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Generac iQ5200 vs WEN 56477i

Generac iQ5200

Generac iQ5200

3900 W running · dual-fuel

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WEN 56477i

WEN 56477i

4000 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 56477i has 4 kW of running power, 4.8 kW peak.

The Generac iQ5200 is dual-fuel, the WEN 56477i runs on gasoline.

The Generac iQ5200 runs 9 h at half load, the WEN 56477i runs 7 h at half load. The Generac iQ5200 runs longer on a tank.

The Generac iQ5200 has a 3.2 gal tank, the WEN 56477i has a 1.9 gal tank.

Specs side by side

Generac iQ5200WEN 56477i
Running W39004000
Peak W52004800
Fueldual-fuelgasoline
Tank (gal)3.21.9
Run time @50 % (h)97
Noise (dB)—62
CO shutoffyes—
Weight (lb)111—
Warranty (yr)—3
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Specs as read from manufacturer pages on 2026-10-25 / 2026-10-27. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.

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