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- DuroMax XP15000HXT+
- Generac #8063 GP9500ETF
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 XP15000HXT+ | Generac #8063 GP9500ETF |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Tri-Fuel | Tri-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 12000 W | 9500 W |
| Starting watts | Winner: Winner: 15000 W | 12500 W |
| Noise (lower limit) | Winner: Winner: 74 dB | 0 dB |
| Weight | 237 lbs | Winner: Winner: 219 lbs |
| Run time @50% load | Winner: Winner: 12 h | 9.5 h |
| Run time @25% load | 17.9 h | 14 h |
| Fuel tank | 10.6 gal | 7.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29.5 x 28 x 26 | 27.5 x 27.1 x 27.6 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <5% % | Not available |
| Engine | ||
| Engine | 500 cc OHV 4-stroke, cast iron sleeve | OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric |
| Warranty | ||
| Warranty | 5 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 12000 W | 9500 W |
| Starting watts | 15000 W | 12500 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 | 9.5 h |
| Run time @25% load | 17.9 h | 14 h |
| Natural gas | Not available | Not available |
| Running watts | 10500 W | 7000 W |
| Starting watts | 13000 W | 9000 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 | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 11400 W | 8550 W |
| Starting watts | 14250 W | 11250 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 | 4.5 h |
| Run time @25% load | 4.1 h | 6 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 811640017156 | 696471104523 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 12000 | 9500 |
| Running Watts (Propane) | 11400 | 8550 |
| Running Watts (Natural Gas) | 10500 | 7000 |
| Starting Watts (Gasoline) | 15000 | 12500 |
| Starting Watts (Propane) | 14250 | 11250 |
| Starting Watts (Natural Gas) | 13000 | 9000 |
| Runtime @ 50% Load (Gasoline) | 12 | 9.5 |
| Runtime @ 50% Load (Propane) | 2.8 | 4.5 |
| Runtime @ 25% Load (Gasoline) | 17.9 | 14 |
| Runtime @ 25% Load (Propane) | 4.1 | 6 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 2x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | OHV 4-stroke |
| Engine Displacement | 500 | 400 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Alternator Winding Material | Copper windings | Not available |
| Engine Oil Type | 10W-30 | 10W-30 / SAE 30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17.9 | 14 |
| Runtime @ 50% Load (Gasoline) | 12 | 9.5 |
| Runtime @ 50% Load (Propane) | 2.8 | 4.5 |
| 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 | Not available | Yes |
| Starting Components | Not available | Recoil, Electric |
| Fuel Connection Components | Not available | propane hose |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, battery, and wheel kit | Oil, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | 5 | 3 |
| Commercial Warranty | 5 | Not available |
| Additional specs | ||
| Summary | The DuroMax XP15000HXT+ is a 12,000-watt tri-fuel generator built for serious backup power and job site work. Running on gasoline, propane, or natural gas, it delivers 15,000 peak watts and 12,000 running watts, enough to power multiple heavy loads simultaneously like refrigerators, air conditioners, and construction tools. The tri-fuel flexibility means users can choose the most available or cost-effective fuel source for their situation. This is a stationary workhorse, not a portable grab-and-go unit. At 237 pounds with a 29.5 x 28 x 26 inch footprint, it requires permanent placement or serious logistics to move. The included wheel kit helps, but this generator is built to stay put once deployed. | The Generac GP9500ETF is a 9,500-watt tri-fuel generator built for whole-house backup and job site power. Its ability to run on gasoline, propane, or natural gas means users gain real fuel flexibility when one source becomes scarce during extended outages. The 12,500 starting watts provide enough surge capacity to handle motor-driven loads like well pumps and air handler fans without tripping breakers. This is a stationary workhorse, not a portable unit. |
- Most PowerfulDuroMax XP15000HXT+12000W running
- QuietestDuroMax XP15000HXT+74 dB
- Longest RuntimeDuroMax XP15000HXT+12h at 50% load
Where to buy
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DuroMax XP15000HXT+
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Generac #8063 GP9500ETF
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