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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- DuroMax XP13000EH
- Generac #8251 GP2500i
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 XP13000EH | Generac #8251 GP2500i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 10500 W | 2200 W |
| Starting watts | Winner: Winner: 13000 W | 2500 W |
| Noise (lower limit) | Winner: Winner: 74 dB | 0 dB |
| Weight | 234 lbs | Winner: Winner: 48 lbs |
| Run time @50% load | Winner: Winner: 8 h | 4.5 h |
| Run time @25% load | 17 h | 8 h |
| Fuel tank | 8.3 gal | 1 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 19.7 x 11.4 x 17.9 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120 |
| Voltage (DC) | 12 | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 12 % | Not available |
| Engine | ||
| Engine | 500 cc DuroMax OHV 4-stroke, cast iron sleeve | 98 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 10500 W | 2200 W |
| Starting watts | 13000 W | 2500 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 | 8 h | 4.5 h |
| Run time @25% load | 17 h | 8 h |
| Propane | Not available | Not available |
| Running watts | 9975 W | Not available |
| Starting watts | Not available | Not available |
| 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 | 3 h | Not available |
| Run time @25% load | Not available | 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 | 811640015725 | 696471003946 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 10500 | 2200 |
| Running Watts (Propane) | 9975 | Not available |
| Starting Watts (Gasoline) | 13000 | 2500 |
| Runtime @ 50% Load (Gasoline) | 8 | 4.5 |
| Runtime @ 50% Load (Propane) | 3 | Not available |
| Runtime @ 25% Load (Gasoline) | 17 | 8 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | 98 cc OHV 4-stroke |
| Engine Displacement | 500 | 98 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Alternator Winding Material | Copper | Not available |
| Engine Oil Type | 10W-30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17 | 8 |
| Runtime @ 50% Load (Gasoline) | 8 | 4.5 |
| Runtime @ 50% Load (Propane) | 3 | Not available |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Starting Components | Not available | Recoil |
| Included Accessories | Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit | Oil, funnel, tool kit, and battery charging cables |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Part Number | Not available | 82512 |
| Additional specs | ||
| Summary | The DuroMax XP13000EH is a 10,500-watt dual-fuel generator built to handle serious backup power demands. Running on gasoline or propane, it delivers enough sustained output to power multiple household appliances simultaneously, including refrigerators, water heaters, and air conditioning units during extended outages. The 13,000-watt peak capacity means it can start high-inrush devices like compressors and pumps without strain. This wattage class sits at the threshold between portable and semi-stationary power, making it suitable for homeowners who need whole-home backup rather than just essential circuits. | The Generac GP2500i is a 2200-watt inverter generator built for portable backup power and recreational use. At 48 pounds, it moves easily between campsites, job sites, and emergency situations. The inverter technology means laptops, phones, and sensitive tools run safely because the power output stays stable. This unit runs on gasoline and delivers 2500 starting watts, so it can handle the initial surge when motors kick on. |
- Most PowerfulDuroMax XP13000EH10500W running
- QuietestDuroMax XP13000EH74 dB
- Longest RuntimeDuroMax XP13000EH8h at 50% load
Where to buy
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DuroMax XP13000EH
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Generac #8251 GP2500i
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