
Compare WEN DF1100T and DuroStar DS10000EH dual-fuel generators for home backup: higher surge power vs longer runtime and 3-year warranty.
The biggest difference is power headroom versus endurance. The WEN DF1100T delivers 8300 running watts and 11000 starting watts, giving you a little more cushion for big startup loads like well pumps, sump pumps, or a larger central AC (when paired with proper transfer equipment). The DuroStar DS10000EH comes in at 8000 running watts and 10000 starting watts, still plenty for many home backup setups, but with slightly less surge room.
Runtime is where the DuroStar stands out on paper: 10 hours at 50% load and 22 hours at 25% load, which can mean fewer refueling stops during an outage. The WEN lists 8.5 hours at 50% load, and does not provide a 25% runtime figure here, so it is harder to estimate lighter-load overnight use.
Both are dual-fuel, non-inverter open-frame generators, so expect traditional generator noise and power that is better suited to home backup and tools than sensitive electronics. If you want more starting power margin, lean WEN, if you want longer stated runtime and a 3-year warranty, lean DuroStar.
Choose the WEN DF1100T if you want the most starting-power cushion for a similar class of dual-fuel open-frame generator. With 11000 starting watts and 8300 running watts, it is a better fit when your plan includes motor-driven loads that hit hard at startup, such as a well pump, sump pump, refrigerator and freezer cycling together, or a larger HVAC blower. It can also be a practical pick for a job site where tools may start and stop frequently, because that extra surge headroom can reduce nuisance overloads. The tradeoffs are that the published runtime is shorter at 8.5 hours at 50% load, and the warranty is 2 years, so long outages may mean more refueling and slightly less long-term coverage.
Choose the DuroStar DS10000EH if your priority is stretching fuel and getting clearer expectations for lighter loads. Its 10 hours at 50% load and 22 hours at 25% load are useful numbers for real outage planning, especially if you intend to run essentials overnight at a lower draw. It is also the better fit if warranty length matters, since it includes 3 years of coverage. The tradeoffs are slightly lower peak capability at 10000 starting watts and a listed 72 dB noise level, which is typical for open-frame units but not ideal for camping or quiet neighborhoods.
For RV use and electronics-heavy setups, neither is an inverter model, so you may want to add a quality surge protector and avoid running ultra-sensitive gear directly when possible.
If your priority is handling tougher startup loads with a bit more breathing room, the WEN DF1100T is the safer bet on paper thanks to 11000 starting watts and 8300 running watts. If your priority is longer stated runtime for outage planning and a longer warranty, the DuroStar DS10000EH makes a strong case with 22 hours at 25% load, 10 hours at 50% load, and a 3-year warranty.
Both are dual-fuel, non-inverter open-frame generators, so they are best treated as practical home-backup and workhorse units rather than quiet camping generators. Pick based on whether you value extra surge capacity (WEN) or longer run-time expectations and warranty coverage (DuroStar), then size your transfer setup and fuel plan accordingly.
Last updated February 24, 2026


| Specification | DuroStar DS10000EH | WEN DF1100T |
|---|---|---|
| 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: 8300 W |
| Starting watts | 10000 W | Winner: Winner: 11000 W |
| Noise (lower limit) | Winner: Winner: 72 dB | 0 dB |
| Weight | 220 lbs | Winner: Winner: 213.8 lbs |
| Run time @50% load | Winner: Winner: 10 h | 8.5 h |
| Run time @25% load | 22 h | Not available |
| Fuel tank | 8.3 gal | 6.6 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 27.3 x 20.6 x 21.9 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240V 60 Hz |
| Voltage (DC) | 12 | 12 |
| GFCI outlets | Yes | Yes |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 12 % | Not available |
| Engine | ||
| Engine | 439 cc OHV 4-stroke, cast iron sleeve | 457 cc WEN OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 8000 W | 8300 W |
| Starting watts | 10000 W | 11000 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 | 8.5 h |
| Run time @25% load | 22 h | Not available |
| Propane | Not available | Not available |
| Running watts | 7600 W | 7500 W |
| Starting watts | 9500 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 | 4.5 h | 3 h |
| Run time @25% load | 8.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Not available |
| UPC | 811640014421 | 44459411017 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 8000 | 8300 |
| Running Watts (Propane) | 7600 | 7500 |
| Starting Watts (Gasoline) | 10000 | 11000 |
| Starting Watts (Propane) | 9500 | 9500 |
| Runtime @ 50% Load (Gasoline) | 10 | 8.5 |
| Runtime @ 50% Load (Propane) | 4.5 | 3 |
| Runtime @ 25% Load (Gasoline) | 22 | Not available |
| Runtime @ 25% Load (Propane) | 8.5 | Not available |
| AC Outlet Types | AC outlets1x 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 120V 30A (L5-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 439 cc OHV 4-stroke, cast iron sleeve | WEN OHV 4-stroke |
| Engine Displacement | 439 | 457 |
| Cylinder Sleeve | Cast iron sleeve | Not available |
| Alternator Winding Material | Copper | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 22 | Not available |
| Runtime @ 50% Load (Gasoline) | 10 | 8.5 |
| Runtime @ 50% Load (Propane) | 4.5 | 3 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | No |
| Included equipment | ||
| Starting Components | Recoil, Electric | Not available |
| Included Accessories | Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit | Oil, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | DF1100 |
| Additional specs | ||
| Summary | The DuroStar DS10000EH is an 8,000-watt dual-fuel generator built on a 439 cc OHV 4-stroke engine with cast iron sleeve construction. At 8,000 running watts, this unit can power multiple household appliances simultaneously, job site tools, or serve as extended backup during outages. The dual-fuel design means users can run gasoline or propane depending on fuel availability and storage constraints, a significant advantage during supply disruptions.
Because the DS10000EH runs at 72 dB, placement matters. At 25 feet, the noise becomes manageable for residential use; closer proximity requires hearing protection or evening restrictions. The 8.3-gallon tank delivers 22 hours at 25% load on gasoline, making extended operations feasible without constant refueling. On propane at the same load, runtime drops to 8.5 hours due to lower energy density. This runtime flexibility shapes real-world deployment: gasoline for long-term backup, propane for shorter bursts or when storage space is limited. | The WEN DF1100T is an 11,000-watt dual fuel portable generator that offers flexibility and convenience for both emergency backup and recreational use. It features an electric start, a 457cc 4-stroke OHV engine, and a variety of outlets to accommodate different power needs. |