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Firman W03383 vs Generac iQ5200

Firman W03383

Firman W03383

3300 W running · gasoline

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Generac iQ5200

Generac iQ5200

3900 W running · dual-fuel

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What is the difference?

The Firman W03383 has 3.3 kW of running power, 3.65 kW peak. The Generac iQ5200 has 3.9 kW of running power, 5.2 kW peak.

The Firman W03383 runs on gasoline, the Generac iQ5200 is dual-fuel.

The Firman W03383 has a 1.8 gal tank, the Generac iQ5200 has a 3.2 gal tank.

The Firman W03383 weighs 901 lb, the Generac iQ5200 weighs 111 lb. The Generac iQ5200 is easier to carry.

Specs side by side

Firman W03383Generac iQ5200
Running W33003900
Peak W36505200
Fuelgasolinedual-fuel
Tank (gal)1.83.2
Run time @50 % (h)—9
Noise (dB)——
CO shutoff—yes
Weight (lb)901111
Warranty (yr)3—
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Specs as read from manufacturer pages on 2026-10-26 / 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, Firman W03383 or Generac iQ5200?

The Generac iQ5200. More running watts: 3900 W vs 3300 W.

Which is lighter, Firman W03383 or Generac iQ5200?

The Generac iQ5200. Lighter: 111 lb vs 901 lb.

More comparisons

Compare other models → · All Firman models · All Generac models