The Geoprobe 7822DT 2-speed rotary head provides high-torque performance for, offering 4,000 ft-lbs of torque and a maximum speed of 150 RPM. Designed for versatility, it handles hollow stem augering, direct push, and soil sampling in limited-access areas. The 2-speed head is ideal for heavy-duty drilling, while a 4-speed option exists for higher RPM needs.
Geoprobe 7822DT 2-Speed Specs:
- Percussion System
- GH63 Hammer
- Percussion rate 32 Hz
- Hammer Rotation Torque 560 ft-lb
- Hammer Rotation Speed 200 rpm
- Engine
- Kubota V2403M Tier 4 final
- 65/56 hp
- Axial Piston – LS-HP limited pump
- Max flow 40 gpm
- Rotary Drive
- Two Speed Rotary Head
- Rotation Torque (Range 1) 4,000 ft-lb
- Rotation Speed (Range 2) 150 rpm
- Hex Adapter 1 5/8 in
- Automatic Drop Hammer, 140 lb.
- Tethered and Wireless Remote Systems
- Winch/Mast Base Assembly
- Winch Kit
- Main Winch 2,500 lbf
- Rotating Winch Mast Top
- 5 ft. Hydraulic Extruder
- Extruder Mounts (for side rail)
- Side Mount Rod Rack
- Drop Rack System with Rod Rack
- Vise Mount Assembly Bench Yoke Vise
- Head Travel 6.5 ft
- Head Push Force 36,000 lbs
- Head Pull Force 48,000 lbs
- Dimensions
- Width 70 in
- Length (transport) 133 in
- Height (transport) 100 on
- Weight 9,560 lbs
For more information on our new rental Geoprobe 7822DT with core package please contact Rig Source at 630.365.1649.



