All Terrain Technology
- AT Rig contains dual drill rods (rod-in-rod) instead of a single rod system.
- AT is highly effective in mixed hard soils, including rock formations ranging from 5,000 to 20,000 PSI. Lower downhole pressure helps maintain productivity.
- AT saves up to 80% water / drilling fluid compared to traditional mud motor systems.
- In comparison, mud motors transmit only about 50% of power downhole, whereas AT delivers 95% or more of the HDD unit’s inner drive power. This makes AT approximately 40% more efficient than mud motor systems.
- All Terrain technology reduces jobsite footprint. Mud motor setups require larger space due to additional support equipment, whereas AT requires a smaller setup area, helping minimize environmental disruption.
| Description |
AT4020 Ditch Witch |
GD450-LS |
| Fuel Capacity |
55 Gallons |
31 Gallons |
| Hydraulic Tank Capacity |
36 Gallons |
69 Gallons |
| Max. Carriage Speed |
(Thrust) 120 FPM |
(Thrust) 130 FPM |
| Pull Back |
40,000 LBS |
64,000 LBS |
| Thrust |
36,000 LBS |
64,000 LBS |
| Weight |
28,000 LBS |
23,145 LBS |
| Ground Travel Speed |
Forward: 2.5 MPH |
2 to 3 MPH |
| Maximum Distance |
450 Meter |
600 Meter |
| Maximum Power |
185 HP |
205 HP |
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