DuroMax XP13750HX
A dual-fuel portable generator rated at 11,000 running and 13,750 starting watts, with a 9.3-gallon tank and up to 15.3 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 74 dB(A).
- Running watts
- 11,000 W
- Starting / surge watts
- 13,750 W
- Fuel
- gasoline, propane
- Best for
- Heavy home backup through a transfer switch, including 240V loads like a well pump.
- Not for
- Quiet campgrounds and RV parks, since it is an open-frame, non-inverter design. Carrying by hand: it weighs 238 lb. Buyers in California, as it is not CARB compliant.
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Specifications
| Running watts | 11,000 W |
|---|---|
| Starting / surge watts | 13,750 W |
| Fuel | gasoline, propane |
| Inverter (clean power) | No |
| Runtime at 25% load | 15.3 h |
|---|---|
| Runtime at 50% load | 11 h |
| Fuel tank | 9.3 gal |
| Outlets | 4x 120V 5-20R, 120/240V L14-30R, 120/240V 14-50R |
|---|---|
| Transfer-switch ready | Yes |
| Noise | 74 dB(A) |
|---|---|
| Weight | 238 lb |
| Length | 28 in |
| Width | 21.75 in |
| Height | 23.75 in |
| CO safety shutoff | Yes |
|---|---|
| CARB compliant | No |
| EPA compliant | Yes |
| Standard warranty | 5 years |
Checked 29 October 2026. Sources: duromaxpower.com.