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

  • Briggs & Stratton 30742
  • Westinghouse WGen7500
  • Model 30742
    Model 30742

    Briggs & Stratton 8,000W Gas Generator

    8000W
    Running
    0 dB
    Noise
    View details
  • Model WGen7500
    Model WGen7500

    Westinghouse 7,500W Gas Generator

    7500W
    Running
    72 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
SpecificationBriggs & Stratton 30742Westinghouse WGen7500
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 8000 W
7500 W
Starting watts
Winner: Winner: 10000 W
9500 W
Noise (lower limit)
0 dB
Winner: Winner: 72 dB
Weight
246 lbs
Winner: Winner: 196 lbs
Run time @50% load
9 h
Winner: Winner: 11 h
Run time @25% load
Not available
16 h
Fuel tank
7.5 gal
6.6 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
28.4 x 30.5 x 29.1
27.2 x 26.1 x 26
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
23 %
Engine
Engine
Briggs & Stratton OHV 4-stroke
Westinghouse OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
8000 W
7500 W
Starting watts
10000 W
9500 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 h
11 h
Run time @25% load
Not available
16 h
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Bonded to frame
Bonded to frame
UPC
11675307424
855464003988
Core / High-priority specs
Running Watts (Gasoline)
8000
7500
Starting Watts (Gasoline)
10000
9500
Runtime @ 50% Load (Gasoline)
9
11
Runtime @ 25% Load (Gasoline)
Not available
16
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Briggs & Stratton OHV 4-stroke
Westinghouse OHV 4-stroke, cast iron sleeve
Engine Displacement
420
420
Cylinder Sleeve
Not available
cast iron sleeve
Engine Oil Type
Not available
SAE 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
16
Runtime @ 50% Load (Gasoline)
9
11
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Recoil, Electric
Not available
Included Accessories
Oil, battery, and wheel kit
Oil, funnel, tool kit, battery charger, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available
Additional specs
Summary
The Briggs & Stratton 30742 is an 8,000-watt gasoline generator built for job sites and home backup power. Its 10,000-watt peak output handles motor startup surges, while the dual-voltage 120/240V configuration powers both household circuits and heavy equipment like air compressors or welders.
The Westinghouse WGen7500 is a portable generator designed for home backup power, offering 7,500 running watts and 9,500 peak watts. It features a 420cc 4-Stroke OHV Westinghouse Engine, push-button electric start with remote start key fob, and operates for up to 11 hours on a 6.6-gallon fuel tank. The generator includes two GFCI 120V duplex receptacles and one L14-30R 120/240V twist-lock receptacle, making it transfer switch ready.
  • Most Powerful
    Briggs & Stratton 30742
    8000W running
  • Quietest
    Westinghouse WGen7500
    72 dB
  • Longest Runtime
    Westinghouse WGen7500
    11h at 50% load
Where to buy
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Briggs & Stratton 30742
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Westinghouse WGen7500
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