6 640–645 kw diesel generator models side by side — power, phase, sound level, weight and fuel tank capacity, compiled from manufacturer specification sheets.
| Model | Standby | Phase | Sound | Weight | Fuel tank |
|---|---|---|---|---|---|
| Caterpillar 3412C | 640.0 kW | — | — | 2458.0 kg | — |
| Kohler KD800-F | 640.0 kW | 3 | 86.0 dBA | 5380.0 kg | 2175.0 L |
| FG Wilson P800P1 | 640.0 kW | 3 | — | 6259.0 kg | 1494.0 L |
| SDMO X 800 K | 640.0 kW | 3 | — | 5216.0 kg | — |
| MTU 12V 2000 G26F | 640.0 kW | three-phase | — | 5800.0 kg | — |
| Kohler KD27V12 | 644.0 kW | 3 | 77.0 dBA | 27.0 kg | 500.0 L |
Among 640–645 kW Diesel generators in this comparison, the Kohler KD27V12 is quietest at 77.0 dBA.
Among 640–645 kW Diesel generators in this comparison, the Kohler KD27V12 is lightest at 27.0 kg dry weight.
Among 640–645 kW Diesel generators in this comparison, the Kohler KD800-F has the largest fuel tank at 2175.0 L.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.