| Version 1 - Tier 2 engine: | |
| Model | Komatsu SDA16V160E-2 |
| Type | 4-cycle, water-cooled, direct injection |
| Aspiration | Turbocharged, aftercooled |
| Number of Cylinders | 16 |
| Horsepower, Net - ISO 9249 / SAE J1349 | 1400 kW / 1875 HP |
| Rated RPM | 1800 |
| Version 2 - Tier 4 engine: | |
| Model | Komatsu SDA16V160E-3 |
| Type | 4-cycle, water-cooled, direct injection |
| Aspiration | Turbocharger and aftercooled |
| Number od cylinders | 16 |
| Rated power | 1400 kW / 1874 HP |
| Rated RPM | 1800 |
| Emissions certification | EPA Tier 4 |