DuroMax XP11000iH
A dual-fuel inverter generator rated at 9,000 running and 11,000 starting watts, with a 7.1-gallon tank and up to 18 hours of runtime at 25% load. It shuts itself off if carbon monoxide builds up and has 120/240V output for a transfer switch. DuroMax rates it at 61 dB(A).
- Running watts
- 9,000 W
- Starting / surge watts
- 11,000 W
- Fuel
- gasoline, propane
- Best for
- Home backup through a transfer switch, including bigger loads, with clean power for electronics.
- Not for
- Buyers in California, as it is not CARB compliant.
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Specifications
| Running watts | 9,000 W |
|---|---|
| Starting / surge watts | 11,000 W |
| Fuel | gasoline, propane |
| Inverter (clean power) | Yes |
| Runtime at 25% load | 18 h |
|---|---|
| Runtime at 50% load | 9 h |
| Fuel tank | 7.1 gal |
| Outlets | 4x 120V 5-20R, 120/240V L14-30R, 120/240V 14-50R |
|---|---|
| Transfer-switch ready | Yes |
| Noise | 61 dB(A) |
|---|
| CO safety shutoff | Yes |
|---|---|
| CARB compliant | No |
| EPA compliant | Yes |
| Standard warranty | 5 years |
Checked 29 October 2026. Sources: duromaxpower.com.