Blackout Sizer Calculator
EN
Home›Inverter & Portable Generators›Compare

Firman T04073 vs Generac iQ5200

Firman T04073

Firman T04073

4000 W running · tri-fuel

Check on Amazon →
Generac iQ5200

Generac iQ5200

3900 W running · dual-fuel

Check on Amazon →

What is the difference?

The Firman T04073 has 4 kW of running power, 5 kW peak. The Generac iQ5200 has 3.9 kW of running power, 5.2 kW peak.

The Firman T04073 is tri-fuel, the Generac iQ5200 is dual-fuel.

The Firman T04073 runs 14 h at half load, the Generac iQ5200 runs 9 h at half load. The Firman T04073 runs longer on a tank.

The Firman T04073 has a 5 gal tank, the Generac iQ5200 has a 3.2 gal tank.

Specs side by side

Firman T04073Generac iQ5200
Running W40003900
Peak W50005200
Fueltri-fueldual-fuel
Tank (gal)53.2
Run time @50 % (h)149
Noise (dB)——
CO shutoffyesyes
Weight (lb)—111
Warranty (yr)——
Check on Amazon →Check on Amazon →

Specs as read from manufacturer pages on 2026-10-30 / 2026-10-25. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.

More comparisons

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