7 650–655 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 C27 ACERT | 650.0 kW | — | — | — | — |
| Caterpillar SR4B | 650.0 kW | 3-phase | 72.0 dBA | 15926.0 kg | 4730.0 L |
| AKSA AD650 | 650.0 kW | 3 | 65.0 dBA | 2200.0 kg | 100.0 L |
| SDMO XS 650 UC | 650.0 kW | Three Phase | 79.0 dBA | 11466.0 kg | 1000.0 L |
| Cummins/Onan DQPAB | 650.0 kW | A (U), B (V), C (W) | — | 5449.0 kg | — |
| SDMO EXEL 1 X 650 UC | 650.0 kW | Three phase | — | — | — |
| SDMO X650UC | 650.0 kW | 3 | 78.0 dBA | 5216.0 kg | 20.0 L |
Among 650–655 kW Diesel generators in this comparison, the AKSA AD650 is quietest at 65.0 dBA.
Among 650–655 kW Diesel generators in this comparison, the AKSA AD650 is lightest at 2200.0 kg dry weight.
Among 650–655 kW Diesel generators in this comparison, the Caterpillar SR4B has the largest fuel tank at 4730.0 L.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.