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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.

  • Firman W03082
  • Pulsar PG4000BiSRCO
  • Model W03082
    Model W03082

    Firman 3,000W Gas Generator

    3000W
    Running
    58 dB
    Noise
    View details
  • Model PG4000BiSRCO
    Model PG4000BiSRCO

    Pulsar 3,200W Dual-Fuel Generator

    3200W
    Running
    65 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
SpecificationFirman W03082Pulsar PG4000BiSRCO
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyYesYes
Running watts
3000 W
Winner: Winner: 3200 W
Starting watts
3300 W
Winner: Winner: 4000 W
Noise (lower limit)
Winner: Winner: 58 dB
65 dB
Weight
90 lbs
Winner: Winner: 54 lbs
Run time @50% load
Not available—
Winner: Winner: 6 h
Run time @25% load
9 h
Not available—
Fuel tank
1.8 gal
1.6 gal
Fuel gaugeNoNo
Approx. dimensions (L × W × H)
23.2 x 17.8 x 17.9
21 x 11 x 19.5
Electrical
Voltage (AC)
120V 60 Hz
120
Voltage (DC)
12V
12
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<3% %
≤3% %
Engine
Engine
171 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
141 cc OHV 4-stroke.
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3000 W
3200 W
Starting watts
3300 W
4000 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—
6 h
Run time @25% load
9 h
Not available—
PropaneNot available—Not available—
Running watts
Not available—
2800 W
Starting watts
Not available—
3600 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—
13.2 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
CARB, EPA
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Floating
Floating.
UPC
840876130827
814726028138
Core / High-priority specs
Running Watts (Gasoline)
3000
3200
Running Watts (Propane)
Not available—
2800
Starting Watts (Gasoline)
3300
4000
Starting Watts (Propane)
Not available—
3600
Runtime @ 50% Load (Gasoline)
Not available—
6
Runtime @ 50% Load (Propane)
Not available—
13.2
Runtime @ 25% Load (Gasoline)
9
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke.
Engine Displacement
171
141
Cylinder Sleeve
Cast iron sleeve
Not available—
Engine Oil Type
Not available—
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
9
Not available—
Runtime @ 50% Load (Gasoline)
Not available—
6
Runtime @ 50% Load (Propane)
Not available—
13.2
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Not available—
Recoil, Electric, Remote
Included Accessories
Oil, funnel, tool kit, battery charger, battery charging cables, and battery
Oil, tool kit, key fob, propane hose, and battery
Warranty & identification
Commercial Warranty
3
3
Additional specs
Summary
The Firman W03082 is a 3000-watt inverter generator built around a 171cc OHV 4-stroke engine. At this wattage, it can power most household appliances simultaneously: a refrigerator (600W), microwave (1000W), and several lights and chargers without strain. The 3300-watt peak handles motor startup surges for tools like circular saws or air compressors. Because it runs on gasoline with a 1.8-gallon tank, refueling happens frequently at higher loads, but the 9-hour runtime at 25% load means light-duty camping or backup power runs through a full day without interruption. The inverter topology keeps total harmonic distortion below 3%, which means laptops, phones, and sensitive medical equipment charge safely without risk of damage from dirty power.
The Pulsar PG4000BiSRCO is a versatile dual fuel inverter generator designed for both gasoline and propane use, delivering up to 4000 peak watts and 3200 running watts. It features remote and electric start options, is RV-ready, and includes CO Sentry technology for safety.
  • Most Powerful
    Pulsar PG4000BiSRCO
    3200W running
  • Quietest
    Firman W03082
    58 dB
  • Longest Runtime
    Pulsar PG4000BiSRCO
    6h at 50% load
Where to buy
Prices can change. We update these automatically.
Firman W03082
Store links
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Pulsar PG4000BiSRCO
Store links
No links yet.
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