Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- DuroMax XP11000iH
- Genmax GM10500XiT
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 | Genmax GM10500XiT |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Tri-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 9000 W | 7800 W |
| Starting watts | Winner: Winner: 11000 W | 10500 W |
| Noise (lower limit) | Winner: Winner: 61 dB | 74 dB |
| Weight | 216 lbs | Winner: Winner: 123.5 lbs |
| Run time @50% load | Winner: Winner: 9 h | Not available |
| Run time @25% load | 18 h | 13.5 h |
| Fuel tank | 7.1 gal | 5.8 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 26.2 x 25 x 29.6 | 25.2 x 19.8 x 21.3 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | 48-58 | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | ≤3% % |
| Engine | ||
| Engine | 459 cc OHV 4-stroke | 312 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 5 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 9000 W | 7800 W |
| Starting watts | 11000 W | 10500 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 | Not available |
| Run time @25% load | 18 h | 13.5 h |
| Propane | Not available | Not available |
| Running watts | 8550 W | 7000 W |
| Starting watts | 10450 W | 8500 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 | 4 h | Not available |
| Run time @25% load | 8 h | Not available |
| Natural gas | Not available | Not available |
| Running watts | Not available | 6250 W |
| Starting watts | Not available | 8500 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 |
| 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 | Floating |
| UPC | 811640017033 | 760790248388 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 9000 | 7800 |
| Running Watts (Propane) | 8550 | 7000 |
| Running Watts (Natural Gas) | Not available | 6250 |
| Starting Watts (Gasoline) | 11000 | 10500 |
| Starting Watts (Propane) | 10450 | 8500 |
| Starting Watts (Natural Gas) | Not available | 8500 |
| Runtime @ 50% Load (Gasoline) | 9 | Not available |
| Runtime @ 50% Load (Propane) | 4 | Not available |
| Runtime @ 25% Load (Gasoline) | 18 | 13.5 |
| 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 120/240V 30A (L14-30R) 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 459 cc OHV 4-stroke | 312 cc OHV 4-stroke |
| Engine Displacement | 459 | 312 |
| Engine Oil Type | 10W-30 | SAE 10W/30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 18 | 13.5 |
| Runtime @ 50% Load (Gasoline) | 9 | Not available |
| Runtime @ 50% Load (Propane) | 4 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Not available |
| Included Accessories | Funnel, tool kit, key fob, battery charger, propane hose, battery charging cables, and battery | Funnel, tool kit, key fob, natural gas hose with NPT adapter, propane hose, cover, neutral bonding plug, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 5 | Not available |
| 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 Genmax GM10500XiT is a 7,800-watt tri-fuel inverter generator delivering whole-house backup power and jobsite capability. Its tri-fuel design runs on gasoline, propane, or natural gas, eliminating fuel sourcing constraints during emergencies. The inverter technology maintains THD at 3% or below, making it safe for laptops, medical devices, and smart TVs. |
- 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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Genmax GM10500XiT
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