| Generator Specification | |
| Generator Model | GGS-844-P |
| Frequency | 60Hz |
| Prime Power | 675kW/844kVA |
| Standby Power | 743kW/928kVA |
| Rated Voltage | 220V, 127V |
| Dimension (L x W x H) (mm) | 4080 x 1700 x 2200 |
| Gross Weight (KG) | 5700 |
| Engine Specification | |
| Engine Brand | Perkins |
| Engine Model | 4006-23TAG3A |
| Cooling System | Water Cooled |
| Aspiration | Turbocharged |
| Number of Cylinders | 6 Cylinder, Vertical in Line |
| Cycle | 4 Stroke |
| Displacement | 22.921 L |
| Bore x Stroke | 160 x 190 mm |
| Compression Ratio | 13.6:1 |
| Rated Speed | 1800 RPM |
| Governor type | Electronic |
| Alternator Specification | |
| Alternator Brand | Stamford |
| Alternator Model | LVI634B |
| Excitation system | Brushless, Self-excited |
| Number of phase | 3 Phase |
| Power Factor | 0.8 |
| Protection Grade | IP23 |
| Insulation Class | H |
Source: https://genset-generator-suppliers.com/675kw-844kva-diesel-generator-perkins-4006-23tag3a-3-phase.html