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PowerhorseModel 13000ES
Discontinued

Powerhorse 10,000W Gas Generator Review

The Powerhorse 13000ES is a portable generator featuring a 622cc OHV engine with electric start, delivering 13,000 surge watts and 10,000 rated watts. It includes a 12.6-gallon fuel tank, providing up to 15 hours of runtime at half load.

At a Glance

  • Running Watts
    10000W
  • Starting Watts
    13000W
  • Fuel Type
    Gasoline
  • Runtime (50%)
    15h
  • Noise Level
    77 dB
  • Weight
    324 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

    • 622cc OHV engine with electric start and recoil backup
    • 13,000 surge watts and 10,000 rated watts
    • 12.6-gallon fuel tank
    • Up to 15 hours of runtime at half load
    • Automatic voltage regulator with voltmeter
    • Full-featured control panel displaying run time, voltage, and frequency
    • Wheel kit with flat-free tires
    • Folding handles for easy portability

    Cons

    • Heavy weight at 324 lbs
    • No RV outlet
    Best use cases
    Home backup

    Summary

    The Powerhorse 13000ES is a robust portable generator designed to meet the demands of both home and outdoor use. With a starting wattage of 13,000 watts and a running wattage of 10,000 watts, this generator is capable of powering essential appliances during power outages, as well as tools for construction sites and recreational activities. Its gasoline fuel type ensures easy refueling and accessibility, making it an ideal choice for users who require reliable energy on the go.

    This generator is particularly suited for those who need a dependable source of power for extended periods. With a runtime of up to 15 hours at a 50% load, the 13000ES is capable of supporting various applications, from powering a home in an emergency to providing energy for outdoor events. The combination of its substantial wattage and extended runtime makes it a versatile option for a wide range of users.

    Power & Runtime

    The Powerhorse 13000ES operates on gasoline, which is readily available and easy to refuel. With a starting wattage of 13,000 watts and a running wattage of 10,000 watts, it is powerful enough to handle multiple devices simultaneously. The generator features a noise level of 77 decibels, which is relatively standard for generators of this size, making it suitable for most outdoor and emergency situations, albeit with some noise.

    Runtime is a critical factor for any generator, and the 13000ES excels in this area. With a fuel tank capacity of 12.6 gallons, this generator can run for up to 15 hours at a 50% load, providing ample time for use without frequent refueling. This extended runtime is particularly advantageous for users who may need to keep appliances running during prolonged outages or outdoor events.

    The generator features both recoil and electric starting mechanisms, allowing for ease of use. The electric start adds convenience, especially for users who may find manual starting cumbersome. This dual starting system ensures that users can quickly get the generator up and running when needed.

    Outlets

    While the Powerhorse 13000ES does not come equipped with a variety of outlets, it is essential to note the absence of specific outlet details in the product specifications provided. This generator is not RV-ready, which may limit its use for those looking to power recreational vehicles directly. Additionally, it does not have a transfer switch capability, which is a critical feature for those who wish to connect the generator directly to their home’s electrical system for seamless power during outages.

    The lack of parallel capability means that users cannot connect multiple generators for increased wattage, which may be a consideration for those needing higher power output. Users should evaluate their specific power needs and outlet requirements before making a purchase.

    Portability

    The dimensions of the Powerhorse 13000ES are 33.5 inches in length, 24.4 inches in width, and 25.6 inches in height, making it a sizeable generator that offers a substantial power output. Weighing in at 324 pounds, it is important for potential users to consider its weight when assessing portability.

    To enhance mobility, the generator is designed with a sturdy frame and features handles for easier transport. However, due to its weight, it may require two people to move it effectively, especially over uneven terrain. While it lacks wheels, the frame design is robust enough to withstand outdoor conditions, making it suitable for job sites and camping trips where portability is essential.

    Features

    The control panel of the Powerhorse 13000ES is user-friendly, providing easy access to the starting mechanisms and essential controls. The absence of an inverter means that this generator is best suited for applications that do not require clean, stable power for sensitive electronics.

    Safety features are important in any generator, and the 13000ES includes standard safety mechanisms to ensure safe operation. While specific safety features were not detailed, users can expect the inclusion of overload protection and low oil shutdown, which are common in generators of this caliber.

    Included accessories may vary, but users should anticipate receiving the necessary tools for initial setup and maintenance. It is advisable to check for any additional accessories that may enhance the generator's functionality, such as extension cords or fuel stabilizers.

    Recommended Audiences

    • Homeowners needing backup power during outages
    • Contractors requiring a reliable power source for tools on job sites
    • Outdoor enthusiasts looking for power for camping or tailgating
    • Users who prioritize extended runtime for long-term use
    • Individuals who prefer a dual starting mechanism for convenience
    • Those who need a generator capable of supporting multiple appliances simultaneously
    • Users who are comfortable with a generator that operates at a higher noise level
    • Buyers looking for a durable and robust generator for various applications
    Updated: Jan 30, 2026

    What this generator can power

    At a Glance

    • Continuous:10,000W(recommended usable: 8,000W)
    • Surge:13,000W
    • 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.

    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

    Power by fuel

    FuelRunningStartingRuntime @50%Runtime @25%
    Gasoline10000W13000W15h

    Full Specifications

    Power

    Running Watts10,000 watts
    Starting Watts13,000 watts
    Starting Watts (Gasoline)13,000 W
    Running Watts (Gasoline)10,000 W

    Engine

    Engine622 cc OHV 4-stroke
    Engine TypeOHV 4-stroke
    Engine Displacement622 cc
    Spark ArrestorYes
    Emissions ComplianceEPA

    Electrical

    Voltage (AC)120/240
    Voltage (DC)12
    AC Frequency60 hz
    GFCI OutletsNo
    NeutralYes
    DC Outlets12V 8A cigarette lighter style
    AC Outlets2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
    Total Harmonic Distortion (THD)5 %

    Dimensions

    Dimensions33.5 x 24.4 x 25.6 inches
    Weight324 lbs

    Other

    Automatic Low Oil ShutdownYes
    Emissions ComplianceEPA
    Automatic Voltage RegulationYes
    Automatic Voltage RegulatorYes
    Commercial Warranty2 years
    Covered OutletsYes
    Electric StartYes
    Fuel GaugeYes
    Fuel Tank Capacity12.6 gallons
    Included AccessoriesTool kit and wheel kit
    IndicatorsNo
    InverterNo
    Noise Level77 dBA
    Overload ProtectionLow oil and overload protection
    Parallel CapableNo
    Part Number799,215
    Recoil StartYes
    RV ReadyNo
    Starter TypeRecoil, Electric
    Starting SystemRecoil, Electric
    Warranty2 years
    WheelsYes

    Core

    Fuel TypeGasoline

    Runtime

    Runtime @ 50%15 hours
    Runtime @ 50% Load (Gasoline)15 hours

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