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Geoprobe® 7720DT Specifications

Stroke

77 in

1956 mm

Weight

6850 lbs

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 lbs

160 kN

Retraction Force

47,000 lbs

214 kN

Hydraulic Pressure (system)

2450 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 lbs

759 Nm

Rotation Rate (hammer motor)

0 -240 rpm

0 - 240 rpm

Fuel Capacity (diesel)

15 gal

57 L

Engine Power

54 HP

40 Kw

Ground Speed

0 - 4.5 mph

0 - 7.2 kph

Surface Load

3.7 lb/in2

0.26 kg/cm2

Water Transport Capacity

50 gal

190 L

Winch Rating

3000 lbs

1362 kg

Winch Speed

0 - 75 fpm

0 - 23 m/min

7720DT Drawing

Augerhead Specifications

Torque (high torque/low speed)

3000 ft lbs

4067 Nm

Torque (low torque/high speed)

1500 ft lbs

2034 Nm

Hex Adapter

1-5/8 in

41 mm

Rotation Speed (high torque/low speed)

0 - 105 rpm

0 - 105 rpm

Rotation Speed (low torque/high speed)

0 - 150 rpm

0 - 150 rpm

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Last Updated: 7/29/08