5 680–685 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 |
|---|---|---|---|---|---|
| MTU 12V2000 DS850 | 680.0 kW | — | — | — | — |
| MTU 2000 | 680.0 kW | — | — | — | — |
| Cummins/Onan BCC 850S-50 | 680.0 kW | 3 | — | — | 720.0 L |
| Perkins BCP 850S-50 | 680.0 kW | 3 | — | — | 720.0 L |
| FG Wilson P850-1 | 680.0 kW | 3 | — | — | 2085.0 L |
Among 680–685 kW Diesel generators in this comparison, the FG Wilson P850-1 has the largest fuel tank at 2085.0 L.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.