The 2015 Geoprobe 7822DT
The Geoprobe® Model 7822DT is a high-capacity direct push machine with a narrow platform for limited access areas and a sufficient stroke for added work space under the hammer.
This machine is equipped with many of the features Geoprobe® customers are accustomed to, and with many new advantages to offer customers flexibility in all types of field conditions.
| Stroke | 78 in. | 1,982 mm |
| Weight (approximate) | 8,000 lb | 3,632 kg |
| Width | 64 in. | 1,626 mm |
| Length (folded) | 133 in. | 3,378 mm |
| Height, w/standard mast (folded) | 100 in. | 2,540 mm |
| Height, w/rotating mast (folded) | 86 in. | 2,184 mm |
| Height, w/dual mast (folded) | 100 in. | 2,540 mm |
| Height, no mast (folded) | 79 in. | 2,007 mm |
| Height, w/mast (unfolded) | 187 in. | 4,750 mm |
| Height, no mast (unfolded) | 118.5 in. | 3,010 mm |
| Foot Travel | 20.5 in. | 521 mm |
| Extension | 15.5 in. | 394 mm |
| Lateral Movement (side-to-side) | ± 7° from centerline | |
| Oscillation | ± 13° from vertical | |
| Rear Stabilizer Lift | 2,000 lb | 907kg |
| Rear Blade Width | 60 in. | 1,524 mm |
| Ground Speed | 0 – 5 mph | 0 – 8 kph |
| Surface Load | 4.6 lb/in.² | 0.32 kg/cm² |
| Track Width | 12 in. | 305 mm |
| Hammer System | GH63 | |
| Percussion Rate | 32 Hz | |
| Forward Torque | 517 ft-lb | 701 N•M |
| Reverse Torque | 637 ft-lb | 864 N•M |
| Rotation Speed | 0 – 234 rpm | |
| Power Cell Weight | 90 lb | 41 kg |
| Down Force | 36,000 lb | 150 kN |
| Retraction Force | 48,000 lb | 214 kN |
| Hydraulic Pressure (system) | 4,000 psi | 275 bar |
| Hydraulic Flow Rate (system) | 40 gpm | 151 Lpm |
| Engine (diesel) | Kubota, 4-cylinder turbo, Tier 4i | |
| Engine Power (rated) | 58 hp | 42 Kw |
| Fuel Capacity (diesel) | 17 gal | 64 L |
| GA4100 Augerhead, 4-Speed | ||
| High Torque | 4,000 ft-lb | 5,423 N•M |
| Low Torque | 400 ft-lb | 542 N•M |
| High Speed Rotation | 0 – 750 rpm | |
| Low Speed Rotation | 0 – 75 rpm | |
| Hex Adapter | 1 – 5/8 in. | 41 mm |
| GH4000 Augerhead, 2-Speed | ||
| High Torque | 4,000 ft-lb | 5,423 N•M |
| Low Torque | 2,000 ft-lb | 2,7111 N•M |
| High Speed Rotation | 0 -150 rpm | |
| Low Speed Rotation | 0 -90 rpm | |
| Hex Adapter | 1 – 5/8 in. | 41 mm |
| Primary Winch | ||
| Winch Rating | 2,350 lbf | 10.5 KN |
| Winch Speed | 0 – 125 fpm | 0 – 38 m/min |
| Cable Length | 75 ft | 23 m |
| Secondary Winch | ||
| Winch Rating | 1,000 lbf | 4.4 KN |
| Winch Speed | 0 – 180 fpm | 0 – 55 m/min |
| Cable Length | 150 ft | 46 m |
| Clamp Opening | 7 in. | 178 mm |
| Clamp Range | 1.25 – 6 in. | 31.75 – 152 mm |
| Clamp Force | 0 – 17,500 lbf | 0 – 78 kN |
| Breakout Torque | 6,000 ft-lbf | 8,135 N•M |
| Weight | 350 lb | 159 kg |
| Specifications | |
| Used For | multi-purpose |
| Division | geotechnical |
| Model | 7822dt |
| Make | Geoprobe |
