Compare Generators Side-by-Side
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- DuroMax XP11000iH
- Generac #7153 GP3300i
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 XP11000iH | Generac #7153 GP3300i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 9000 W | 2500 W |
| Starting watts | Winner: Winner: 11000 W | 3300 W |
| Noise (lower limit) | Winner: Winner: 61 dB | 0 dB |
| Weight | 216 lbs | Winner: Winner: 59.5 lbs |
| Run time @50% load | Winner: Winner: 9 h | 4.5 h |
| Run time @25% load | 18 h | 7 h |
| Fuel tank | 7.1 gal | 1.06 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 26.2 x 25 x 29.6 | 22.2 x 13.3 x 18.4 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | 48-58 | 5 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | <3% % |
| Engine | ||
| Engine | 459 cc OHV 4-stroke | Generac OHV 149 cc 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil |
| Warranty | ||
| Warranty | 5 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 9000 W | 2500 W |
| Starting watts | 11000 W | 3300 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 | 9 h | 4.5 h |
| Run time @25% load | 18 h | 7 h |
| Propane | Not available | Not available |
| Running watts | 8550 W | Not available |
| Starting watts | 10450 W | 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 | 4 h | Not available |
| Run time @25% load | 8 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Not available |
| UPC | 811640017033 | 696471104011 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 9000 | 2500 |
| Running Watts (Propane) | 8550 | Not available |
| Starting Watts (Gasoline) | 11000 | 3300 |
| Starting Watts (Propane) | 10450 | Not available |
| Runtime @ 50% Load (Gasoline) | 9 | 4.5 |
| Runtime @ 50% Load (Propane) | 4 | Not available |
| Runtime @ 25% Load (Gasoline) | 18 | 7 |
| Runtime @ 25% Load (Propane) | 8 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 459 cc OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 459 | 149 |
| Engine Oil Type | 10W-30 | 10W-30 / SAE 30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 18 | 7 |
| Runtime @ 50% Load (Gasoline) | 9 | 4.5 |
| Runtime @ 50% Load (Propane) | 4 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Recoil |
| Included Accessories | Funnel, tool kit, key fob, battery charger, propane hose, battery charging cables, and battery | Not available |
| Warranty & identification | ||
| Commercial Warranty | 5 | Not available |
| Part Number | Not available | 71533 |
| Additional specs | ||
| Summary | The DuroMax XP11000iH is a 9,000-watt dual-fuel inverter generator built for home backup and jobsite power. Because it runs on either gasoline or propane, users can adapt to fuel availability rather than being locked into one source. The 11,000-watt peak output handles large appliances and power tools simultaneously, while the inverter technology keeps total harmonic distortion at just 3 percent. This matters for laptops, televisions, and other sensitive gear that can suffer damage from dirty power. At 61 decibels, the noise level sits between a normal conversation and a vacuum cleaner, making it tolerable in residential settings without constant ear protection. | The Generac GP3300i is a 2,500-watt inverter generator built for users who need portable, clean power without the weight penalty. At 59.5 lbs, it moves easily between campsites, tailgates, and home backup scenarios. The 3,300-watt starting capacity handles motor-driven equipment, while sub-3% THD protects laptops and phones from voltage spikes. |
- Most PowerfulDuroMax XP11000iH9000W running
- QuietestDuroMax XP11000iH61 dB
- Longest RuntimeDuroMax XP11000iH9h at 50% load
Where to buy
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DuroMax XP11000iH
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Generac #7153 GP3300i
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