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Geoprobe®Model 7822DT
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7720DT Specifications |
7822DT Specifications |
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| Stroke | 77 in. |
1,956 mm |
78 in. |
1,981 mm) |
| Weight | 7,100 lb. |
3,221 kg |
7,555 lb. |
3,427 kg |
| Width | 60 in. |
1,524 mm |
60 in. |
1,524 mm |
| Length (folded) | 125 in. |
3,175 mm |
133 in. |
3,378 mm |
| Height (folded) | 89 in. |
2,260 mm |
92.5 in. |
2,350 mm |
| Height (unfolded) | 184 in. |
4,674 mm |
184 in. |
4,674 mm |
| Lateral Movement (side-to-side | 33 in. |
828 mm |
25 in. |
635 mm |
| Oscillation | N/A |
+/- 10 degrees |
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| Foot Travel | 39 in. |
991 mm |
20 in. |
508 mm |
| Extension | 15 in. |
381 mm |
15 in. |
381 mm |
| Down Force | 35,000 lb. |
160 kN |
36,000 lb. |
160 kN |
| Retraction Force | 47,000 lb. |
214 kN |
48,000 lb. |
214 kN |
| Hydraulic Pressure (system) | 2,450 psi |
169 bar |
2,500 psi |
172 bar |
| Hydraulic Flow Rate (system) | 30 gpm |
114 Lpm |
40 gpm |
151 Lpm |
| Hammer System | GH62 |
GH64 |
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| Percussion Rate | 32Hz |
32 Hz |
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| Torque (hammer motor) | 560 ft. lb. |
759 N·M |
(see below) |
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| Rotation Rate (hammer motor) | 240 rpm (bi-directional) |
(see below) |
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| Fuel Capacity (diesel) | 15 gal |
57 L |
17 gal |
77L |
| Engine (diesel) | Kubota, 4-cylinder turbo |
Kubota, 4-cylinder turbo |
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| Engine Power | 54 hp |
40 Kw |
58 hp |
42 Kw |
| Outrigger Extension | 16 in. |
406 mm |
N/A |
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| Rear Stabilizer Lift | N/A |
2,000 lb. |
907 kg | |
| Ground Speed | 0-4.5 mph |
0-7.2 kph |
0-5 mph |
0-8 kph |
| Surface Load | 3.7 lb/in  |
0.26 kg/cm |
3.9 lb/in |
0.27 kg/cm |
| Winch Rating | 2,350 lb. |
1,067 kg |
2,350 lb. |
1,067 kg |
| Winch Speed | 0-110 fpm |
0-34 m/min |
0-126 fpm |
0-38 m/min |
| GH64 Hammer Specifications | ||||
| Torque (high torque/low speed) | N/A |
450 ft. lb. |
610 N·M | |
| Torque (low torque/high speed) | N/A |
225 ft. lb. |
305 N·M | |
| Rotation speed (low/speed/high torque) | N/A |
0-250 rpm |
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| Rotation speed (high speed/low torque) | N/A |
0-500 rpm |
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| Augerhead Specifications | ||||
| Torque (high torque/low speed) | 3,000 ft. lb. |
4,067 N·M |
4,000 ft. lb. |
5,423 N·M |
| Torque (low torque/high speed) | 1,5000 ft. lb. |
2,034 N·M |
2,000 ft. lb. |
2,711 N·M |
| Hex adapter | 1-5/8 in |
41 mm |
1-5/8 in |
41 mm |
| Rotation speed (low speed/high torque) | 0-105 rpm |
0-95 rpm |
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| Rotation speed (high speed/low torque | 0-150 rpm |
0-150 rpm |
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