Westinghouse · Portable generator · Model WGen20000
WGen20000 Generator
Infographic gallery
28,000W maximum peak output
Bars compare Westinghouse's factory-published running and peak output for each supported fuel.
Gasoline
Westinghouse 4-stroke OHV engine
Capacity
17.2 gal (65 L)
Runtime
Gasoline Run Time @ 25%: 14 hrs; Gasoline Run Time @ 50%: 8 hrs.
540 lb. (245 kg)
Dry or listed weight
38L x 35W x 40.4H in.
Product dimensions
Starting
Remote and push-button electric start with recoil backup
Voltage
120/240V
Transfer switch
Factory-listed ready
CO shutdown
Not listed
Official product gallery
The complete current official image set for WGen20000 includes product views, control-panel diagrams, feature comparisons, and lifestyle graphics where Westinghouse publishes them.
Complete specifications
These pages retain Westinghouse's detailed model-specific specification fields, including output, amperage, outlets, engine, runtime, oil, compliance, grounding, dimensions, weight, included equipment, and warranty information where published.
Product overview
For your toughest power needs, the Westinghouse WGen20000 Portable Generator is an ultra-duty generator engineered for strength.
Published Westinghouse feature
20,000 Running Watts and 28,000 Peak Watts; Easy-Access Start Panel with Push-Button Electric Start, Choke Knob, and Fuel Control Valve; Up to 17 Hours of Run Time at 25% load on a 17 Gallon Fuel Tank With Fuel Gauge
Power and operation
Featuring Four GFCI 120V 5–20R Standard Household Outlets, Two 50A 120/240V 14-50R Outlets, Two 30A 120/240V L14-30R Outlets, and One 30A 120V L5-30R Outlet; All Outlets Have Rubber Covers for Added Safety
Controls and convenience
Powered by a Heavy Duty 999cc Westinghouse V-Twin OHV Engine Featuring a Cast Iron Sleeve, Reinforced Steel Handles with Quick-Release Pins, Automatic Low Oil Shutdown, Idle Control, and Digital Readout Displaying Lifetime Run Hours, Volts, and Frequency
Connection capability
Safe for sensitive electronics less than 5% THD
Safety and protection
Copper windings help the unit produce cleaner power, run cooler and last longer
Portability detail
Plug-and-Play: Oil, Funnel, Setup Guide, and Manual to Get You Started Right Out of the Box
Ownership detail
All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network
Best-fit uses
Standout features
Use the independent wattage calculator before buying.
Ownership resources
Start with the exact Westinghouse WGen20000 model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.
Compatible accessories
Use a correctly rated cord or professionally selected inlet connection for the intended load.
Model-matched filters, spark plugs, batteries, oil supplies, and service parts support scheduled maintenance.
A fitted storage cover protects a cooled, stored generator. A running shelter must be designed for generator operation.
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.