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| Specification | DuroMax XP9500iH | Genmax GM10500iETC |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Tri-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | Yes |
| Running watts | 7600 W | Winner: Winner: 8500 W |
| Starting watts | 9500 W | Winner: Winner: 10500 W |
| Noise (lower limit) | Winner: Winner: 61 dB | 64 dB |
| Weight | Winner: Winner: 216 lbs | 244.7 lbs |
| Run time @50% load | Winner: Winner: 11 h | Not available |
| Run time @25% load | 21 h | 14 h |
| Fuel tank | 7.1 gal | 6.9 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 26.2 x 25 x 29.6 | 30.9 x 22.6 x 29.3 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | ≤3% % |
| Engine | ||
| Engine | 459 cc OHV 4-stroke, cast iron sleeve. | 458 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 | Not available | 8500 W |
| Starting watts | 9500 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 | 11 h | Not available |
| Run time @25% load | 21 h | 14 h |
| Propane | Not available | Not available |
| Running watts | 7200 W | 8000 W |
| Starting watts | 9025 W | 9500 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 | 5 h | Not available |
| Run time @25% load | 9.5 h | Not available |
| Natural gas | Not available | Not available |
| Running watts | Not available | 6800 W |
| Starting watts | Not available | 8400 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 | CARB, EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Floating |
| UPC | 811640017026 | 742332650842 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | Not available | 8500 |
| Running Watts (Propane) | 7200 | 8000 |
| Running Watts (Natural Gas) | Not available | 6800 |
| Starting Watts (Gasoline) | 9500 | 10500 |
| Starting Watts (Propane) | 9025 | 9500 |
| Starting Watts (Natural Gas) | Not available | 8400 |
| Runtime @ 50% Load (Gasoline) | 11 | Not available |
| Runtime @ 50% Load (Propane) | 5 | Not available |
| Runtime @ 25% Load (Gasoline) | 21 | 14 |
| Runtime @ 25% Load (Propane) | 9.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 2x 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, cast iron sleeve. | 458 cc OHV 4-stroke |
| Engine Displacement | 459 | 458 |
| Cylinder Sleeve | cast_iron_sleeve | Not available |
| Alternator Winding Material | Copper | Not available |
| Engine Oil Type | 10W-30 | SAE 10W/30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 21 | 14 |
| Runtime @ 50% Load (Gasoline) | 11 | Not available |
| Runtime @ 50% Load (Propane) | 5 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric, Remote |
| Included Accessories | Funnel, tool kit, key fob, battery charger, propane hose, and battery | Funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, RV adapter, cover, neutral bonding plug, and battery |
| Warranty & identification | ||
| Residential Warranty | Not available | 1 |
| Commercial Warranty | 5 | 1 |
| Additional specs | ||
| Summary | The DuroMax XP9500iH is a 7,600-watt dual-fuel inverter generator built for whole-home backup and job-site power. Running on either gasoline or propane, it delivers 9,500 starting watts to handle motor inrush demands from air conditioners, well pumps, and power tools. The inverter produces clean 3% THD power, meaning laptops, televisions, and medical equipment run safely without risk of voltage spikes. This is a stationary or semi-portable unit. At 216 pounds, it requires wheels or multiple people to move, making it suited for permanent installation or fixed-location backup rather than frequent relocation.
The fuel flexibility matters in extended outages. Gasoline runs 11 hours at half load before refueling, while propane stretches to 5 hours at the same draw. At quarter load, gasoline delivers 21 hours of runtime, propane 9.5 hours. For homeowners choosing between fuel types, gasoline offers longer intervals between refills, propane offers cleaner storage and no fuel degradation over months. | The Genmax GM10500iETC is an 8500-watt tri-fuel inverter generator that runs on gasoline, propane, or natural gas. This wattage handles mid-to-large loads like air conditioning units, power tools, and multiple household appliances simultaneously. The tri-fuel flexibility means users can switch fuels based on availability and cost, a significant advantage for both emergency backup and remote work sites. |
