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The ZT-20/32AT All Terrain Directional Drill is engineered for high-performance, cost-effective drilling across the full formation spectrum—from hard rock to soft soil. Its innovative dual drill rod system sets a new standard for HDD efficiency and precision in challenging projects like sewer line installation, pipeline crossings, and utility tunneling where rock obstacles are present.
Dual-Arm Rock Drilling System: The ZT-20/32AT uses an innovative system where the inner drill rod drives a tricone bit to break rock, while the outer drill rod drives the directional bend pipe for steering. This dual power head configuration enables a higher torque output and faster drilling speed compared to traditional mud motor-driven systems.
High Rock Drilling Efficiency: Equipped with dual power heads, the ZT-20/32AT delivers up to 6000 N·m of torque on the outer drill rod and 2000 N·m on the inner drill rod. This translates to superior performance in rock drilling, enabling faster project completion with less wear on drill rods.
Cost-Effective Operations: The advanced guidance system reduces the need for drilling fluid, which lowers operational costs. The high-efficiency mud pump (max displacement of 300L/min and pressure of 6 MPa) ensures optimal fluid management, maintaining both efficiency and safety.
Precision and Guidance: With a guidance accuracy within 3 meters, this drill rig excels in precise directional drilling, especially for applications with complex alignment requirements like pipeline construction.
Enhanced Durability: The ZT-20/32AT is built for long-term reliability, featuring a hydraulic double anchor system and Poclain rotation motor with a speed of 165 rpm, ensuring enhanced stability and performance in varying terrains.
The ZT-20/32AT All Terrain Directional Drill is a powerful and versatile solution for contractors facing mixed geology and hard rock challenges. By combining the high torque of a 6000 N.m outer rod with a dedicated inner rod drive, it eliminates the need for and limitations of mud motors in rock. With its Cummins Tier III engine, premium hydraulics, and focus on precision guidance and cost savings, it is built to deliver productivity and reliability on the toughest horizontal directional drilling jobsites.
Contact our HDD specialists to learn how the ZT-20/32AT can optimize your project.Fill out our inquiry form for personalized technical support and competitive pricing.
