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Product Specs: Model 7720DT
 
Stroke
77 in.
1956 mm
Weight
6,850 lb.
3110 kg
Width
60 in.
1524 mm
Length (folded)
96 in.
2438 mm
Height (folded)
89 in.
2260 mm
Height (unfolded)
177 in.
4496 mm
Lateral Movement (side-to-side)
33 in.
838 mm
Foot Travel
39 in.
991 mm
Extension
15 in.
381 mm
Down Force
35,000 lb.
160 kN
Retraction Force
47,000 lb.
214 kN
Hydraulic Pressure (system)
2,450 psi
169 bar
Hydraulic Flow Rate (system)
30 gpm
114 Lpm
Hammer System
GH62
GH62
Percussion Rate
32 Hz
32 Hz
Torque (hammer motor)
560 ft. lb.
759 Nm
Rotation Rate (hammer motor)
240 rpm (bi-directional)
Fuel Capacity (diesel)
15 gal
57 L
Engine (diesel)
Kubota, 4-cylinder turbo
Engine Power
54 hp
40 Kw
Outrigger Extension
16 in.
406 mm
Travel Speed
0-4.5 mph
0-7.2 kph
Surface Load
3.7 lb/in2
0.26 kg/cm2
Winch Rating
3,000 lb.
1,362 kg
Winch Speed
0-75 fpm
0-23 m/min
 
Augerhead (optional)
Torque (high torque/low speed)
3,000 ft. lb.
4067 Nm
Torque (low torque/high speed)
1,500 ft. lb.
2034 Nm
Hex Adapter
1-5/8 in.
41 mm
Rotation Speed (low speed/high torque)
0-105 rpm
0-105 rpm
Rotation Speed (high speed/low torque)
0-150 rpm
0-150 rpm

7720DT drawing 7720DT at work

 
 
 
 
  Copyright 2006 by Kejr, Inc.

:: © Copyright 2006 by Kejr, Inc. : Geoprobe® and Geoprobe Systems® are registered trademarks of Kejr, Inc.