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WestinghouseModel WGen9500DFc EFI

Westinghouse 9,500W Dual-Fuel Generator Review

The Westinghouse WGen9500DFc EFI is a dual fuel portable generator that offers 12,500 peak watts and 9,500 running watts on gasoline, and 11,200 peak watts and 8,500 running watts on propane. It features electronic fuel injection, a CO sensor, and is transfer switch ready, making it ideal for home backup power.

At a Glance

  • Running Watts
    9500W
  • Starting Watts
    12500W
  • Fuel Type
    Dual-Fuel
  • Runtime (25%)
    12h
  • Noise Level
    74 dB
  • Weight
    221 lbs

Where to buy

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    Is this the right generator for you?

    Here's the quick tradeoff view — what this model does well, and where it may not fit.

    Pros

    • Dual fuel operation (gasoline and propane)
    • 12,500 peak watts and 9,500 running watts on gasoline
    • 11,200 peak watts and 8,500 running watts on propane
    • Electronic fuel injection
    • CO sensor with automatic shutdown
    • Transfer switch ready
    • Push-button electric start with remote key fob
    • Up to 12 hours run time on a 6.6-gallon fuel tank
    • VFT Data Center displaying volt output, frequency, and lifetime hours
    • Heavy-duty never-flat wheels and handle for portability

    Cons

    • relatively heavy weight of 221 pounds
    • noise level of 74 decibels
    Best use cases
    Home backup

    Summary

    The Westinghouse WGen9500DFc EFI is a dual-fuel generator rated at 9,500 running watts with 12,500 starting watts. That combination points to a unit built to handle sustained electrical demand while also providing extra headroom for the higher surge required when certain equipment first powers on.

    Because it is dual-fuel, the WGen9500DFc EFI gives you flexibility in how you run it, which can matter when you are planning for longer outages or varying fuel availability while still keeping the same 9,500 running watts and 12,500 starting watts on tap.

    Power & Runtime

    With 9,500 running watts and 12,500 starting watts, this generator is set up to support steady loads and also accommodate brief startup spikes without immediately overloading. In practical use, that starting-watt capacity is what helps when devices demand extra power at the moment they kick on, while the running-watt rating is what you can lean on for continuous operation.

    Noise is listed at 74 dBA, which gives a concrete sense of its operating loudness when it is running. For runtime, it is rated for 12 hours at 25 percent load, offering a clear expectation for extended operation at lighter demand. Total harmonic distortion is listed at 23 percent, which describes the waveform cleanliness of the output and is a key number to consider when you are thinking about how the power quality aligns with what you plan to run.

    Portability

    The WGen9500DFc EFI weighs 221 lbs, so moving it is a meaningful part of ownership and something you will plan around when positioning it for use. Its physical size is listed as 27.3 x 20.6 x 22.5 inches, which helps you gauge where it can be stored and how much space it will occupy when set up for operation.

    Features

    Starting is handled through a mix of recoil, electric, and remote options, giving you multiple ways to get the generator running depending on what is most convenient in the moment. A fuel gauge is included, which supports quick at-a-glance checks so you can monitor fuel status during operation without guesswork.

    On the safety and usability side, it includes a spark arrestor, covered outlets, and GFCI outlets, combining protection for the outlet area with added electrical safety through GFCI protection. Automatic voltage regulation is also built in, which is designed to help keep output steadier as loads change. Compliance is listed as CARB, EPA, and ANSI/PGMA G300-2023, and the generator is backed by a 3-year warranty.

    Recommended Audiences

    • Buyers wanting fuel flexibility with dual or tri-fuel capability
    • Homeowners needing whole-house or jobsite backup power
    • Users who value push-button or remote start convenience
    • DIY enthusiasts and hobbyists needing reliable portable power
    Updated: Feb 24, 2026

    Score Breakdown

    5.9
    / 10
    Rank #32 of 125 in Conventional (5,000-10,000W)
    Value (25%)
    Quality (25%)
    Practical (18%)
    Features (12%)
    Features (2.0 pts)
    • Dual-Fuel+1
    • Remote Start+0.4
    • Electric Start+0.6
    Percentile Rankings (within peer group)
    • Watts/$
    • Surge/$
    • Runtime/$
    • Warranty
    • THD (lower=better)
    • Build Quality
    • Noise (lower=better)
    • Portability
    • Outlet Variety
    • Feature Points

    What this generator can power

    At a Glance

    • Continuous:9,500W(recommended usable: 7,600W)
    • Surge:12,500W
    • Output:120/240V
    • Inverter:No

    Big-item compatibility

    Refrigerator
    Yes
    Sump Pump (1/3 HP)
    Yes
    Well Pump (1 HP, 240V)
    Yes
    Furnace Blower
    Yes
    Central AC (3 Ton, 240V)
    Yes
    Window AC (10,000 BTU)
    Yes
    Electric Water Heater (240V)
    Yes
    Electric Range/Oven (240V)
    Yes
    Air Compressor (1 HP)
    Yes

    Example setups

    Essentials

    • Lights + Wi-Fi + Charging
    • Refrigerator
    • Furnace Blower
    • Sump Pump (1/3 HP)

    Est. running: 1,800W

    Peak surge (single motor): 2,000W

    Avoid starting multiple motor loads at the same time.

    Essentials + Comfort

    • Lights + Wi-Fi + Charging
    • Refrigerator
    • TV + Entertainment System
    • Microwave
    • Window AC (10,000 BTU)
    • Space Heater
    • Furnace Blower

    Est. running: 5,000W

    Peak surge (single motor): 2,000W

    Avoid starting multiple motor loads at the same time.

    Whole-Home (Limited)

    • Lights + Wi-Fi + Charging
    • Refrigerator
    • Furnace Blower
    • Sump Pump (1/3 HP)
    • Well Pump (1 HP, 240V)
    • Central AC (3 Ton, 240V)

    Est. running: 7,300W

    Peak surge (single motor): 8,000W

    Avoid starting multiple motor loads at the same time.

    These are estimates using typical wattage assumptions. Real appliances vary. Startup surges can be 2–6× the running wattage for motor-driven loads. 240V loads require a 120/240V generator and proper connection. Use a transfer switch or interlock kit; never backfeed a panel.

    Westinghouse
    ReliabilityAExcellent

    About Westinghouse

    Westinghouse is renowned for its robust and reliable power generation equipment, offering a wide range of generators suitable for home and commercial use.

    Founded1886
    HQMooresville, North Carolina, USA
    Website (opens in a new tab)
    Support1-855-944-3571
    Support / Manuals (opens in a new tab)
    View all Westinghouse generators

    Warranty

    Coverage: 3 years

    Power by fuel

    FuelRunningStartingRuntime @50%Runtime @25%
    Gasoline9500W12500W10h
    Propane8500W11200W8.7h

    Full Specifications

    Power

    Running Watts9,500 watts
    Starting Watts12,500 watts
    Starting Watts (Gasoline)12,500 W
    Starting Watts (Propane)11,200 W
    Running Watts (Gasoline)9,500 W
    Running Watts (Propane)8,500 W

    Engine

    Engine457 cc OHV 4-stroke, cast iron sleeve.
    Engine Type457 cc OHV 4-stroke, cast iron sleeve
    Engine Displacement457 cc
    Engine OilSAE 10W-30
    Engine Oil Capacity1.16 Qt
    Spark Plug97108 (F7TC)
    Cylinder Sleevecast iron sleeve
    Spark ArrestorYes
    Emissions ComplianceCARB, EPA, ANSI/PGMA G300-2023

    Electrical

    Voltage (AC)120/240
    Voltage (DC)5
    PhaseSingle
    AC Frequency60 hz
    GFCI OutletsYes
    NeutralYes
    USB OutletsUSB-A
    DC OutletsUSB-A
    AC Outlets2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
    Total Harmonic Distortion (THD)23 %

    Dimensions

    Dimensions27.3 x 20.6 x 22.5 inches
    Weight221 lbs

    Other

    Automatic Low Oil ShutdownYes
    Emissions ComplianceCARB, EPA, ANSI/PGMA G300-2023
    Automatic Voltage RegulationYes
    Automatic Voltage RegulatorYes
    Carbon Monoxide SensorYes
    Commercial Warranty3 years
    Covered OutletsYes
    Electric StartYes
    Fuel GaugeYes
    Fuel Tank Capacity6.6 gallons
    Included AccessoriesOil, funnel, tool kit, key fob, battery charger, propane hose, battery, wheel kit
    IndicatorsNo
    InverterNo
    Noise Level74 dBA
    Overload ProtectionLow oil and overload protection
    Parallel CapableNo
    Recoil StartYes
    Remote StartYes
    RV ReadyNo
    Starter TypeRecoil, Electric, Remote
    Starting SystemRecoil, Electric, Remote
    UPC850,060,639,036
    Warranty3 years
    WheelsYes

    Core

    Fuel TypeDual-Fuel

    Runtime

    Runtime @ 25%12 hours
    Runtime @ 50% Load (Gasoline)10 hours
    Runtime @ 50% Load (Propane)8.7 hours

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