. Engineered for drill efficiency and incorporating simple understandable hydraulic systems, the DK 620 is the workhorse of many contractors.

Standard and opional components give this model operating performance that is typically found in larger machines.

DK 620 General Specifications

Undercarriage:

 

 

Type:

Crawler, Fixed Base w/Rotary Bearing

 

Width (max.):

2,142 mm

(84.33 in.)

 

Length (O.A.):

2,644 mm

(104.90 in.)

 

Shoe Width:

450 mm

(17.72 in.)

 

 

 

 

Power Unit:

 

 

Type:

Diesel Engine

 

 

Make:

Deutz

 

 

Spec.:

BF4M1013C

 

 

Power:

131 hp @ 2,200 rpm

 

 

 

 

 

Rotator

 

 

 

Type:

Hydraulic Top Drive Drifter (2-motor)

 

 

Make:

Krupp HB40A (Other models available)

 

 

Rotary Mech:

Speed #1 (max.):

54 rpm

 

 

Torque #1 (max):

6,900 Nm (5,085 ft-lbs.)

 

 

Speed #2 (max):

107 rpm

 

 

Torque #2 (max):

3,450 Nm (2,543 ft-lbs.)

 

Hammer:

Blow Energy:

400 Nm to 590 Nm

 

 

 

(295 ft-lbs. To 435 ft-lbs.)

 

 

Blow Frequency:

1200 to 2500 per minute

 

Note:

Other torque and speed combinations available.

 

 

 

 

 

Drill Mast:

 

 

 

Type:

Motor/Chain Feed

 

 

Make:

Davey Kent, Inc.

 

 

Spec.

Fixed Length:

5,865 mm (19.24 ft.)

 

 

Working Stroke:

4,600 mm (15.09 ft.)

 

Perform:

Feed/Extract Force:

75.1 kN (16,874 lbs.)

 

(max)

Feed/Extract Rate:

17.5m/min (57.4 ft/min.)

 

 

 

 

Options:

 

 

 

Rotators, Drifters, Off-hole Slide Carriages, Hydraulic Winches, Hydraulic Clamps, Water/Grout Pumps, Machine Mounted Cranes,Urethane Track shoes, Wider Track Shoes.

 

 

 

 

Major Dimensions:

 

(Transport Config.)

W: 2,142 mm

( 84.33 in.)

 

 

L: 6,487 mm

(255.39 in.)

 

 

H: 2,555 mm

(100.59 in.)

 

 

 

 

Weight (approx.):

9,090 kg.

(20,000 lb.)

 

DK 620 Photo Gallery