Head to head

Westinghouse WGen11500TFc Tri-Fuel vs Westinghouse WGen14500DFc

Westinghouse WGen11500TFc Tri-Fuel

Westinghouse · Portable Generator

Westinghouse WGen11500TFc Tri-Fuel

~$1,699

11,500 W / 14,500 W surge · up to well pump or a small central AC

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Westinghouse WGen14500DFc

Westinghouse · Portable Generator

Westinghouse WGen14500DFc

~$3,499

14,500 W / 18,000 W surge · up to well pump or a small central AC

Quick takeThe Westinghouse WGen11500TFc Tri-Fuel lists about $1,800 lower; the Westinghouse WGen14500DFc puts out more sustained power (14,500 W).

SpecWestinghouse WGen11500TFc Tri-FuelWestinghouse WGen14500DFc
Approx. price~$1,699~$3,499
TypePortable GeneratorPortable Generator
FuelTri Fuel (Gas/LP/NG)Dual Fuel (Gas/Propane)
Running / output watts11,500 W14,500 W
Starting / surge watts14,500 W18,000 W
Battery capacity——
Expandable to——
Noise74 dB74 dB
Runtime19 hrs @ 25% load (9.5 gal gas); ~7 hrs @ 50% on 20-lb propane; unlimited on NG hookupGas: up to 16 hrs at 25% load, 9 hrs at 50% on 10.5 gal; propane: 4 hrs at 50% on a 20 lb tank (13,000 W running on LP)
Outlets2x 120V 20A duplex (5-20R), 1x 120/240V 30A (L14-30R), 1x 120/240V 50A (14-50R), 2x USB2x 120V 20A GFCI (5-20R), 1x 120V 30A (L5-30), 1x 120/240V 30A (L14-30R), 1x 120/240V 50A (14-50R), 2x USB
Fuel tank9.5 gal10.5 gal
Weight230 lbs352 lbs
Transfer-switch readyYesYes
Warranty3-year limited3-year residential

Highlighted cell is the better figure for that row.

Owner pros and cons

Westinghouse WGen11500TFc Tri-Fuel

  • +Natural-gas hookup eliminates fuel storage and refueling runs
  • +Massive output covers whole homes including central AC
  • +Remote start plus push-button electric start
  • +50A and 30A 240V outlets for any interlock/transfer setup
  • +19-hour gasoline runtime when NG isn't available
  • +CO sensor shutdown for safer semi-sheltered running
  • −NG output drops to 9,500 running watts
  • −Needs an adequately sized NG supply, and some units sputter or won't start on NG
  • −230 lbs is genuinely hard to maneuver
  • −Loud mid-70s dB under load
  • −Support and parts turnaround can be slow

Westinghouse WGen14500DFc

  • +50-amp 14-50R outlet feeds a transfer switch directly
  • +THD at or below 5% with copper windings is safe for electronics
  • +Up to 16 hrs on gas at 25% load from a 10.5 gal tank
  • −352 lbs and 74 dBA, the heaviest and loudest portable option listed
  • −Electric and key-fob start only, no recoil backup
  • −A 20 lb propane cylinder gives only about 4 hrs at half load
  • −Costs about as much as a small standby unit
  • −Not CARB compliant