50 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 |
|---|---|---|---|---|---|
| Kohler 25EFOZD | 25.0 kW | — | — | — | — |
| Kohler 25EFORZD | 25.0 kW | — | — | — | — |
| Generac ED025 | 25.0 kW | — | — | — | — |
| Generac MDG25IF4 | 25.0 kW | — | 67.0 dBA | 896.0 kg | 234.0 L |
| Kohler K26M | 25.0 kW | mono | 93.0 dBA | 601.0 kg | 100.0 L |
| Cummins/Onan DKAE | 25.0 kW | 3-phase | — | — | 38.1 L |
| Cummins/Onan DKAF | 25.0 kW | 3-phase | — | — | 38.1 L |
| Cummins/Onan DGAC | 25.0 kW | I,3 | — | — | — |
| Cummins/Onan MDKAF 25 | 25.0 kW | — | — | — | — |
| Simson-Maxwell SIMMAX | 25.0 kW | 3 | — | — | — |
| MTU 4R 0080 DS33 | 25.0 kW | 3 | — | — | — |
| Cummins/Onan 20 DKAE | 25.0 kW | 1 or 3 Phase | — | — | — |
| Cummins/Onan 25.0 DL6 | 25.0 kW | — | — | — | — |
| Cummins/Onan 25DEC | 25.0 kW | — | — | — | — |
| Olympian D25P4 | 25.0 kW | — | — | — | — |
| Stadco CP25 | 25.0 kW | 1 | 78.0 dBA | — | — |
| Olympian D25LH1 | 25.0 kW | — | — | — | — |
| Olympian D25P1 | 25.0 kW | — | — | — | — |
| Olympian D25P2 | 25.0 kW | — | — | — | — |
| John Deere BCJD 32-50 | 25.6 kW | 3 | — | — | 100.0 L |
| Atlas Copco QES 30 | 26.0 kW | 3 | 67.0 dBA | 876.0 kg | 116.0 L |
| John Deere HJW 30 M6 | 26.0 kW | L-N | L-L | 62.0 dBA | 547.0 kg | 120.0 L |
| Mitsubishi BCM 33-50 | 26.0 kW | 3 | — | — | 100.0 L |
| Mitsubishi BCM 33-50 E3A | 26.0 kW | 3 | — | — | 100.0 L |
| Daewoo PO34Ti | 26.0 kW | — | — | — | — |
| Caterpillar LEHE0530-02 | 26.4 kW | 3 | — | 838.0 kg | 161.0 L |
| Kohler K33 | 26.4 kW | 3 | 93.0 dBA | 568.0 kg | 100.0 L |
| Kubota SQ-3300 | 26.4 kW | 3 | 64.0 dBA | 710.0 kg | 60.0 L |
| Emsa E IV ST 0033 | 26.4 kW | — | — | 920.0 kg | — |
| MTU 3R0096 DS34 | 27.0 kW | 3 | 64.8 dBA | 736.0 kg | — |
| AKSA AD27 | 27.0 kW | — | — | 600.0 kg | 100.0 L |
| Cummins/Onan 27.5MDKBT | 27.5 kW | 1 | — | 565.0 kg | — |
| Isuzu ML27.5INKD | 27.5 kW | — | — | — | — |
| Kohler 28EFKOZD | 28.0 kW | 1 | — | 514.0 kg | — |
| Kohler 28EFOZD | 28.0 kW | — | — | — | — |
| Kohler 28EOZ | 28.0 kW | — | — | — | — |
| FG Wilson PH28E2S | 28.0 kW | 3 | 98.0 dBA | 461.1 kg | 45.0 L |
| AKSA APD-ULP28 | 28.0 kW | 3PH | — | — | — |
| Cummins/Onan 28QSA6 | 28.0 kW | — | — | — | — |
| Knox/Knoxgen KDE-35P-60 | 28.0 kW | 3 | — | 460.0 kg | — |
| Kohler KDI 2504TM-30 | 28.2 kW | — | — | — | — |
| aurora AGi25P-E | 28.2 kW | — | 76.0 dBA | 242.0 kg | 45.0 L |
| aurora AGi28P | 28.2 kW | — | 76.0 dBA | 242.0 kg | 45.0 L |
| Hatz 2M41 | 28.3 kW | — | — | 294.0 kg | — |
| Hipower HRIW-45 T4F | 28.6 kW | — | 65.0 dBA | 1089.0 kg | 312.2 L |
| Magnum MMG35FH | 29.0 kW | — | 68.0 dBA | 996.0 kg | 401.2 L |
| Atlas Copco QES 35 | 29.0 kW | — | 69.0 dBA | 876.0 kg | 116.0 L |
| Simson-Maxwell SDW24 T6-T4 | 29.0 kW | 3 | — | 538.7 kg | — |
| Kohler KDI 1903 TCR | 29.3 kW | — | — | 233.0 kg | — |
| Kohler KDI 2504 M | 29.5 kW | — | — | 244.0 kg | — |
Among 25–30 kW Diesel generators in this comparison, the John Deere HJW 30 M6 is quietest at 62.0 dBA.
Among 25–30 kW Diesel generators in this comparison, the Kohler KDI 1903 TCR is lightest at 233.0 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.