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- DuroMax XP15000HX+
- Powerhorse s15000d
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Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | DuroMax XP15000HX+ | Powerhorse s15000d |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 12000 W | Winner: Winner: 12000 W |
| Starting watts | Winner: Winner: 15000 W | Winner: Winner: 15000 W |
| Noise (lower limit) | Winner: Winner: 74 dB | 97 dB |
| Weight | Winner: Winner: 237 lbs | 348 lbs |
| Run time @50% load | Winner: Winner: 12 h | 10 h |
| Run time @25% load | 17.9 h | Not available |
| Fuel tank | 8.3 gal | 10.6 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29.5 x 28 x 26 | 34.3 x 23.2 x 32.9 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240V 60 Hz |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <5% % | <5% % |
| Engine | ||
| Engine | 500 cc OHV 4-stroke, cast iron sleeve | 713 cc OHV V-Twin |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Electric |
| Warranty | ||
| Warranty | 5 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 12000 W | Not available |
| Starting watts | 15000 W | 15000 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 12 h | Not available |
| Run time @25% load | 17.9 h | Not available |
| Propane | Not available | Not available |
| Running watts | 11400 W | 10800 W |
| Starting watts | 14250 W | 13500 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 2.8 h | Not available |
| Run time @25% load | 4.1 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Not available |
| UPC | 811640017163 | 840321764027 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 12000 | Not available |
| Running Watts (Propane) | 11400 | 10800 |
| Starting Watts (Gasoline) | 15000 | 15000 |
| Starting Watts (Propane) | 14250 | 13500 |
| Runtime @ 50% Load (Gasoline) | 12 | Not available |
| Runtime @ 50% Load (Propane) | 2.8 | Not available |
| Runtime @ 25% Load (Gasoline) | 17.9 | Not available |
| Runtime @ 25% Load (Propane) | 4.1 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 2x 120/240V 50A (14-50R) | Not available |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 500 cc OHV 4-stroke | OHV V-Twin |
| Engine Displacement | 500 | 713 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Alternator Winding Material | Copper windings | Not available |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17.9 | Not available |
| Runtime @ 50% Load (Gasoline) | 12 | Not available |
| Runtime @ 50% Load (Propane) | 2.8 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Mobility Components | Yes | Yes |
| Starting Components | Not available | battery charging cables, battery |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit | Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit |
| Warranty & identification | ||
| Part Number | Not available | 6075687 |
| Additional specs | ||
| Summary | The DuroMax XP15000HX+ is a 12,000-watt dual-fuel generator built for users who need sustained power across multiple heavy loads. On gasoline, it runs 12 hours at half load and 17.9 hours at quarter load. On propane, runtime drops to 2.8 hours at half load, making gasoline the practical choice for extended operation. The 15,000-watt peak output handles motor startup surges for air compressors, well pumps, and air conditioning units. This is a stationary workhorse, not a portable unit. At 237 pounds with a 29.5 x 28 x 26 inch footprint, it demands a permanent location or trailer. Homeowners use it for whole-house backup. Contractors power job sites. RV owners tap its dedicated 50-amp outlet for extended trips. | The Powerhorse s15000d is a dual-fuel portable generator delivering 15,000 surge watts and 12,000 rated watts, suitable for emergency home backup, EV charging, and demanding worksites. |
- Most PowerfulDuroMax XP15000HX+12000W running
- QuietestDuroMax XP15000HX+74 dB
- Longest RuntimeDuroMax XP15000HX+12h at 50% load
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DuroMax XP15000HX+
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Powerhorse s15000d
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