FIRMAN W05381 6650W Inverter
A gas inverter generator rated at 5,300 running and 6,650 starting watts. It shuts itself off if carbon monoxide builds up, has 120/240V output for a transfer switch and can run in parallel with a second unit. FIRMAN rates it at 67 dB(A).
- Running watts
- 5,300 W
- Starting / surge watts
- 6,650 W
- Fuel
- gasoline
- Best for
- Home backup through a transfer switch, including bigger loads, with clean power for electronics.
- Not for
- Indoor or garage use. Like every fuel-burning generator it must run outdoors, away from windows.
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Specifications
| Running watts | 5,300 W |
|---|---|
| Starting / surge watts | 6,650 W |
| Fuel | gasoline |
| Inverter (clean power) | Yes |
| Parallel capable | Yes |
| Noise | 67 dB(A) |
|---|
| CO safety shutoff | Yes |
|---|
Checked 29 October 2026. Sources: firmanpowerequipment.com.