GenMax GM3300i vs WEN DF475T
What is the difference?
The GenMax GM3300i has 3 kW of running power, 3.3 kW peak. The WEN DF475T has 3.8 kW of running power, 4.75 kW peak.
The GenMax GM3300i runs on gasoline, the WEN DF475T is dual-fuel.
The GenMax GM3300i has a 1 gal tank, the WEN DF475T has a 4 gal tank.
The GenMax GM3300i has 120 V AC output, the WEN DF475T 120/240 V. Only 240 V output can run 240 V loads such as many well pumps, dryers and central AC.
Specs side by side
| GenMax GM3300i | WEN DF475T | |
|---|---|---|
| Running W | 3000 | 3800 |
| Peak W | 3300 | 4750 |
| Fuel | gasoline | dual-fuel |
| Tank (gal) | 1 | 4 |
| Run time @50 % (h) | — | 11 |
| Noise (dB) | — | — |
| CO shutoff | yes | — |
| Weight (lb) | 47 | — |
| Warranty (yr) | — | 2 |
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Specs as read from manufacturer pages on 2026-10-31 / 2026-10-25. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which has more running watts, GenMax GM3300i or WEN DF475T?
The WEN DF475T. More running watts: 3800 W vs 3000 W.