3 1020–1025 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 928 | 1020.0 kW | Single | — | 2229.0 kg | — |
| Cummins/Onan CS1250-6 | 1020.0 kW | Single | — | 2210.0 kg | — |
| Cummins/Onan 1020 DFJD | 1020.0 kW | Single | — | 2229.0 kg | — |
Among 1020–1025 kW Diesel generators in this comparison, the Cummins/Onan CS1250-6 is lightest at 2210.0 kg dry weight.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.