Skip to content
Skip to main content

Compare Generators Side-by-Side

Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Westinghouse WGen11500TFc
  • AIVOLT VS12000411
  • Model WGen11500TFc
    Model WGen11500TFc

    Westinghouse 11,500W Tri-Fuel Generator

    11500W
    Running
    74 dB
    Noise
    View details
  • Model VS12000411
    Model VS12000411

    AIVOLT 9,000W Dual-Fuel Inverter Generator

    9000W
    Running
    60 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationWestinghouse WGen11500TFcAIVOLT VS12000411
General
Product type
Generator
Not available
Fuel
Tri-Fuel
Dual-Fuel
InverterNoYes
Parallel capableNoYes
RV readyNoNo
Running watts
Winner: Winner: 11500 W
9000 W
Starting watts
Winner: Winner: 14500 W
11250 W
Noise (lower limit)
74 dB
Winner: Winner: 60 dB
Weight
230 lbs
Winner: Winner: 220 lbs
Run time @50% load
Winner: Winner: 9.5 h
Not available
Run time @25% load
19 h
19 h
Fuel tank
9.5 gal
Not available
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
28.9 x 29.6 x 26.9
28.43L x 26.38W x 29.65H
Electrical
Voltage (AC)
120/240
120V/240V
Voltage (DC)
5
Not available
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
<5% %
3 %
Engine
Engine
550 cc OHV 4-stroke, cast iron sleeve
459cc 4-strokes OHV air-cooled
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Not available
Warranty
Warranty
3 years
Not available
Power by fuel
GasolineNot availableNot available
Running watts
11500 W
9000 W
Starting watts
14500 W
11250 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
9.5 h
Not available
Run time @25% load
19 h
19 h
Natural gasNot availableNot available
Running watts
9500 W
Not available
Starting watts
12000 W
Not available
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
Not available
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
10500 W
8450 W
Starting watts
13500 W
10570 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA, ANSI/PGMA G300-2023
Approved by the EPA and CARB
Security
Not available
Not available
Spark arrestorYesNo
Neutral
true
Not available
UPC
850032657457
Not available
Core / High-priority specs
Running Watts (Gasoline)
11500
9000
Running Watts (Propane)
10500
8450
Running Watts (Natural Gas)
9500
Not available
Starting Watts (Gasoline)
14500
11250
Starting Watts (Propane)
13500
10570
Starting Watts (Natural Gas)
12000
Not available
Runtime @ 50% Load (Gasoline)
9.5
Not available
Runtime @ 25% Load (Gasoline)
19
19
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
2 120V 20A 5-20R GFCI outlets, 1 120V 30A L5-30R, 1 120V/240V 30A L14-30R, 1 120V/240V 50A 14-50R
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
4 Stroke
Engine Displacement
550
459
Cylinder Sleeve
cast iron sleeve
Not available
Alternator Winding Material
Copper
100% copper
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
19
19
Runtime @ 50% Load (Gasoline)
9.5
Not available
Outlets & connections
Transfer Switch Compatibility
Not available
Yes
Controls & display
Display Type
Not available
LED display
Idle Control System
Not available
Eco switch
Safety & compliance
Overload Protection System
Low oil and overload protection
Built-in overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Fuel Connection Components
Not available
LPG hose with regulator
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, battery, and wheel kit
Remote controller, battery charger, oil funnel, tool kits
Warranty & identification
Commercial Warranty
3
Not available
Additional specs
Summary
The Westinghouse WGen11500TFc is a versatile tri-fuel portable generator capable of operating on gasoline, propane, or natural gas. It delivers up to 14,500 peak watts and 11,500 running watts on gasoline, making it suitable for home backup, job sites, or recreational use. The generator features a 550cc 4-Stroke OHV engine, electric start with remote key fob, and a CO sensor for safety. It offers a runtime of up to 19 hours on a 9.5-gallon fuel tank and includes multiple outlets for various applications.
The AIVOLT VS12000411 is a dual-fuel generator with a rated wattage of 9000 and a peak wattage of 11250. It features a 459cc 4-stroke OHV engine and includes electric and remote start options.
  • Most Powerful
    Westinghouse WGen11500TFc
    11500W running
  • Quietest
    AIVOLT VS12000411
    60 dB
  • Longest Runtime
    Westinghouse WGen11500TFc
    9.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Westinghouse WGen11500TFc
Store links
No links yet.
AIVOLT VS12000411
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.