WEN DF402iX
A dual-fuel open-frame inverter generator rated at 3,500 running and 4,000 starting watts, with a 1.85-gallon tank. It shuts itself off if carbon monoxide builds up, has an RV-ready TT-30R outlet and can run in parallel with a second unit.
- Running watts
- 3,500 W
- Starting / surge watts
- 4,000 W
- Fuel
- gasoline, propane
- Best for
- RV trips and home backup for a fridge, lights and electronics, with clean power.
- Not for
- Whole-home backup or 240V appliances.
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Specifications
| Running watts | 3,500 W |
|---|---|
| Starting / surge watts | 4,000 W |
| Fuel | gasoline, propane |
| Inverter (clean power) | Yes |
| Parallel capable | Yes |
| Fuel tank | 1.85 gal |
|---|
| Outlets | 120V TT-30R (RV), 120V 5-20R, USB |
|---|
| CO safety shutoff | Yes |
|---|---|
| Standard warranty | 2 years |
Checked 29 October 2026. Sources: wenproducts.com.