Best 12000 Watt Generator In February 2025

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It is not an easy task to choose the Best 12000 Watt Generator if you aren’t a frequent buyer. But don’t worry – we have compiled here the perfect list of Top 10 Best 12000 Watt Generator for you. Have a look at our list and choose the ones you like the most.

To help you in your search, we have completed this list of the Best 12000 Watt Generator.

Top Rated Best 12000 Watt Generator Of 2025

Rank	Product Name	Score
1	Westinghouse WGen3600v Portable Generator - 3600 Rated Watts & 4650 Peak Watts Buy Now	9.7 Buy Now
2	Champion 3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start Buy Now	9.5 Buy Now
3	DuroStar DS12000EH 12000 Watt Portable Electric Start Dual Fuel Generator Buy Now	9.1 Buy Now
4	Westinghouse WGen9500 Heavy Duty Portable Generator - 9500 Rated Watts & 12500 Peak Buy Now	8.8 Buy Now
5	A-iPower SUA12000E Gasoline Powered Generator/Electric Start Buy Now	8.6 Buy Now
6	All Power America APGG10000GL 10000 Watt Dual Fuel Portable Generator with Electric Start Buy Now	8.3 Buy Now
7	DuroMax XP12000EH 12000-Watt 18 HP Portable Dual Fuel Electric Start Generator,Blue and Black Buy Now	8.1 Buy Now
8	Rainier R12000DF Dual Fuel (Gas and Propane) Portable Generator with Electric Start Buy Now	7.8 Buy Now
9	A-iPower SUA12000EC 12000-Watt Gas Powered Generator W/Electric Start (CARB/EPA), Wheel Kit Included Buy Now	7.5 Buy Now
10	A-iPower SUA12000ED 12,000 Watt Dual Fuel Portable Generator Propane or Gas EPA/CARB, Electric Buy Now	7.2 Buy Now

1. Westinghouse WGen3600v Portable Generator - 3600 Rated Watts & 4650 Peak Watts

• Epa and carb compliant, backed by a 3-year limited service, labor, and parts coverage with nationwide customer service and support network at 1-855-944-3571 and email ,protected
• Plug-and-play: comes with oil, an oil funnel, a tool kit, and a users manual to get you started right out of the box (minimal assembly required)
• Powered by a 212cc westinghouse 4-stroke ohv engine featuring a long-lasting cast iron sleeve with automatic low oil shutdown
• Features one 520r 120v household duplex receptacle, one rv-ready tt-30r 30 amp receptacle, and one l5-30r 30 amp receptacle, all outlets have rubber covers for added safety
• 3600 running watts and 4650 peak watts, recoil start, 4 gallon fuel tank with fuel gauge, up to 13.5 hours of run time per tank

2. Champion 3800-Watt Dual Fuel RV Ready Portable Generator with Electric Start

• Noise level: 68 dba from 23 feet
• Dimensions: 26.3" l x 24.8" w x 22.9" h | weight: 119 lbs
• Champion support: includes 3-year limited warranty with free lifetime technical support from dedicated experts
• Electric start: power up the 224cc champion engine with the handy toggle switch, battery included
• Dual fuel: operate your 3800-watt portable generator right out of the box on either gasoline or propane, plus the unit holds 0.6-quarts of oil (included) and has a low oil shut-off sensor
• Intelligauge: keep track of voltage, hertz and run-time hours to easily monitor power output and track maintenance intervals

3. DuroStar DS12000EH 12000 Watt Portable Electric Start Dual Fuel Generator

• 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
• Powerful durostar engine: the ds12000eh is powered by a durostar 18 hp 457cc ohv engine with automatic low oil shutoff, fuel capacity: 8.3 gallons, noise level: 74db
• Plenty of power: with 12,000 peak watts and 9,500 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
• Dual fuel technology: this generator runs on gasoline or propane giving you the freedom and flexibility of fuel choice
• 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
• Powering everyone anywhere: like all durostar generators, the ds12000eh is epa and carb approved for use in all 50 states

4. Westinghouse WGen9500 Heavy Duty Portable Generator - 9500 Rated Watts & 12500 Peak

• Features two gfci 120v 520r standard household receptacle, one transfer switch ready 120v l14-30r, one rv ready 120/240v 1450r, and two 5v usb ports, all outlets have rubber covers for added safety
• 9500 running watts and 12500 peak watts, remote start with included key fob, electric and recoil start, up to 12 hours of run time on a 6.6 gallon fuel tank with fuel gauge
• Epa and carb compliant, backed by 3-year limited service, labor, and parts coverage with nationwide customer service and support network at 1-855-944-3571 or email ,protected
• Powered by a heavy duty 457cc westinghouse 4-stroke ohv engine featuring a long-lasting cast iron sleeve with automatic low oil shutdown and digital hour meter
• Plug-and-play: comes with a remote start key fob, 12v battery charger, oil, an oil funnel, a tool kit, and a users manual to get you started right out of the box (minimal assembly required)

5. A-iPower SUA12000E Gasoline Powered Generator/Electric Start

• Neutral bonded to frame for added safety
• Keyless one-touch push button provides an effortless start
• None carb complied, can not ship to california
• Effortless move. large 9. 5in never-flat wheels designed for heavy duty loads and improved traction and mobility over rough terrain, ultimate on the job mobility
• 12, 000 starting watts/ 9, 000 running watts with electric start
• Built-in dc adapter plug. built for charge your battery or use with your usb adapter to charge your cellphone. dc charging cables included.

6. All Power America APGG10000GL 10000 Watt Dual Fuel Portable Generator with Electric Start

• 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
• 15 hp 420cc ohv air cooled engine. runs 11 hrs @ 1/2 load
• 10000 watt peak power, 8000 watt rated power(gas), 8500 watt peak power, 7000 watt rated power(lpg)
• 4x ac duplex 120v outlets, 1x 120v twist-lock outlet, 1x 120/240v twist-lock outlet, 1x 12v dc
• Fuel capacity: 8 gallons, operating noise level: 76 db, electric start button & recoil start
• Include hour meter, maintenance free battery and flat free wheel kit

7. DuroMax XP12000EH 12000-Watt 18 HP Portable Dual Fuel Electric Start Generator,Blue and Black

• Dual fuel technology: this generator runs on gasoline or propane giving you the freedom and flexibility of fuel choice.
• Powerful duromax engine: the xp12000eh is powered by a duromax 18hp, 457cc duromax ohv engine
• 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.
• 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
• Low oil shut-off: protects your investment by automatically shutting the generator off when it senses that the oil is low.
• 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

8. Rainier R12000DF Dual Fuel (Gas and Propane) Portable Generator with Electric Start

• Powerful 457cc ohv 4 stroke rainier engine, up to 17 hours of run time at 25% load, operational volume as low as 72db
• Vft display volts, frequency, and lifetime hours, full control panel featuring two 5-20r 120v 20a gfci household outlets, one l5-30r 120v 30a outlet, one l14-30r 120v 30a outlet, and one 14-50r 120/240v 50a outlet, two grounding ports
• Dual fuel 12000 peak watts and 9500 running watts (gasoline), 10800 peak watts and 8550 running watts (propane), 6.6 gallon fuel tank with fuel gauge and automatic low oil shutdown
• Electric start convenient one-touch power switch with back-up recoil start
• Backed by a 3-year limited warranty
• Epa and carb compliant, rv ready includes wheel kit with two 10 inch wheels and two foam grip handles for your convenience

9. A-iPower SUA12000EC 12000-Watt Gas Powered Generator W/Electric Start (CARB/EPA), Wheel Kit Included

• High performance alternator provides greater peak wattage which allows motor driven appliances and tools to operate simultaneously.
• Epa, carb for 50 states
• 12, 000 starting watts/9, 000 running watts
• 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

10. A-iPower SUA12000ED 12,000 Watt Dual Fuel Portable Generator Propane or Gas EPA/CARB, Electric

• Wheel kit included, move your generator around easier without buying extra kit
• Carb epa complied sell to all 50 states
• 12, 000 peak watt & 9000 running watt on gas or 10800 max watt & 8500 on propane
• Electric start, low oil shutdown/warning lights
• 9 hours run time @ max load or 16 hours run time @ 50% load
• Seamlessly switch between gas & propane with digital control pad