51 25–30 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 25.0 DEH-53R | 25.0 kW | 1 | — | 714.4 kg | — |
| Cummins/Onan 25.0 DEH-515R | 25.0 kW | 1 or 3 | — | — | — |
| Northern Lights M864 | 25.0 kW | 1 | — | 439.0 kg | — |
| Cummins/Onan C25 D6 | 25.0 kW | 1/3 | — | 574.0 kg | — |
| Kohler 25EFOZD | 25.0 kW | 1 and 3 | — | 626.0 kg | — |
| Cummins/Onan MDKAF | 25.0 kW | Single/Three | — | 440.0 kg | — |
| MQ Power DCA-25SSI | 25.0 kW | 3-phase | — | 323.3 kg | 67.0 L |
| Generac MDG25IF4 | 25.0 kW | 3 | 67.0 dBA | — | — |
| Cummins/Onan DGAC | 25.0 kW | I,3 | — | — | — |
| Kohler K26M | 25.0 kW | mono | 93.0 dBA | 601.0 kg | 100.0 L |
| Generac SD025 | 25.0 kW | Single-Phase | — | 661.0 kg | — |
| Kohler 25EFORZD | 25.0 kW | — | — | — | — |
| FG Wilson F35-1 | 25.6 kW | 3-Phase | 75.0 dBA | 710.0 kg | 145.0 L |
| Isuzu MLG 20 | 25.7 kW | 3 Phase | — | — | — |
| SDMO K20U | 25.8 kW | Three phase | 77.0 dBA | 490.0 kg | 50.0 L |
| Perkins 1103A-33 | 26.0 kW | Single | — | 412.0 kg | — |
| Perkins 1103C-33 G2 | 26.0 kW | — | — | — | — |
| SDMO J 33 | 26.0 kW | 3 | 74.9 dBA | 740.0 kg | 100.0 L |
| MQ Power DCA-45SSIU2 | 26.0 kW | single | — | — | — |
| Generac MMG25IF4 | 26.0 kW | 1 or 3 | 66.0 dBA | 1102.0 kg | 379.0 L |
| Doosan G30-SIIIA | 26.0 kW | 3 | 76.0 dBA | 250.0 kg | 15.0 L |
| FG Wilson P26-1S | 26.0 kW | Single | — | 827.0 kg | 161.0 L |
| SDMO R33 | 26.0 kW | 3 | 68.5 dBA | 1025.0 kg | 111.0 L |
| Cummins/Onan C33 D5 | 26.4 kW | 3 | — | 743.0 kg | 170.0 L |
| Kubota KJ-T300 | 26.4 kW | Single | 73.0 dBA | 710.0 kg | 60.0 L |
| Kohler K33 | 26.4 kW | 3 | 93.0 dBA | 568.0 kg | 100.0 L |
| AKSA AD27 | 27.0 kW | — | — | 600.0 kg | 100.0 L |
| MTU 3R0096 DS34 | 27.0 kW | 3 | 64.8 dBA | 736.0 kg | — |
| FG Wilson P30E1 | 27.2 kW | 3 | 67.7 dBA | 790.0 kg | 230.0 L |
| Perkins 1103C-33G3 | 27.4 kW | — | — | 412.0 kg | — |
| Kohler 28EOZ | 28.0 kW | 1 and 3 | — | 626.0 kg | — |
| Kohler 28EFOZD | 28.0 kW | 1 and 3 | — | 621.0 kg | — |
| Kohler 28EFKOZD | 28.0 kW | 1 | — | 514.0 kg | — |
| FG Wilson PH28E2S | 28.0 kW | — | 98.0 dBA | 461.0 kg | 45.0 L |
| Cummins/Onan 28DGBB | 28.0 kW | 1 or 3 | — | — | — |
| Emsa E BD XX 0035 | 28.0 kW | — | — | 964.0 kg | 101.0 L |
| Northern Lights NL944D3 | 28.0 kW | 3 | — | 600.0 kg | — |
| SDMO JM30U | 28.0 kW | 3 | 73.0 dBA | 710.0 kg | 108.0 L |
| Hipower HJW 30 M6 | 28.0 kW | 1 | 62.0 dBA | — | 110.0 L |
| Hipower HJW 30 T6 | 28.0 kW | 3 | 62.0 dBA | — | — |
| SDMO J30 | 28.0 kW | 3 | 73.0 dBA | 740.0 kg | 108.0 L |
| Knox/Knoxgen KDE-35P-60 | 28.0 kW | 3 | — | 460.0 kg | — |
| Caps CP35-TB1 | 28.0 kW | 3 | 64.0 dBA | 858.0 kg | 160.0 L |
| Aurora Generators AGi25P-E | 28.2 kW | — | 76.0 dBA | 242.0 kg | 45.0 L |
| Aurora Generators AGi28P | 28.2 kW | — | 76.0 dBA | 242.0 kg | 45.0 L |
| Perkins 404D-22 | 29.0 kW | Single,Three | — | 30.0 kg | 3.3 L |
| Magnum MMG35D | 29.0 kW | 1Ø and 3Ø | — | 996.0 kg | 250.0 L |
| Wildcat Roughneck Diesel 20KW | 29.0 kW | 1 | 72.0 dBA | 1253.0 kg | — |
| Magnum MMG35FH | 29.0 kW | — | 68.0 dBA | 996.0 kg | 401.2 L |
| Kohler 30REOZK | 29.0 kW | 3 | — | — | — |
| Kohler KDI 2504 M | 29.5 kW | — | — | 244.0 kg | — |
Among 25–30 kW Diesel generators in this comparison, the Hipower HJW 30 M6 is quietest at 62.0 dBA.
Among 25–30 kW Diesel generators in this comparison, the Perkins 404D-22 is lightest at 30.0 kg dry weight.
Among 25–30 kW Diesel generators in this comparison, the Magnum MMG35FH has the largest fuel tank at 401.2 L.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.