| Specifications | |
| Name | Horizontal Directional Drill |
| Model | GD39 |
| Engine | Cummins 153KW |
| Push and pull drive type | Rack and pinion |
| Max pull back force | 390KN |
| Max push and pull speed | 10s |
| Max torque | 16500N.m |
| Max reaming diameter | 1100mm (43.34in) |
| Standard configuration of reamer | φ300-φ900mm (φ11.82-φ35.46in) |
| Max working distance | 400m (1312ft) |
| Drill rod | φ83*3000mm ( φ3.27*118.2in) |
| Standard configuration of drill rod | 100 pcs |
| Mud pump displacement | 450L/m |
| Walking drive type | Steel lock rubber block crawler self-propelling |
| Walking speed | Double speed |
| Rod changing type | Semi-automatic |
| Anchor | 3 pieces |
| Max grading ability | 20° |
| Overall dimensions (L*W**H) | 6800*2250**2350mm (267.92*88.65*92.59in) |
| Machine weight | 10800kg (23810lb) |