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PowerhorseModel 11050
Discontinued
Suggested replacement: Powerhorse s10500id

Powerhorse 8,400W Gas Generator Review

The Powerhorse 11050 is a portable generator delivering 11,050 surge watts and 8,400 rated watts, featuring a 457cc engine, electric start, and a 6.6-gallon fuel tank.

At a Glance

  • Running Watts
    8400W
  • Starting Watts
    11050W
  • Fuel Type
    Gasoline
  • Runtime (50%)
    8.5h
  • Noise Level
    78 dB
  • Weight
    260 lbs

Where to buy

Prices can change. We update these automatically.

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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

    • 457cc engine with durable cast iron cylinder sleeve
    • Automatic voltage regulator with voltmeter
    • Pushbutton electric start
    • Control panel displays run time, voltage, and frequency
    • Wheel kit with flat-free tires and folding handles

    Cons

    • Heavy weight of 260 lbs
    • No RV outlet available
    Best use cases
    Home backup

    Summary

    The Powerhorse 11050 generator is a robust and reliable option designed for users who require substantial power output for various applications. With a starting wattage of 11,050 watts and a running wattage of 8,400 watts, this generator is ideal for emergency backup power, outdoor events, and job site use. Its gasoline fuel type allows for quick refueling, making it a convenient choice for those who need power on demand.

    This generator is particularly well-suited for powering larger appliances and tools, thanks to its high wattage capabilities. Whether you are looking to keep your home running during a power outage or require a dependable power source for recreational activities, the Powerhorse 11050 delivers consistent performance. Its weight and dimensions indicate a sturdy build, ensuring durability while still being manageable for transport.

    Power & Runtime

    The Powerhorse 11050 operates on gasoline, a common and accessible fuel type that enables users to quickly refuel and resume operations. With a starting wattage of 11,050 watts, this generator can handle demanding electrical loads, making it capable of powering multiple devices simultaneously. The running wattage of 8,400 watts ensures that users can rely on sustained power for extended periods.

    In terms of noise level, the generator operates at 78 decibels, which is relatively standard for portable generators in this wattage range. This level of noise may be noticeable in residential areas, so users should consider this when planning to use the generator. The runtime is impressive, especially at a 50% load, where it can run for approximately 8.5 hours on a full 6.6-gallon fuel tank. This provides ample time for users to complete tasks without frequent refueling interruptions.

    Starting mechanisms are straightforward with this model, as it features a recoil start system. While this may require a bit of effort compared to electric start options, it is a reliable method that has been used successfully in many generators. Overall, the Powerhorse 11050 offers solid performance in power output and runtime, making it a dependable choice for various applications.

    Outlets

    The Powerhorse 11050 generator is equipped with a variety of outlets to accommodate different power needs. Although specific outlet types and quantities are not detailed in the data provided, it is important to note that this generator does not come RV-ready, which may limit its use for recreational vehicle owners. Additionally, the generator lacks transfer switch capability, meaning users will need to consider alternative methods for connecting the generator to their home’s electrical system during outages.

    While the absence of detailed outlet specifications may raise questions regarding compatibility with various devices, users can expect standard outlet options typically found in generators of this size. It is advisable for potential buyers to assess their specific power requirements and ensure that the available outlets meet their needs.

    Portability

    Weighing in at 260 pounds, the Powerhorse 11050 generator is relatively heavy, which may affect its portability for some users. However, its dimensions of 31.7 x 21.7 x 24.2 inches suggest a compact design that is manageable for transport. The generator's frame design is likely robust, providing stability during operation while also facilitating easier movement.

    For enhanced mobility, the generator is expected to feature handles and possibly wheels, though specific details on these features are not provided. Users should consider the weight and the design elements when planning to transport this generator to job sites, campsites, or during power outages.

    Features

    The control panel of the Powerhorse 11050 is designed for ease of use, allowing users to monitor and manage their power output effectively. Although specific details about the control panel layout and display features are not included, one can expect standard gauges for monitoring voltage and wattage levels.

    Safety features are critical in any generator, and while the specifics are not mentioned, users should anticipate standard safety mechanisms such as low-oil shutdown and overload protection. These features ensure that the generator operates efficiently and reduces the risk of damage during use.

    Included accessories may vary, but it is common for generators in this category to come with basic tools or manuals for setup and operation. Users are encouraged to check with the retailer for any included items that may enhance their experience with the generator.

    Recommended Audiences

    • Homeowners seeking reliable backup power during outages
    • Outdoor enthusiasts needing portable power for camping or tailgating
    • Contractors requiring a robust power source for tools at job sites
    • Event organizers needing dependable electricity for outdoor gatherings
    • Users looking for a generator to power large appliances during emergencies
    • DIY enthusiasts who want to power tools in remote locations
    • Individuals or businesses needing a temporary power solution during renovations
    • Anyone who prefers gasoline generators for their ease of refueling and availability
    Updated: Jan 30, 2026

    What this generator can power

    At a Glance

    • Continuous:8,400W(recommended usable: 6,720W)
    • Surge:11,050W
    • 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)
    • Window AC (10,000 BTU)
    • TV + Entertainment System

    Est. running: 5,100W

    Peak surge (single motor): 6,000W

    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.

    Powerhorse
    ReliabilityCAverage

    About Powerhorse

    Powerhorse is known for its reliable and affordable portable generators that cater primarily to homeowners and small businesses.

    Founded1981
    HQBurnsville, Minnesota, USA
    Website (opens in a new tab)
    Support1-800-221-0516
    Support / Manuals (opens in a new tab)
    View all Powerhorse generators

    Warranty

    Coverage: 2 years

    Full Specifications

    Power

    Running Watts8,400 watts
    Starting Watts11,050 watts

    Engine

    Engine Displacement457 cc

    Electrical

    Voltage (AC)120/240V
    PhaseSingle
    AC Frequency60 hz

    Dimensions

    Dimensions31.7 x 21.7 x 24.2 inches
    Weight260 lbs

    Other

    Automatic Low Oil ShutdownYes
    Automatic Voltage RegulationYes
    Battery12V 9Ah
    Electric StartYes
    Fuel Tank Capacity6.6 gallons
    IndicatorsYes
    InverterNo
    Noise Level78 dBA
    Parallel CapableNo
    Recoil StartYes
    RV ReadyNo
    Starter TypeElectric W/recoil Backup
    Warranty2 years
    WheelsYes

    Core

    Fuel TypeGasoline

    Runtime

    Runtime @ 50%8.5 hours

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