FIRMAN W03386 4125W Inverter
A gas inverter generator rated at 3,300 running and 4,125 starting watts, with up to 9 hours of runtime at 25% load.
- Running watts
- 3,300 W
- Starting / surge watts
- 4,125 W
- Fuel
- gasoline
- Best for
- RV trips and home backup for a fridge, lights and electronics, with clean power.
- Not for
- Whole-home backup or 240V appliances.
Paid link: we may earn a commission if you buy through it, at no extra cost to you.
Specifications
| Running watts | 3,300 W |
|---|---|
| Starting / surge watts | 4,125 W |
| Fuel | gasoline |
| Inverter (clean power) | Yes |
| Runtime at 25% load | 9 h |
|---|
Checked 29 October 2026. Sources: firmanpowerequipment.com.