21 0–5 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 and | 1.0 kW | — | — | — | — |
| Volvo Penta S | 1.0 kW | — | — | — | — |
| Kohler 1.4BEOR | 1.4 kW | — | — | — | — |
| Kohler KD15-225 | 2.5 kW | — | — | — | — |
| Cummins/Onan 2.5DJA-51R | 2.5 kW | Single | — | — | — |
| Cummins/Onan 2.5DJA-52R | 2.5 kW | Single | — | — | — |
| Cummins/Onan 3.0DJA | 3.0 kW | Single | — | — | — |
| Cummins/Onan 3DSL-2R/ | 3.0 kW | 1 | — | — | — |
| Cummins/Onan 3DSL-3CR1 | 3.0 kW | 1 | — | — | — |
| Cummins/Onan 3DJA-1R | 3.0 kW | 1 | — | — | — |
| Cummins/Onan 3.0 RDJA | 3.0 kW | Single | — | 254.0 kg | 44.0 L |
| Cummins/Onan 4.0 DKC | 3.5 kW | 3 phase | — | — | — |
| Cummins/Onan 3.5 DKC | 3.5 kW | 3 phase | — | — | — |
| Fischer Panda Panda PMS 4200 FCB | 3.7 kW | — | — | — | — |
| Kohler 4EFOZ | 4.0 kW | — | — | — | — |
| Cummins/Onan 4.0DJA-FJ | 4.0 kW | — | — | — | — |
| Cummins/Onan DKC | 4.0 kW | Single | — | — | — |
| Kohler KD15-350 | 4.1 kW | — | — | — | — |
| Kohler KDW 702 | 4.4 kW | — | — | 66.0 kg | — |
| Cummins/Onan DNAB | 4.5 kW | — | — | — | — |
| Mitsubishi L2 | 4.7 kW | — | — | 73.0 kg | — |
Among 0–5 kW Diesel generators in this comparison, the Kohler KDW 702 is lightest at 66.0 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.