| Model | ROCK 400D | ROCK 500D | ROCK 600D |
| Function | CC/PIPE | CC/PIPE | |
| Technology | DC/CC | DC/CC | DC/CC |
| Output Power (V) | 120/240V 50/60Hz | 120/240V 50/60Hz | 120/240V 50/60Hz |
| Phase | 1 | 1 | 1 |
| Output Power (W) | 10000 | 40000 | 40000 |
| Max Power (W) | 11000 | 45000 | 45000 |
| Rated input Current(A) | 91/46 | 34/17 | 34/17 |
| Fuel Tank (L) | 76 | 76 | 80 |
| Start Type | Electric | Electric | Electric |
| Rated Amperage(A) | 400 | 500 | 600 |
| Open Circuit Voltage (V) | 75 | 95 | 95 |
| Welding Current (A) | 60-400 | 60-500 | 60-600 |
| Duty Cycle (% at A) | 60% | 100% | 100% |
| Electrode/ Wire Dia (mm) | 10 | 10 | 10 |
| Machine Size (mm) | 1650x730x1100 | 1650x730x1100 | 1650x730x1100 |
| Package Size (mm) | 1990x740x1280 | 1990x740x1280 | 1990x740x1280 |
| NET Weight (kg) | 670 | 670 | 750 |
| Gross Weight (kg) | 680 | 680 | 760 |