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- Genmax GM10500XiT
- Westinghouse WGen6000DFc EFI
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 | Genmax GM10500XiT | Westinghouse WGen6000DFc EFI |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Tri-Fuel | Dual-Fuel |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 7800 W | 6000 W |
| Starting watts | Winner: Winner: 10500 W | 7500 W |
| Noise (lower limit) | 74 dB | Winner: Winner: 68 dB |
| Weight | Winner: Winner: 123.5 lbs | 139 lbs |
| Run time @50% load | Not available | Winner: Winner: 9.5 h |
| Run time @25% load | 13.5 h | 14 h |
| Fuel tank | 5.8 gal | 4.75 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 25.2 x 19.8 x 21.3 | 25 x 24 x 23 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | ≤3% % | 23 % |
| Engine | ||
| Engine | 312 cc OHV 4-stroke | 298 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 1 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 7800 W | 6000 W |
| Starting watts | 10500 W | 7500 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 | 9.5 h |
| Run time @25% load | 13.5 h | 14 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 | 5400 W |
| Starting watts | 8500 W | 6750 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 | false |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 760790248388 | 850060639029 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 7800 | 6000 |
| Running Watts (Propane) | 7000 | 5400 |
| Running Watts (Natural Gas) | 6250 | Not available |
| Starting Watts (Gasoline) | 10500 | 7500 |
| Starting Watts (Propane) | 8500 | 6750 |
| Starting Watts (Natural Gas) | 8500 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 9.5 |
| Runtime @ 25% Load (Gasoline) | 13.5 | 14 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120/240V 30A (L14-30R) 1x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 312 cc OHV 4-stroke | OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 312 | 298 |
| Cylinder Sleeve | Not available | cast iron sleeve |
| Engine Oil Type | SAE 10W/30 | SAE 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 13.5 | 14 |
| Runtime @ 50% Load (Gasoline) | Not available | 9.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Fuel Connection Components | Not available | propane hose |
| Included Accessories | Funnel, tool kit, key fob, natural gas hose with NPT adapter, propane hose, cover, neutral bonding plug, battery, and wheel kit | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | Not available | 3 |
| Commercial Warranty | Not available | 3 |
| 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 Westinghouse WGen6000DFc EFI is a dual-fuel portable generator that delivers 7,500 peak watts and 6,000 running watts on gasoline, and 6,750 peak watts and 5,400 running watts on propane. It features electronic fuel injection for easy starting, a CO sensor for safety, and is transfer switch ready, making it suitable for home backup, RVs, and job sites. |
- Most PowerfulGenmax GM10500XiT7800W running
- QuietestWestinghouse WGen6000DFc EFI68 dB
- Longest RuntimeWestinghouse WGen6000DFc EFI9.5h at 50% load
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Genmax GM10500XiT
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Westinghouse WGen6000DFc EFI
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