10 Best 12000 Watt Portable Generator of December 2025

• Important NOTE: All shipments Require a working phone number to schedule delivery and proper address for the unit to be shipped out, or your order may be delayed or cancelled
• 12000 watts peak power, 9000 watts rating power
• 18HP 459cc OHV air cooled Engine
• Running time: 10 hrs @ 1/2 load; electric start button & recoil start
• Fuel capacity: 8 gallons; operating noise level: 76 dB
• 4x 120V AC outlets; 1x 120V twist-lock outlet; 1x 120/240V twist-lock outlet; 1x 12V DC;
• Include Hour Meter, Maintenance-Free Battery and Flat-Free Wheel Kit
• Epa certified. Non C. A. R. B. Compliant, not available to ship to California

All Power America

• IMPORTANT NOTE: All Shipments Require A Working Phone Number To Schedule Delivery and Proper Address For The Unit To Be Shipped Out, Or Your Order May Be Delayed Or Cancelled
• 459cc OHV Air Cooled Engine
• Peak 12,000 Watts Rated 9,000 Watts, Runs 10 Hours At 1/2 Load
• EPA & CARB Approved
• Includes Hour Meter, Maintenance Free Battery and Wheel Kit

GeneratorUSA

• Features Two GFCI (Ground Fault Circuit Interrupter) 5-20R 120V Household Duplex Receptacle and One L14-30R 120/240V Twist-Lock Receptacle; All Outlets Have Rubber Covers for Added Safety
• Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User's Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
• Powered by a 420cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter. Noise Level-72 dBA
• All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA and CARB Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network
• 7500 Running Watts and 9500 Peak Watts; Remote Start With Included Key Fob, Electric and Recoil Start; Up to 11 Hours of Run Time on a 6.6 Gallon Fuel Tank With Fuel Gauge

Westinghouse

• 12000 watt peak power, 9000 watt rated power(GAS); 9500 watt peak power, 7250 watt rated power(LPG)
• 18HP 459cc OHV air cooled Engine; Running time: 10 hrs @ 1/2 load
• Fuel capacity: 8 gallons; Operating Noise Level: 76 dB; Electric Start Button & Recoil Start
• 4x AC 120V outlets, 1x 120V twist-lock outlet, 1x 120/240V twist-lock outlet, 1x 12V DC; Includes hour meter, maintenance free Battery and flat free wheel kit
• EPA Certified. Non C. A. R. B. Compliant, not available to ship to California

All Power America

• POWERFUL DUROMAX ENGINE: The XP12000EH is Powered by a DuroMax 18HP, 457cc DuroMax OHV Engine
• PLENTY OF POWER: With 12,000 starting watts and 9,500 running watts, this unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools
• DUAL FUEL TECHNOLOGY: This generator runs on gasoline or propane giving you the freedom and flexibility of fuel choice.
• MX2 TECHNOLOGY: With DuroMax MX2 technology, get the maximum power from each of the 120 Volt receptacles; Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power
• LOW OIL SHUT-OFF: Protects your investment by automatically shutting the generator off when it senses that the oil is low.
• IDLE CONTROL: Generator lowers RPMs when not in use, saving fuel and reducing noise. Ideal in situations like on job sites where power is used intermittently.

DuroMax

• 12, 000 starting watts/9, 000 running watts
• Epa, CARB for 50 States
• High performance alternator provides greater peak wattage which allows motor driven appliances and tools to operate simultaneously.
• Multiple front panel outlets. Ergonomically angled compact control panel with multiple outlets with weather proof cover provides easy power connections and added protection from the environment.
• Powerful 459cc/16Hp engine. It's only single cylinder even for its big size. It delivers just power. Single cylinder, air-cooled, 4-stroke engine with electric start

A-iPower

• 12, 000 peak watt & 9000 running watt on gas or 10800 Max Watt & 8500 on propane
• Seamlessly switch between gas & propane with digital control pad
• 9 hours run time @ Max load or 16 hours run time @ 50% load
• Electric start, low oil shutdown/warning lights
• Weather resistance cover outlet let you operates the unit in in any weather & condition
• Carb EPA complied sell to all 50 States
• 2 years manufacture & free technical support, buy with confidence call 855 88-3598 for technical issues
• Wheel kit included, move your generator around easier without buying extra kit

A-iPower

• POWERFUL DUROSTAR ENGINE: The DS10000EH is powered by a DuroStar 18 HP 440cc OHV engine with automatic low oil shutoff; Fuel Capacity: 8.3 Gallons; Noise Level: 72dB
• PLENTY OF POWER: With 10,000 peak watts and 8,000 running watts, this unit is a workhorse that provides plenty of power to handle multiple jobs from powering high voltage appliances to heavy duty power tools
• MAXIMUM POWER: With DuroStar MX2 technology, get the maximum power from each of the 120V outlets; Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power
• POWERING EVERYONE ANYWHERE: Like all DuroStar generators, the DS10000EH is EPA and CARB approved for use in all 50 states
• DUAL FUEL TECHNOLOGY: This generator runs on gasoline or propane giving you the freedom and flexibility of fuel choice
• WHAT'S IN THE BOX: DuroStar DS10000EH Generator, Oil Funnel, Sparkplug Wrench, Tool Set, Wheel & Handle Kit, DC Charging Cables and Owner's Manual
• POWER PANEL: Includes a selection of outlets for maximum compatibility in your applications including: 2 120V household outlets, 1 120V 30A twist lock outlet, 1 120/240V 30A twist lock outlet and 1 120/240V 50A heavy duty outlet; Also includes a voltmeter and 12V DC charging posts for charging external batteries

DuroStar

• Ultra-Powerful – At 15,000 starting watts and 12,000 running watts, enjoy up to 9 hours of run time on a full tank of gasoline with a noise level of 78 dBA from 23 feet
• Electric Start – Trust the reliable 717cc V-Twin Champion engine with its battery-included electric start featuring a reliable toggle switch, plus built-in Cold Start Technology for easy starts in cold weather
• Covered Outlets – One 120V 30A locking, a 120/240V 30A locking, a 120/240V 50A and four 120V 20A GFCI outlets, plus Volt Guard built-in surge protector prevents overloads and keeps your appliances and equipment safe
• Lift Hook – Designed for safe and easy transport, loading and unloading, plus the Intelligauge keeps track of voltage, hertz and run-time hours so you can easily monitor power output and track maintenance intervals
• Champion Support – includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

Champion Power Equipment

• Your purchase includes One DuroMax XP4400EH 4400 watt Dual Fuel Hybrid generator with Electric Start, One oil funnel, One spark plug wrench, tools set, wheels and handle kit, DC charging cables and owner’s manual
• Portable Generator dimensions: 24” L x 17" W x 17" H. Product weight: 127 lbs
• Specifications: Noise level – 69 dB. Fuel tank capacity (GASOLINE) – 3.96 gallons. Suggested tank size (PROPANE) – 20 gallons
• The ability to run on Propane or Gasoline allows the Freedom and Flexibility of Fuel Choice
• With 4,400 starting watts and 3,500 running watts, this unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools. Operate at both 120 V and 240 V simultaneously, or at 120 only with full power

DuroMax