3 1270–1275 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 |
|---|---|---|---|---|---|
| Cummins/Onan C1250 D6 | 1270.0 kW | A (U), B (V), C (W) | — | 9190.0 kg | — |
| Cummins/Onan CP1400-6 | 1270.0 kW | 3-phase | — | 5290.0 kg | 2000.0 L |
| Cummins/Onan CS1600-6 | 1270.0 kW | 3-phase | — | 9743.0 kg | 2000.0 L |
Among 1270–1275 kW Diesel generators in this comparison, the Cummins/Onan CP1400-6 is lightest at 5290.0 kg dry weight.
Among 1270–1275 kW Diesel generators in this comparison, the Cummins/Onan CP1400-6 has the largest fuel tank at 2000.0 L.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.