23 35–40 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 35EFKOZD | 35.0 kW | 1 | — | 551.0 kg | — |
| Generac ED035 | 35.0 kW | — | — | — | — |
| MTU 4R0113 DS44 | 35.0 kW | 3 | 78.1 dBA | 943.0 kg | — |
| Cummins/Onan C44 D5 | 35.0 kW | 3 | — | 945.0 kg | — |
| Generac MMG45FHK | 35.0 kW | 3-phase | 68.0 dBA | 1056.0 kg | 401.2 L |
| Cummins/Onan C44D5R | 35.0 kW | Wye, 3-phase | — | 1490.0 kg | — |
| John Deere BCJD 44-50 | 35.0 kW | 3 | — | — | 160.0 L |
| Daewoo DB33 | 35.0 kW | — | — | — | — |
| FG Wilson P44E1 | 35.2 kW | 3 | 64.0 dBA | 810.0 kg | 176.0 L |
| Baudouin B44 | 35.2 kW | 3 | — | 596.0 kg | 100.0 L |
| John Deere J44 | 35.2 kW | — | 76.0 dBA | 680.0 kg | 100.0 L |
| Cummins/Onan BCC 44-50 | 35.2 kW | 3 | — | — | 232.0 L |
| Atlas Copco QES 40 | 36.0 kW | 3 | 66.0 dBA | 896.0 kg | 116.0 L |
| Simson-Maxwell SDW20 | 36.0 kW | 3 | — | — | — |
| Kohler KDI 2504TM-40 | 36.1 kW | — | — | — | — |
| Kohler KDI 2504 TM | 36.4 kW | — | — | 300.0 kg | — |
| Kohler KDI 2504TM-40 EU | 36.9 kW | — | — | — | — |
| Airman SDG45LX-5B2N | 37.0 kW | Three phase | 57.0 dBA | 1577.0 kg | — |
| Global Power Products GPP40-WE | 37.0 kW | — | — | — | — |
| Cummins/Onan DYJ-515R | 37.5 kW | 3 | — | — | — |
| WhisperWatt DCA45SSIU3 | 37.8 kW | 3-phase | 65.0 dBA | 1133.98 kg | — |
| Kohler J40UM | 39.0 kW | mono-bi | 80.0 dBA | 694.0 kg | 100.0 L |
| Kohler KDI 2504 TCR | 39.7 kW | — | — | 267.0 kg | — |
Among 35–40 kW Diesel generators in this comparison, the Airman SDG45LX-5B2N is quietest at 57.0 dBA.
Among 35–40 kW Diesel generators in this comparison, the Kohler KDI 2504 TCR is lightest at 267.0 kg dry weight.
Among 35–40 kW Diesel generators in this comparison, the Generac MMG45FHK 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.