Skip to content
Skip to main content
Home/Generator/Champion Power Equipment 201255
Champion Power EquipmentModel 201255

Champion Power Equipment 4,000W Gas Generator Review

The Champion Power Equipment 201255 is a 4000-watt inverter generator featuring a 224cc engine, providing clean power with less than 3% THD, and includes CO Shield® carbon monoxide auto shutoff system.

At a Glance

  • Running Watts
    4000W
  • Starting Watts
    5500W
  • Fuel Type
    Gasoline
  • Runtime (25%)
    16h
  • Noise Level
    70 dB
  • Weight
    81.6 lbs

Where to buy

Prices can change. We update these automatically.

    Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.

    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

    • 4000 running watts and 5500 starting watts
    • 224cc Champion engine
    • Less than 3% total harmonic distortion (THD)
    • CO Shield® carbon monoxide auto shutoff system
    • Parallel capable for increased power output
    • RV ready with 120V 30A RV outlet
    • 16-hour runtime at 25% load
    • Noise level of 70 dBA from 23 feet

    Cons

    • heavy weight of 81.6 pounds
    • no electric start
    Best use cases
    Sensitive electronicsRV / campingExpandable power

    Summary

    The Champion Power Equipment 201255 is a gasoline generator rated for 4000 running watts with 5500 starting watts. That combination gives it a clear split between steady output for ongoing loads and extra surge capacity for equipment that needs a stronger push at startup.

    Because it is gasoline-fueled, it pairs its wattage with a familiar refueling routine, keeping the focus on straightforward power delivery from a compact fuel source.

    Power & Runtime

    Running at 4000 watts with 5500 starting watts, the 201255 is built to handle both continuous demand and short startup spikes, which is useful when loads cycle on and off. Its noise level is listed at 70 dBA, setting expectations for audible operation while it is producing power.

    Runtime is rated at 16 hours at 25 percent load, and that figure ties directly to longer stretches of lighter, steady use without frequent refueling. Power quality is supported by a total harmonic distortion rating of less than 3 percent, which aligns with the goal of cleaner electricity for devices that benefit from tighter waveform control.

    Portability

    With a listed weight of 81.6 lbs, the 201255 lands in a range where moving it is a deliberate task rather than a grab-and-go lift. Its dimensions of 21.3 x 17.9 x 17.9 inches help define how much floor space it occupies in storage or when set up for use, and the near-square footprint makes its placement easy to visualize in a garage corner or alongside other equipment.

    Features

    Starting is handled through a recoil system, keeping operation direct and mechanical. A built-in fuel gauge supports quick checks on remaining fuel, and the presence of indicators adds at-a-glance status feedback while the generator is running.

    This model is parallel capable, which opens the door to scaling output by pairing it with another compatible unit, and it is also RV ready for setups that call for that compatibility. Practical protection details include a spark arrestor and covered outlets, and automatic voltage regulation is included to help manage output stability. Compliance is listed as CARB, EPA, and ANSI/PGMA G300-2023, and the generator is backed by a 3-year warranty.

    Recommended Audiences

    • RV owners needing RV-ready power
    • Users who want to scale output via parallel operation
    • Owners of sensitive electronics seeking clean inverter power
    • Shoppers who prefer gasoline-powered generators
    • Homeowners needing emergency backup for essential circuits
    Updated: Feb 24, 2026

    Score Breakdown

    4.0
    / 10
    Rank #89 of 111 in Inverter (2,500-5,000W)
    Value (25%)
    Quality (25%)
    Practical (18%)
    Features (12%)
    Features (1.4 pts)
    • Inverter+1
    • Parallel Capable+0.4
    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:4,000W(recommended usable: 3,200W)
    • Surge:5,500W
    • Output:120V only
    • Inverter:Yes (clean power for electronics)

    Big-item compatibility

    Refrigerator
    Yes
    Sump Pump (1/3 HP)
    Yes
    Well Pump (1 HP, 240V)
    No

    Needs 240V output

    Furnace Blower
    Yes
    Central AC (3 Ton, 240V)
    No

    Needs 240V output

    Window AC (10,000 BTU)
    Yes
    Electric Water Heater (240V)
    No

    Needs 240V output

    Electric Range/Oven (240V)
    No

    Needs 240V output

    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)

    Est. running: 2,900W

    Peak surge (single motor): 2,000W

    Avoid starting multiple motor loads at the same time.

    Jobsite / Tools

    • Lights + Wi-Fi + Charging
    • Circular Saw (7 1/4")

    Est. running: 1,600W

    Peak surge (single motor): 2,800W

    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.

    Champion Power Equipment
    ReliabilityBGood

    About Champion Power Equipment

    Champion Power Equipment is a leading manufacturer of portable and standby generators, known for their reliability and affordability in both domestic and commercial markets.

    Founded2003
    HQSanta Fe Springs, California, USA
    Website (opens in a new tab)
    Support1-877-338-0999
    Support / Manuals (opens in a new tab)
    View all Champion Power Equipment generators

    Warranty

    Coverage: 3 years

    Power by fuel

    FuelRunningStartingRuntime @50%Runtime @25%
    Gasoline4000W5500W16h

    Full Specifications

    Power

    Running Watts4,000 watts
    Starting Watts5,500 watts
    Starting Watts (Gasoline)5,500 W
    Running Watts (Gasoline)4,000 W

    Engine

    Engine224 cc OHV 4-stroke
    Engine TypeOHV 4-stroke
    Engine Displacement224 cc
    Spark ArrestorYes
    Emissions ComplianceCARB, EPA, ANSI/PGMA G300-2023

    Electrical

    Voltage (AC)120
    Voltage (DC)12
    PhaseSingle
    Running Amps33.3 A
    Peak Amps45.8 A
    AC Frequency60 hz
    Current33.3 amps
    GFCI OutletsNo
    NeutralYes
    DC Outlets1x 12V 8A (cigarette lighter style)
    AC Outlets1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
    Total Harmonic Distortion (THD)<3% %

    Dimensions

    Dimensions21.3 x 17.9 x 17.9 inches
    Weight81.6 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 StartNo
    Fuel GaugeYes
    Fuel Tank Capacity2.9 gallons
    Included AccessoriesOil, funnel, and tool kit
    IndicatorsYes
    InverterYes
    Noise Level70 dBA
    Overload ProtectionLow oil and overload protection
    Parallel CapableYes
    Recoil StartYes
    Remote StartNo
    RV ReadyYes
    Starter TypeRecoil
    Starting SystemRecoil
    UPC817,198,027,944
    Warranty3 years

    Core

    Fuel TypeGasoline

    Runtime

    Runtime @ 25%16 hours
    Runtime @ 25% Load (Gasoline)16 hours

    Questions & Answers

    0 questions
    Ask a question
    Loading questions…

    Ask a question

    Between 10 and 500 characters.0/500
    We'll only use this to notify you when it's answered.
    2-60 characters. This may be posted publicly with your question.

    Owner Reviews

    0 reviews
    Write a review
    Loading reviews...

    Write a review

    Describe your ownership experience. No links, prices, or retailer mentions.

    Checking sign-in...