
Comparing the Westinghouse WGen10500DFc and DuroMax XP10000EH dual-fuel generators. See which high-wattage portable generator fits your power needs best.
The Westinghouse WGen10500DFc delivers significantly more power than the DuroMax XP10000EH, offering 10,500 running watts and 13,500 starting watts compared to the DuroMax's 8,000 running watts and 10,000 starting watts. That's roughly 30% more continuous power, which makes a real difference when you're running multiple large appliances or powering demanding tools. Both are conventional (non-inverter) dual-fuel generators backed by a 3-year warranty, so the core platform and fuel flexibility are similar.
The DuroMax XP10000EH fights back with better efficiency and a slightly quieter operation. It runs for 22 hours at 25% load compared to the Westinghouse's 19 hours, and it produces 72 dB of noise versus 74 dB. It also weighs 10 pounds less at 220 lbs, though neither generator is easy to move around without wheels. The DuroMax's lower power output means it sips fuel more conservatively, which can matter during extended outages when fuel supply is uncertain.
Both generators score closely in overall ratings, with the Westinghouse earning a 5.90 and the DuroMax a 5.79. Buyers who need maximum wattage for whole-home backup or heavy job site use will lean toward the Westinghouse, while those who want solid power with longer runtime and slightly lower noise may find the DuroMax a better fit.
Choose the Westinghouse WGen10500DFc if you need to power a larger home during an outage or run heavy equipment on a job site. With 10,500 running watts, it can comfortably handle a central air conditioning unit alongside a refrigerator, sump pump, lights, and other essentials simultaneously. If you're connecting to a transfer switch and want to keep most of your home's circuits running without constantly juggling loads, the extra 2,500 running watts over the DuroMax gives you meaningful headroom. The 13,500 starting watts also help when motor-driven appliances like well pumps or AC compressors kick on with their initial surge. The tradeoff is a slightly shorter runtime (19 hours at 25% load), a bit more noise, and an extra 10 pounds of weight.
Choose the DuroMax XP10000EH if your power needs are more moderate or if runtime per tank matters more than peak output. At 8,000 running watts, it still handles most home backup scenarios comfortably, including running a smaller central AC unit or a window unit alongside other household loads. The 22-hour runtime at quarter load means fewer refueling trips during long outages, and the 72 dB noise level, while still loud, is a small but noticeable improvement over the Westinghouse. It's also a solid pick for RV use at campgrounds or for powering a food truck or vendor setup where you don't need the absolute maximum wattage but appreciate the longer endurance.
Both generators offer dual-fuel capability, letting you switch between gasoline and propane. This is a genuine advantage during emergencies when one fuel type may be easier to find. Neither is an inverter generator, so avoid plugging sensitive electronics directly into either without a surge protector or separate inverter device.
If your priority is raw power and you want to keep a larger home running with minimal load management, the Westinghouse WGen10500DFc is the stronger choice with its 10,500 running watts. If you value longer runtime per tank, slightly quieter operation, and your power demands stay under 8,000 watts, the DuroMax XP10000EH delivers everything you need while being a bit easier on fuel.
Both generators share the same warranty length, dual-fuel flexibility, and conventional generator design, so the decision really comes down to how much power you actually need. Overbuying wattage means burning more fuel than necessary, while underbuying means frustrating load management during critical moments. Assess your must-run appliances, add up their wattage requirements, and let that number guide your pick.
Last updated August 1, 2026


| Specification | DuroMax XP10000EH | Westinghouse WGen10500DFc |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | No |
| Running watts | 8000 W | Winner: Winner: 10500 W |
| Starting watts | 10000 W | Winner: Winner: 13500 W |
| Noise (lower limit) | Winner: Winner: 72 dB | 74 dB |
| Weight | Winner: Winner: 220 lbs | 230 lbs |
| Run time @50% load | Winner: Winner: 10 h | 9.5 h |
| Run time @25% load | 22 h | 19 h |
| Fuel tank | 8.3 gal | 9.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 28.6 x 29.3 x 26.8 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240 |
| Voltage (DC) | 12 | 5 |
| GFCI outlets | Yes | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 12 % | 23 % |
| Engine | ||
| Engine | DuroMax OHV 4-stroke, cast iron sleeve | 500 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 8000 W | 10500 W |
| Starting watts | 10000 W | 13500 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 | 10 h | 9.5 h |
| Run time @25% load | 22 h | 19 h |
| Propane | Not available | Not available |
| Running watts | 6800 W | 9500 W |
| Starting watts | 8500 W | 12500 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 | 4.5 h | Not available |
| Run time @25% load | 8.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 811640013790 | 850060639807 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 8000 | 10500 |
| Running Watts (Propane) | 6800 | 9500 |
| Starting Watts (Gasoline) | 10000 | 13500 |
| Starting Watts (Propane) | 8500 | 12500 |
| Runtime @ 50% Load (Gasoline) | 10 | 9.5 |
| Runtime @ 50% Load (Propane) | 4.5 | Not available |
| Runtime @ 25% Load (Gasoline) | 22 | 19 |
| Runtime @ 25% Load (Propane) | 8.5 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 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); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 500 cc OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 439 | 500 |
| Cylinder Sleeve | cast iron sleeve | Cast iron sleeve |
| Alternator Winding Material | Copper windings | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 22 | 19 |
| Runtime @ 50% Load (Gasoline) | 10 | 9.5 |
| Runtime @ 50% Load (Propane) | 4.5 | Not available |
| Controls & display | ||
| Display Type | Voltmeter | 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 | No | Yes |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Starting Components | Recoil and Electric | Not available |
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Additional specs | ||
| Summary | The DuroMax XP10000EH is an 8,000-watt dual-fuel generator built around a 439cc OHV engine that runs on either gasoline or propane. This wattage class sits at the threshold between residential backup and light commercial work. On gasoline, it delivers 8,000 running watts and 10,000 peak watts, enough to power a central air conditioning unit, electric water heater, and multiple appliances simultaneously. On propane, the running output drops to 6,800 watts, a trade-off that extends runtime significantly. The dual-fuel capability means users can switch between fuel sources based on availability, cost, or storage constraints. A homeowner facing a week-long outage can run on propane for 22 hours at light load before refueling. A contractor on a job site can rely on gasoline for maximum power output. The 3-year commercial warranty reflects the unit's intended durability across both residential and light-duty commercial applications. | The Westinghouse WGen10500DFc is a dual fuel portable generator that offers 13,500 peak watts and 10,500 running watts on gasoline, and 12,500 peak watts and 9,500 running watts on propane. It features a 500cc 4-Stroke OHV engine, push-button electric start with remote key fob, and is transfer switch ready, making it ideal for home backup power. |