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Generac iQ5200 vs WEN 56400iX

Generac iQ5200

Generac iQ5200

3900 W running · dual-fuel

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WEN 56400iX

WEN 56400iX

3200 W running · gasoline

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What is the difference?

The Generac iQ5200 has 3.9 kW of running power, 5.2 kW peak. The WEN 56400iX has 3.2 kW of running power, 4 kW peak.

The Generac iQ5200 is dual-fuel, the WEN 56400iX runs on gasoline.

The Generac iQ5200 runs 9 h at half load, the WEN 56400iX runs 8.5 h at half load. The Generac iQ5200 runs longer on a tank.

The Generac iQ5200 has a 3.2 gal tank, the WEN 56400iX has a 2.2 gal tank.

Specs side by side

Generac iQ5200WEN 56400iX
Running W39003200
Peak W52004000
Fueldual-fuelgasoline
Tank (gal)3.22.2
Run time @50 % (h)98.5
Noise (dB)—57
CO shutoffyesyes
Weight (lb)111—
Warranty (yr)—3
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Specs as read from manufacturer pages on 2026-10-25 / 2026-10-31. 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, Generac iQ5200 or WEN 56400iX?

The Generac iQ5200. More running watts: 3900 W vs 3200 W.

More comparisons

Compare other models → · All Generac models · All WEN models