75 15–20 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 15.0MDJF-3CR | 15.0 kW | 3 | — | — | — |
| Cummins/Onan C15 D6 | 15.0 kW | 1/3 | — | 369.0 kg | 75.0 L |
| Kohler 15EOZD | 15.0 kW | 1 | 67.0 dBA | 338.0 kg | — |
| Kohler 15EKOZD | 15.0 kW | 1 and 3 | — | 395.0 kg | — |
| Kohler 15ROY | 15.0 kW | 1 | — | 395.0 kg | — |
| Cummins/Onan 15.0 RDJC | 15.0 kW | 3 | — | 426.0 kg | — |
| Cummins/Onan RDJC | 15.0 kW | — | — | — | — |
| Cummins/Onan MDJF | 15.0 kW | 1-phase | — | 865.0 kg | — |
| Generac RD015 | 15.0 kW | 1Ø, 3Ø | 65.0 dBA | 693.0 kg | 127.0 L |
| Kohler 15REOZD | 15.0 kW | Single | 71.0 dBA | — | 152.0 L |
| Generac MTT15 | 15.0 kW | — | — | — | — |
| SDMO Pacific | 15.0 kW | Single-phase | 86.0 dBA | 400.0 kg | 50.0 L |
| Doosan G20-SIIIA | 15.0 kW | 3 | 75.0 dBA | 180.0 kg | 15.0 L |
| Mitsubishi MLT 5150 | 15.0 kW | single | — | 977.0 kg | 212.0 L |
| Isuzu MLT 5200 | 15.0 kW | single | — | 999.0 kg | 212.0 L |
| Lister Petter LPWS4 | 15.0 kW | — | — | 180.0 kg | — |
| Generac SD015 | 15.0 kW | Three-Phase | — | 934.0 kg | — |
| WhisperPower Piccolo 18 | 15.0 kW | 1 | 57.0 dBA | 230.0 kg | — |
| Perkins FPE 15 M | 15.0 kW | Three phase | 70.0 dBA | 617.0 kg | 473.0 L |
| Cummins/Onan DSKAB | 15.0 kW | — | — | 490.0 kg | — |
| Wildcat Renegade Diesel 15KW | 15.3 kW | 3 | 72.0 dBA | 455.0 kg | — |
| Wildcat Power Gen Freedom Diesel 15KW | 15.3 kW | 1 | 72.0 dBA | 455.0 kg | — |
| MQ Power DCA25USI4CAN | 15.8 kW | — | — | — | — |
| Northern Lights M844DW3 | 16.0 kW | 1 | — | 430.0 kg | — |
| Perkins 403D-11 | 16.0 kW | — | — | 129.2 kg | 680.0 L |
| Kohler 16EKOZD | 16.0 kW | 1 | — | 363.0 kg | — |
| Northern Lights NL844 | 16.0 kW | single | — | 439.0 kg | — |
| SDMO T 20 HK | 16.0 kW | 3 | 78.4 dBA | 386.0 kg | 50.0 L |
| Northern Lights M844L | 16.0 kW | 1 Phase Std./3 Phase Opt. | — | 426.0 kg | — |
| Northern Lights ML844L | 16.0 kW | 1 Phase Std./3 Phase Opt. | — | 436.0 kg | — |
| Northern Lights M20C | 16.0 kW | 1 Phase Std./3 Phase Opt. | — | 403.0 kg | — |
| Emsa E BD XX 0020 | 16.0 kW | — | — | 801.0 kg | 82.0 L |
| Caterpillar DE22E3 | 16.0 kW | 3 | — | 447.0 kg | 66.0 L |
| SDMO TM16UC | 16.0 kW | 3 | 75.0 dBA | 452.0 kg | 18.0 L |
| SDMO T16UC | 16.0 kW | 3 | 75.0 dBA | 427.0 kg | 18.0 L |
| Isuzu HPPI-20 | 16.0 kW | 1 | — | — | — |
| Lister Petter HSL 24 | 16.2 kW | single-phase and three-phase | 64.0 dBA | 518.0 kg | 66.0 L |
| MQ Power DCA15SPX3 | 16.5 kW | — | — | — | — |
| FG Wilson P16.5E2S | 16.5 kW | Single Phase | 58.2 dBA | 469.0 kg | 45.0 L |
| FG Wilson P16 | 16.5 kW | 3 | — | — | — |
| Kohler 16.5EFORZD | 16.5 kW | — | — | — | — |
| Kohler 16.5EFORD | 16.5 kW | — | — | — | — |
| Baudouin CP21-TB1 | 16.8 kW | — | 63.0 dBA | 824.0 kg | 160.0 L |
| Kohler 17EFOZD | 17.0 kW | 1 | — | 375.0 kg | — |
| Kohler 17EFKOZD | 17.0 kW | 3 | — | 422.0 kg | — |
| Cummins/Onan C20 D5R | 17.0 kW | A (U), B (V), C (W) | 66.0 dBA | 838.0 kg | — |
| Genmac HSD21 | 17.0 kW | single | 70.0 dBA | 577.0 kg | 23.0 L |
| Kohler 17.5EFKOZD | 17.5 kW | 1 | — | 476.0 kg | — |
| Cummins/Onan RDJF | 17.5 kW | — | — | — | — |
| Cummins/Onan 17.5RDJF-3CR | 17.5 kW | 1 | — | 507.0 kg | — |
| FG Wilson PH17.5E2S | 17.5 kW | — | 66.9 dBA | 374.0 kg | 45.0 L |
| Yanmar HYW-20 M6 | 17.5 kW | 1 | — | — | — |
| Kohler 17.5EFOZD | 17.5 kW | — | — | — | — |
| SDMO T 22 K | 17.6 kW | 3 | 71.0 dBA | 560.0 kg | 100.0 L |
| FG Wilson P22E2 | 17.6 kW | 3 Phase | 89.0 dBA | 728.0 kg | 45.0 L |
| FG Wilson PH22E2 | 17.6 kW | — | 96.0 dBA | 374.0 kg | 45.0 L |
| Kubota J 310 | 17.6 kW | Single | 77.5 dBA | 380.0 kg | 79.0 L |
| FG Wilson L22E1 | 17.6 kW | — | — | 519.0 kg | 45.0 L |
| Pt. Berkat Manunggal Jaya BMGS.020LSP5 | 17.6 kW | 3 | 96.0 dBA | 400.0 kg | — |
| Lister Petter LLD 200 | 17.9 kW | 1 or 3 | — | 417.0 kg | 66.0 L |
| Caterpillar D18-4 | 18.0 kW | — | — | — | — |
| Perkins 404A-22G1 | 18.0 kW | — | — | 242.0 kg | — |
| Kohler 18EFKOZD | 18.0 kW | 1 | — | 422.0 kg | — |
| Westquip WQ17T4 | 18.0 kW | — | — | 477.0 kg | — |
| SDMO R22 | 18.0 kW | 3 | 61.0 dBA | 835.0 kg | — |
| Generac MLT4150MV | 18.1 kW | 1 | 71.0 dBA | 914.0 kg | 216.0 L |
| Perkins 404C-22 | 18.2 kW | — | — | 242.0 kg | — |
| Kohler KDI 1903 M | 18.4 kW | — | — | 210.0 kg | 50.0 L |
| Mitsubishi MLG 15 | 18.4 kW | 3 Phase | — | — | — |
| Lister Petter LPWST4 | 18.9 kW | — | — | 186.0 kg | — |
| Kohler K20U | 19.0 kW | 3 | 77.0 dBA | 490.0 kg | 50.0 L |
| Kohler K17 | 19.0 kW | mono | 71.0 dBA | 530.0 kg | 50.0 L |
| Simson-Maxwell SKW20 T6-T4 | 19.0 kW | 1 | — | 389.6 kg | 158.2 L |
| Kubota j324 | 19.2 kW | 3/4,3/4 | 82.0 dBA | 380.0 kg | 79.0 L |
| Generac RD024 | 19.2 kW | 1Ø,3Ø | 65.0 dBA | 783.0 kg | 257.4 L |
Among 15–20 kW Diesel generators in this comparison, the WhisperPower Piccolo 18 is quietest at 57.0 dBA.
Among 15–20 kW Diesel generators in this comparison, the Perkins 403D-11 is lightest at 129.2 kg dry weight.
Among 15–20 kW Diesel generators in this comparison, the Perkins 403D-11 has the largest fuel tank at 680.0 L.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.