The key characteristics of the 2000THD drilling rig are as follows:

1. Mounting: The 2000THD drilling rig is mounted on a quad-axle trailer, providing stability and mobility for transportation to various job sites.

2. Versatility in Applications: Ideal for geophysical drilling, mineral exploration, and water wells, the 2000THD is suitable for a wide range of drilling operations across different industries.

3. Pullback Capacity: The rig has a rated pullback capacity ranging from no less than 31,780 kg (70,060 lbs) to no less than 45,454 kg (100,210 lbs), providing substantial force for efficient drilling operations.

4. Drilling Methods: Designed primarily for air/mud rotary drilling, D.T.H hammer drilling, wire-line drilling, and large diameter coring, the rig offers versatility in drilling techniques to accommodate various geological formations and project requirements.

5. Drilling Specifications:
   - Open Hole Diameter: Ranging from 250mm (10") to a depth of 1200m (3937 ft).
   - Pulldown Force: 21,818 kg (48,000 lb).
   - Pullback Force: 38,638 kg (85,000 lb).
   - Variable Head Speeds: Head low speed ranges from 0 to 60 RPM, with corresponding torque rating of 1100 N/m (7950 lb/ft); head high speed ranges from 0 to 120 RPM, with corresponding torque rating of 550 N/m (3978 lb/ft).
   - Winch Capacity: 12,000 kg.

6. Adaptability and Customization: The 2000THD can be fitted with suitable options such as different drilling tools to enhance its functionality and meet specific drilling requirements.

Overall, the 2000THD drilling rig offers robust pullback capacity, versatility in drilling methods, and adaptability to various drilling applications, making it suitable for geophysical drilling, mineral exploration, and water well projects.