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Westinghouse WGen9500DFc vs Pulsar PG12000B

Westinghouse WGen9500DFc vs Pulsar PG12000B

Westinghouse WGen9500DFc vs Pulsar PG12000B: both 9500W dual-fuel workhorses, but runtime, warranty, and surge power differ for home backup.

  • Pulsar PG12000B
  • Westinghouse WGen9500DFc

Comparison Overview

Analysis by AJ Quick
Mechanical engineer and founder of RightGenerator

Westinghouse’s WGen9500DFc edges ahead on surge capacity and stated light-load endurance, delivering 12,500 starting watts versus 12,000 on the Pulsar PG12000B, while both provide 9,500 running watts for big home-backup loads like a well pump plus fridge and lights.

In day-to-day use, they feel very similar: both are dual-fuel, both are non-inverter open-frame generators, and both are rated at 74 dB, so expect typical “contractor generator” loudness rather than campground-friendly quiet. Neither is ideal for sensitive electronics without a quality surge protector or external power conditioning.

Runtime is where the spec sheets separate. The Westinghouse lists 12 hours at 25% load and 8 hours at 50%, while the Pulsar lists 12 hours at 50% load (with no 25% figure provided). Weight is close, but the Pulsar is slightly lighter at 205 lb versus 212 lb.

If you value a longer warranty and higher starting headroom, the Westinghouse may fit better, while the Pulsar can appeal if you’re focused on mid-load runtime and slightly easier handling.

Key takeaways

  • Both deliver 9,500 running watts, suitable for multi-appliance home backup loads.
  • Westinghouse WGen9500DFc provides 12,500 starting watts for extra startup headroom.
  • Pulsar PG12000B offers 12,000 starting watts, close to Westinghouse for most loads.
  • Both are rated 74 dB, expect loud open-frame operation, not campground-quiet.
  • Westinghouse includes a 3-year warranty, Pulsar includes a 2-year warranty.
  • Pulsar weighs 205 lb versus Westinghouse at 212 lb, slightly easier to move.

Best use cases

Choose the Westinghouse WGen9500DFc if you want a little more cushion for hard-starting loads and longer ownership coverage. With 12,500 starting watts, it gives extra breathing room for appliances that spike at startup, like some well pumps, sump pumps, or larger central air components (when properly sized and connected). It also comes with a 3-year warranty, which can matter if this is your primary storm-backup plan and you expect it to sit ready for long periods between outages. The published runtime numbers also suggest it’s geared toward lighter, overnight “essentials” use, with 12 hours at 25% load, though real-world results will still depend heavily on fuel choice, temperature, and how steady your load is.

Choose the Pulsar PG12000B if your typical use is closer to a steady mid-level draw and you want slightly less weight to wrestle around. Pulsar lists 12 hours at 50% load, which can line up well with running a consistent mix of household circuits, a small job site setup, or a more continuous backup load where you are not trying to sip fuel at very low output. At 205 lb, it is still heavy, but marginally easier to move than the Westinghouse.

For camping and most RV parks, neither is a great match because both are 74 dB and not inverter models. For home backup or job site use where noise is less critical, both are more appropriate, with the tradeoff being Westinghouse’s higher surge and longer warranty versus Pulsar’s stated 50% runtime and slightly lower weight.

Verdict & recommendation

If your priority is maximum starting headroom for motor-driven appliances and a longer safety net, pick the Westinghouse WGen9500DFc with 12,500 starting watts and a 3-year warranty. If your priority is a spec sheet that emphasizes sustained mid-load operation and you want a slightly lighter unit to maneuver, the Pulsar PG12000B is compelling with 12 hours at 50% load and 205 lb weight.

Because both deliver 9,500 running watts, are dual-fuel, and sit at 74 dB, the decision mostly comes down to how you expect to load the generator and how much you value warranty length versus the Pulsar’s mid-load runtime claim. Match it to your typical outage plan or work pattern, and you’ll be happy with either.

Last updated February 25, 2026

  • Model PG12000B
    Model PG12000B

    Pulsar 9,500W Dual-Fuel Generator

    9500W
    Running
    74 dB
    Noise
    View details
  • Model WGen9500DFc
    Model WGen9500DFc

    Westinghouse 9,500W Dual-Fuel Generator

    9500W
    Running
    74 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
SpecificationPulsar PG12000BWestinghouse WGen9500DFc
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 9500 W
Winner: Winner: 9500 W
Starting watts
12000 W
Winner: Winner: 12500 W
Noise (lower limit)
Winner: Winner: 74 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 205 lbs
212 lbs
Run time @50% load
Winner: Winner: 12 h
8 h
Run time @25% load
Not available
12 h
Fuel tank
8 gal
6.6 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
28.5 x 21 x 22
27.2 x 26.1 x 26.5
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
12
Not available
GFCI outletsNoYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Not available
23 %
Engine
Engine
457 cc OHV 4-stroke
Westinghouse OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric, Remote
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
9500 W
9500 W
Starting watts
12000 W
12500 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
12 h
8 h
Run time @25% load
Not available
12 h
PropaneNot availableNot available
Running watts
8550 W
8500 W
Starting watts
10800 W
11200 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
5 h
7 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
CARB
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
814726025021
850011336663
Core / High-priority specs
Running Watts (Gasoline)
9500
9500
Running Watts (Propane)
8550
8500
Starting Watts (Gasoline)
12000
12500
Starting Watts (Propane)
10800
11200
Runtime @ 50% Load (Gasoline)
12
8
Runtime @ 50% Load (Propane)
5
7
Runtime @ 25% Load (Gasoline)
Not available
12
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
457
457
Cylinder Sleeve
Not available
cast iron
Engine Oil Type
10W-30
SAE 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
12
Runtime @ 50% Load (Gasoline)
12
8
Runtime @ 50% Load (Propane)
5
7
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Included Accessories
Funnel, tool kit, propane hose, battery, and wheel kit
Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit
Warranty & identification
Residential Warranty
2
Not available
Commercial Warranty
2
3
Additional specs
Summary
The Pulsar PG12000B is a 12,000-watt dual-fuel portable generator designed for reliable and robust power, featuring a 457cc OHV engine, electric push start, and a run time of up to 12 hours at 50% load.
The Westinghouse WGen9500DFc is a dual-fuel generator with a rated wattage of 9500 watts on gasoline and 8500 watts on propane, designed for versatile power needs.
  • Most Powerful
    Pulsar PG12000B
    9500W running
  • Quietest
    Pulsar PG12000B
    74 dB
  • Longest Runtime
    Pulsar PG12000B
    12h at 50% load
Where to buy
Prices can change. We update these automatically.
Pulsar PG12000B
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Westinghouse WGen9500DFc
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