22 400–405 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 |
|---|---|---|---|---|---|
| Kohler 400REOZJ | 400.0 kW | 3 | — | — | — |
| Kohler 400REOZJD | 400.0 kW | 3 | — | — | — |
| Perkins 2506A-E15TAG1 | 400.0 kW | — | — | 1633.0 kg | — |
| Perkins 2506C-E15TAG1 | 400.0 kW | — | — | — | — |
| Perkins 2206A-E13TAG6 | 400.0 kW | — | — | — | — |
| MTU 6R0225 DS400 | 400.0 kW | 3 | 89.2 dBA | 4700.0 kg | — |
| Cummins/Onan DFCE | 400.0 kW | 3 | — | 3289.0 kg | — |
| Perkins 2206D-E13TAG3 | 400.0 kW | — | — | — | — |
| Volvo Penta TAD1353GE | 400.0 kW | — | — | — | — |
| Cummins/Onan C550 D5 | 400.0 kW | A (U), B (V), C (W) | — | 1553.0 kg | — |
| Kohler 450REOZD | 400.0 kW | 3 | — | — | — |
| Emsa E BD XX 0500 | 400.0 kW | — | — | 3590.0 kg | 1145.0 L |
| AKSA AD400 | 400.0 kW | 3 | 65.0 dBA | 2200.0 kg | 100.0 L |
| FG Wilson 2506 | 400.0 kW | Three-phase | 70.0 dBA | 3676.0 kg | 888.0 L |
| Generac MD400 | 400.0 kW | Three-Phase | — | 3016.0 kg | — |
| Cummins/Onan C400D6F | 400.0 kW | 3 | 85.0 dBA | 3263.0 kg | — |
| AKSA APD-ULV400 | 400.0 kW | 3 | 76.0 dBA | — | — |
| SDMO GS400UC | 400.0 kW | 3 | 73.0 dBA | 3040.0 kg | — |
| Perkins 2806C-E16TAG1 | 403.0 kW | — | — | 1712.0 kg | — |
| Simson-Maxwell SVW350 T6-T3 | 403.0 kW | 3 | — | 3265.5 kg | — |
| Kohler 5M4024 | 404.0 kW | 3 | — | — | — |
| Simson-Maxwell SVW400 T6-T3 | 404.0 kW | 3 | — | 3405.2 kg | 2535.6 L |
Among 400–405 kW Diesel generators in this comparison, the AKSA AD400 is quietest at 65.0 dBA.
Among 400–405 kW Diesel generators in this comparison, the Cummins/Onan C550 D5 is lightest at 1553.0 kg dry weight.
Among 400–405 kW Diesel generators in this comparison, the Simson-Maxwell SVW400 T6-T3 has the largest fuel tank at 2535.6 L.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.