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Westinghouse · Portable generator · Model WGen20000TFc

WGen20000TFc

WGen20000TFc - Tri-Fuel with CO Sensor

20,000W running28,000W peakTri-fuel: gasoline + propane + natural gas999cc · OHV 4 Stroke
Check retailer availability Official listed price $4,299.00
WGen20000TFc - Tri-Fuel with CO Sensor
Official product image · Westinghouse

Output, fuel flexibility, portability, and protection.

01 · Output by fuel

28,000W maximum peak output

Gasoline20,000W / 28,000W
Propane18,000W / 25,200W
Natural gas16,000W / 22,400W

Bars compare Westinghouse's factory-published running and peak output for each supported fuel.

02 · Fuel & runtime

Tri-fuel: gasoline + propane + natural gas

999cc · OHV 4 Stroke

Capacity

17.2 gal. (65.1 L)

Runtime

Gasoline Run Time @ 25%: 14 hrs; Gasoline Run Time @ 50%: 8 hrs.; Propane Run Time @ 25%, 20lb Tank: 3 hrs.; Propane Run Time @ 50%, 20lb Tank: 5 hrs.

03 · Size & ownership

557 lb. (252.7 kg)

Dry or listed weight

38L x 35W x 40.4H in.

Product dimensions

Official listed price
$4,299.00
Purchase channel
Westinghouse retailer network
04 · Controls & protection

Starting

Remote and push-button electric start with recoil backup

Voltage

120/240V

Transfer switch

Factory-listed ready

CO shutdown

Published sensor

The complete current official image set for WGen20000TFc includes product views, control-panel diagrams, feature comparisons, and lifestyle graphics where Westinghouse publishes them.

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The complete factory data available for comparison.

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.

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

The Westinghouse WGen20000TFc Tri-Fuel portable generator with CO sensor produces up to 28,000 peak watts and 20,000 running watts and runs on gasoline, propane, or natural gas.

Comparison summary

Gasoline output
20,000W running / 28,000W peak
Propane output
18,000W running / 25,200W peak
Natural gas output
16,000W running / 22,400W peak
Fuel or energy source
Tri-fuel: gasoline + propane + natural gas
Starting system
Remote and push-button electric start with recoil backup
Dimensions
38L x 35W x 40.4H in.
Dry or listed weight
557 lb. (252.7 kg)
Price and availability
Official listed price: $4,299.00; check current retailer availability

Factory electrical specifications

Gasoline Peak Watts
28000
Gasoline Running Watts
20000
Propane Peak Watts
25200
Propane Running Watts
18000
Natural Gas Peak Watts
22400
Natural Gas Running Watts
16000
Gasoline Peak Amps
116.7A - 240V, 233.3A - 120V
Gasoline Running Amps
83.3A - 240V, 166.7A - 120V
Propane Peak Amps
105A - 240V, 210A - 120V
Propane Running Amps
75A - 240V, 150A - 120V
Natural Gas Peak Amps
93.3A - 240V, 186.7A - 120V
Natural Gas Running Amps
66.7A - 240V, 133.3A - 120V
AC Voltage
120/240V
AC Frequency
60 Hz
Outlets
Two GFCI 120V 5–20R 20A, Two 120/240V L14-30R, One 125A 240V AC Terminal Block, Two 120/240V 14-50R, One 120V L5-30R 30A
Total Harmonic Distortion -THD
Less Than 5%
GFCI Outlets
Yes
Winding Material
100% Copper Windings
Outlet Covers
Yes
Transfer Switch Ready
Yes
ST Switch Ready
Yes
Display Type
VFT Display
Grounding System
Bonded Neutral

Factory engine, fuel & runtime specifications

Noise Level
As low as 74 dBA
Low Idle Control
Yes
Fuel Gauge
Yes
Fuel Tank Capacity
17.2 gal. (65.1 L)
Gasoline Run Time @ 25%
14 hrs
Gasoline Run Time @ 50%
8 hrs.
Propane Run Time @ 25%, 20lb Tank
3 hrs.
Propane Run Time @ 50%, 20lb Tank
5 hrs.
Choke Type
Automatic
Engine Displacement
999cc
Engine Type
OHV 4 Stroke
Oil Capacity
74.4 oz. (2.32 qt.)
Engine Oil Type
10W-30
Automatic Low Oil Shutdown
Yes

Factory safety, compliance & warranty specifications

Carbon Monoxide (CO) Sensor
Yes
Overload Protection
Yes
CARB Compliant
No
EPA Certified
Yes
Battery Included
Yes
Warranty (Residential)
3 Year Limited
Warranty (Commercial)
1 Year Limited

Factory dimensions, portability & included equipment

Lift Bracket
Included
Included Accessories
Oil Bottle, Oil Funnel, Spark Plug Wrench, Assembly Wrench, Remote Start Key Fob, Propane Regulator/Hose, Battery Float Charger, Handle Lock Pins, User Manual
Product Dimensions
38L x 35W x 40.4H in.
Dry Unit Weight
557 lb. (252.7 kg)
Packaging Dimensions
38.9L x 27W x 42.5H in.
Shipping Weight
640.2 lb. (290.4 kg)
Part Number
20027
UPC
850032657785

Additional factory specifications

Starter Type
Electric, Remote
Cast Iron Sleeve
Yes

Official feature details

Published Westinghouse feature

HUGE PORTABLE POWER: Gasoline: 28,000 peak watts and 20,000 running watts; Propane: 25,200 peak watts and 18,000 running watts; Natural gas: 22,400 peak watts and 16,000 running watts; up to 13 hrs. of run time at 25% load on a 17.2-gal. tank with gauge; perfect backup power source for larger homes

Power and operation

TRI FUEL WESTINGHOUSE WORKHORSE: 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; low idle mode; digital readout displaying lifetime run hours, volts, and frequency

Controls and convenience

LOW THD—SAFE FOR SENSITIVE ELECTRONICS: Engineered so you can power phones, computers, TVs and more to stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer

Connection capability

PLUG IN, POWER UP: Two 120/240V 14-50R 50A outlets, two 120/240V L14-30R 30A outlets, all transfer switch and interlock kit ready; one 120V L5-30R 30A outlet, two GFCI 120V 5–20R 20A standard duplex outlets; all have rubber covers; includes oil, funnel, and setup guide to get you going right away

Safety and protection

MAX POWER OPTION: With high output designed for easy whole-home backup, our exclusive 240V AC terminal block lets a licensed electrician hardwire the generator directly to your home for full power delivery without the limits of cords or outlets

Portability detail

BIG AND BUILT TO MOVE: Large, never-flat wheels, foldable steel handles and lift bracket for easy maneuvering, so you get best-in-category power wherever and whenever you need it for home backup or jobsite. The power of a stationary unit, but with portability -- so it ’s the best of both worlds

Ownership detail

POWER YOU CAN TRUST: All Westinghouse generators are functionally tested in the factory and may contain minimal residual oil and/or fuel odor; EPA-compliant; backed by a 3-year limited service, labor, and parts warranty with our nationwide Westinghouse Customer Service and Support Network

  • Whole-home backup planning
  • Transfer-switch applications
  • Large RV loads
  • Jobsites and events
  • 28,000W peak / 20,000W running
  • Tri-fuel: gasoline + propane + natural gas
  • Remote and push-button electric start with recoil backup
  • Carbon-monoxide sensor with automatic shutdown

Match it to the equipment you'll actually run.

Use the independent wattage calculator before buying.

Check my power plan

Find My Generator score

68/ 100

Strong in its class

Compared with 144 high output portable generators in the current catalog.

Power99

Running and peak output versus the class

Endurance77

Longest published runtime figure

Portability1

Lower weight scores higher

Fuel flexibility90

Multiple fuel choices

Value24

Output or stored energy per listed dollar

See what each spec really means.

A number is more useful with context. Each row shows this model beside its class median and translates the difference into a percentile.

Running output

Higher than 99% of its class

This model · 20,000W
Median · 9,100W

Peak output

Higher than 99% of its class

This model · 28,000W
Median · 11,350W

Published runtime

Longer than 77% of its class

This model · 14 hr
Median · 11 hr

Product weight

Lighter than 1% of its class

This model · 557 lb
Median · 216 lb

How the score works: Scores use published specs and are relative to comparable products in this catalog. Missing specs are excluded and remaining weights are normalized. Runtime is the longest manufacturer-published figure and may use a different load or fuel than another model.

Size a generator for your own appliances

Accessories, manuals, and documents.

Start with the exact Westinghouse WGen20000TFc 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

Maintenance kit and service parts

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

Match the complete WGen20000TFc 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.

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.