Firman T04073 vs Generac iQ5200
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 T04073 | Generac iQ5200 | |
|---|---|---|
| Running W | 4000 | 3900 |
| Peak W | 5000 | 5200 |
| Fuel | tri-fuel | dual-fuel |
| Tank (gal) | 5 | 3.2 |
| Run time @50 % (h) | 14 | 9 |
| Noise (dB) | — | — |
| CO shutoff | yes | yes |
| 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.
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Compare other models → · All Firman models · All Generac models