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Champion 5500-Watt Dual Fuel Inverter vs Westinghouse iGen5000DFc EFI

Champion 5500-Watt Dual Fuel Inverter

4000 W running · dual-fuel

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Westinghouse iGen5000DFc EFI

3900 W running · dual-fuel

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What is the difference?

The Champion 5500-Watt Dual Fuel Inverter has 4 kW of running power, 5.5 kW peak. The Westinghouse iGen5000DFc EFI has 3.9 kW of running power, 5 kW peak.

Both are dual-fuel.

The Champion 5500-Watt Dual Fuel Inverter has a 2.9 gal tank, the Westinghouse iGen5000DFc EFI has a 3.2 gal tank.

The Champion 5500-Watt Dual Fuel Inverter is rated at 70 dB, the Westinghouse iGen5000DFc EFI is rated at 52 dB. The Westinghouse iGen5000DFc EFI is quieter.

The Champion 5500-Watt Dual Fuel Inverter weighs 85 lb, the Westinghouse iGen5000DFc EFI weighs 111 lb. The Champion 5500-Watt Dual Fuel Inverter is easier to carry.

Both have a 3-year warranty.

Both have 120 V AC output.

The Champion 5500-Watt Dual Fuel Inverter can add extra batteries.

Specs side by side

	Champion 5500-Watt Dual Fuel Inverter	Westinghouse iGen5000DFc EFI
Running W	4000	3900
Peak W	5500	5000
Fuel	dual-fuel	dual-fuel
Tank (gal)	2.9	3.2
Run time @50 % (h)	—	—
Noise (dB)	70	52
CO shutoff	yes	yes
Weight (lb)	85	111
Warranty (yr)	3	3
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Specs as read from manufacturer pages on 2026-10-26 / 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 is lighter, Champion 5500-Watt Dual Fuel Inverter or Westinghouse iGen5000DFc EFI?

The Champion 5500-Watt Dual Fuel Inverter. Lighter: 85 lb vs 111 lb.

Which is quieter, Champion 5500-Watt Dual Fuel Inverter or Westinghouse iGen5000DFc EFI?

The Westinghouse iGen5000DFc EFI. Quieter: 52 dB vs 70 dB.

More comparisons

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