Firman W03383 vs WEN DF452iX
What is the difference?
The Firman W03383 has 3.3 kW of running power, 3.65 kW peak. The WEN DF452iX has 3.5 kW of running power, 4.5 kW peak.
The Firman W03383 runs on gasoline, the WEN DF452iX is dual-fuel.
The Firman W03383 has a 1.8 gal tank, the WEN DF452iX has a 2.2 gal tank.
Both have a 3-year warranty.
Both have 120 V AC output.
Specs side by side
| Firman W03383 | WEN DF452iX | |
|---|---|---|
| Running W | 3300 | 3500 |
| Peak W | 3650 | 4500 |
| Fuel | gasoline | dual-fuel |
| Tank (gal) | 1.8 | 2.2 |
| Run time @50 % (h) | — | 8.5 |
| Noise (dB) | — | 58 |
| CO shutoff | — | yes |
| Weight (lb) | 901 | — |
| Warranty (yr) | 3 | 3 |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-26. 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, Firman W03383 or WEN DF452iX?
The WEN DF452iX. More running watts: 3500 W vs 3300 W.