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WEN · Portable generator · Model DF1200X

DF1200X

DF1200X 12000-Watt 120-Volt/240-Volt Dual Fuel Transfer-Switch Ready Electric Start Portable Generator with Wheel Kit and CO Shutdown Sensor

9,500W running12,000W startingDual fuel: gasoline + propaneEngine displacement not listed in the catalog description
Check price at WEN Current $1,109.58
WEN DF1200X 12000-Watt 120-Volt/240-Volt Dual Fuel Transfer-Switch Ready Electric Start Portable Generator with Wheel Kit and CO Shutdown Sensor
Official product image · WEN Products

Infographic gallery

Output, fuel flexibility, runtime, and ownership.

01 · Output by fuel

12,000W maximum starting output

Gasoline9,500W / 12,000W
Propane9,000W / 11,000W

Bars compare WEN's published running and starting capacity for each fuel configuration.

02 · Fuel & runtime

Dual fuel: gasoline + propane

Model-specific energy system and manufacturer-published operating information.

Capacity

9-gallon tank provides up to 7.5 hours of half load run time.

Published runtime

9-gallon tank provides up to 7.5 hours of half load run time.

03 · Portability & price

229 lb (official listing weight)

Official listing weight

WEN price
$1,109.58
Availability
Available from WEN
Model
DF1200X
04 · Controls & protection

Starting

Electric start with recoil backup

Voltage

120/240V

Fuel shutoff

Not listed

CO shutdown

WEN Watchdog

Official product gallery

Product views and WEN feature graphics.

This gallery uses the current official image set published for model DF1200X.

DF1200X official WEN product image 1
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Complete specifications

The fields that matter for comparison.

Output, engine, fuel, runtime, outlet, sound, weight, safety, price, and warranty details come from WEN's current official collection, model description, product imagery, and manual link.

Combustion generators are for outdoor use only. Keep the generator at least 20 feet from occupied buildings with exhaust directed away from doors, windows, and vents.

Product overview

Switch between gasoline (12000 surge watts, 9500 running watt) and propane (11000 surge, 9000 running) with the simple turn of the selection dial.

Electrical output by fuel

Gasoline output
9,500W running / 12,000W starting
Propane output
9,000W running / 11,000W starting
Voltage
120/240V
Outlet panel
Includes four 120V GFCI 5-20R receptacles, one 120V/240V transfer-switch-ready NEMA L14-30R twist lock receptacle, one 120V/240V 50A NEMA L14-50R receptacle, a 12V DC cigarette-lighter-style plug, a bottle of oil, a wheel and handle kit, an LPG connection hose, and a 2-year warra
Power quality
Not listed
Parallel capability
Not listed in the official description

Engine, fuel & runtime

Engine or power system
Engine displacement not listed in the catalog description
Starting system
Electric start with recoil backup
Fuel options
Dual fuel: gasoline + propane
Fuel capacity
9-gallon tank provides up to 7.5 hours of half load run time.
Published runtime
9-gallon tank provides up to 7.5 hours of half load run time.
Published sound information
Sound level not listed in the catalog description
Fuel shutoff
Not listed for this model

Portability, protection & ownership

Listing weight
229 lb (official listing weight)
Carbon-monoxide shutdown
Yes — WEN Watchdog or published CO sensor
Low-oil shutdown
Not listed in the official description
Warranty
Includes four 120V GFCI 5-20R receptacles, one 120V/240V transfer-switch-ready NEMA L14-30R twist lock receptacle, one 120V/240V 50A NEMA L14-50R receptacle, a 12V DC cigarette-lighter-style plug, a bottle of oil, a wheel and handle kit, an LPG connection hose, and a 2-year warra
Price and availability
Current WEN price: $1,109.58
Official model
DF1200X

Official feature details

Published WEN feature

Switch between gasoline (12000 surge watts, 9500 running watt) and propane (11000 surge, 9000 running) with the simple turn of the selection dial

Output and operation

The WEN Watchdog CO Shutdown Sensor helps protect both you and your family by automatically turning off the generator if dangerous levels of carbon monoxide are detected

Controls and convenience

Electric start powers the 500cc 4-stroke OHV engine with the turn of a key

Power-panel capability

9-gallon tank provides up to 7.5 hours of half load run time

Protection and ownership

Includes four 120V GFCI 5-20R receptacles, one 120V/240V transfer-switch-ready NEMA L14-30R twist lock receptacle, one 120V/240V 50A NEMA L14-50R receptacle, a 12V DC cigarette-lighter-style plug, a bottle of oil, a wheel and handle kit, an LPG connection hose, and a 2-year warranty

Best-fit uses

  • Home-backup planning
  • Transfer-switch applications
  • Large RV loads
  • Jobsites and events

Standout features

  • 12,000W starting / 9,500W running
  • Dual fuel: gasoline + propane
  • Electric start with recoil backup
  • WEN Watchdog carbon-monoxide shutdown

Match it to the equipment you'll actually run.

Use the independent wattage calculator before buying.

Check my power plan
Sources: WEN DF1200XAll WEN generatorsOfficial manualVerified September 15, 2026

Ownership resources

Accessories, manuals, and documents.

Start with the exact WEN DF1200X model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.

Compatible accessories

Match by model and connection.

Verify exact fit

Generator power cord or inlet connection

Use a correctly rated cord or professionally selected inlet connection for the intended load.

Match voltage, amperage, blade pattern, and wire rating to L14-30R. Home connections require approved transfer equipment and qualified installation.
View official accessory options
Verify exact fit

Parallel kit

This model’s published information references parallel operation. Use the manufacturer’s matching kit and pairing rules.

Confirm that the kit explicitly names DF1200X or its exact generator family before connecting another unit.
View official accessory options
Verify exact fit

Maintenance kit and service parts

Model-matched filters, spark plugs, batteries, oil supplies, and service parts support scheduled maintenance.

Match the complete DF1200X model or item number and follow the maintenance table in its manual.
View official accessory options
Verify exact fit

Storage cover or approved running shelter

A fitted storage cover protects a cooled, stored generator. A running shelter must be designed for generator operation.

Never run a fuel-burning generator indoors or inside a storage cover. Follow the manual’s clearance and ventilation requirements.
View official accessory options

Manuals & PDFs

Official product materials.

Owner’s or operator’s manualPDFOperating, safety, maintenance, and troubleshooting instructions for DF1200X.Official product pageProduct pageCurrent manufacturer overview, notices, specifications, downloads, and support links.

Compatibility note: Links lead to manufacturer or official retailer resources. Confirm the full model or item number, connector type, voltage, amperage, and published compatibility list before buying. Installation involving a home panel, inlet, transfer switch, or fuel plumbing should be handled as required by local code.