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| Specification | Genmax GM10500XiT | Powermate PM9400E |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Tri-Fuel | Gasoline |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 7800 W | 7500 W |
| Starting watts | Winner: Winner: 10500 W | 9400 W |
| Noise (lower limit) | Winner: Winner: 74 dB | 0 dB |
| Weight | Winner: Winner: 123.5 lbs | 188 lbs |
| Run time @50% load | Not available | Winner: Winner: 10 h |
| Run time @25% load | 13.5 h | 13 h |
| Fuel tank | 5.8 gal | 8 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 25.2 x 19.8 x 21.3 | 31 x 27 x 26.4 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | ≤3% % | Not available |
| Engine | ||
| Engine | 312 cc OHV 4-stroke | 420 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric |
| Warranty | ||
| Warranty | 1 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 7800 W | 7500 W |
| Starting watts | 10500 W | 9400 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 | 10 h |
| Run time @25% load | 13.5 h | 13 h |
| Natural gas | Not available | Not available |
| Running watts | 6250 W | Not available |
| Starting watts | 8500 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 | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 7000 W | Not available |
| Starting watts | 8500 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 | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | true |
| UPC | 760790248388 | 696471077827 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 7800 | 7500 |
| Running Watts (Propane) | 7000 | Not available |
| Running Watts (Natural Gas) | 6250 | Not available |
| Starting Watts (Gasoline) | 10500 | 9400 |
| Starting Watts (Propane) | 8500 | Not available |
| Starting Watts (Natural Gas) | 8500 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 10 |
| Runtime @ 25% Load (Gasoline) | 13.5 | 13 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120/240V 30A (L14-30R) 1x 120/240V 50A (14-50R) | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 312 cc OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 312 | 420 |
| Engine Oil Type | SAE 10W/30 | 10W-30 / SAE 30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 13.5 | 13 |
| Runtime @ 50% Load (Gasoline) | Not available | 10 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Not available | Oil, battery charger, battery, and wheel kit |
| Included Accessories | Funnel, tool kit, key fob, natural gas hose with NPT adapter, propane hose, cover, neutral bonding plug, battery, and wheel kit | Oil, battery charger, battery, and wheel kit |
| Additional specs | ||
| Summary | 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. | The Powermate PM9400E is a portable generator offering 9,400 starting watts and 7,500 running watts, equipped with a Generac 420cc OHV engine and an 8-gallon fuel tank, providing up to 13 hours of runtime at 25% load. |