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  • Champion Power Equipment 201223
  • Firman W03383
  • Model 201223
    Model 201223

    Champion Power Equipment 4,000W Tri-Fuel Generator

    4000W
    Running
    68 dB
    Noise
    View details
  • Model W03383
    Model W03383

    Firman 3,300W Gas Generator

    3300W
    Running
    58 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
SpecificationChampion Power Equipment 201223Firman W03383
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterNoYes
Parallel capableNoYes
RV readyYesYes
Running watts
Winner: Winner: 4000 W
3300 W
Starting watts
Winner: Winner: 5000 W
3650 W
Noise (lower limit)
68 dB
Winner: Winner: 58 dB
Weight
128 lbs
Winner: Winner: 91 lbs
Run time @50% load
Winner: Winner: 14 h
Not available
Run time @25% load
Not available
9 h
Fuel tank
5 gal
1.8 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
24.6 x 25 x 22.2 in
23.2 x 17.8 x 17.9
Electrical
Voltage (AC)
120
120
Voltage (DC)
Not available
12
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<5% %
<3% %
Engine
Engine
224 cc OHV 4-stroke
193 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Not available
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
Not available
3300 W
Starting watts
5000 W
3650 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
9 h
Natural gasNot availableNot available
Running watts
3240 W
Not available
Starting watts
Not available
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
Not available
Not available
Starting watts
4500 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
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Not available
UPC
817198026312
840876133835
Core / High-priority specs
Running Watts (Gasoline)
Not available
3300
Running Watts (Natural Gas)
3240
Not available
Starting Watts (Gasoline)
5000
3650
Starting Watts (Propane)
4500
Not available
Runtime @ 25% Load (Gasoline)
Not available
9
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 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
224
193
Cylinder Sleeve
Not available
cast iron sleeve
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
9
Controls & display
Display Type
Data centerVFT
Not available
Safety & compliance
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Oil, funnel, natural gas hose with NPT adapter, propane hose, battery, and wheel kit
Oil, funnel, tool kit, key fob, battery charger, battery charging cables, and battery
Additional specs
Summary
The Champion Power Equipment 201223 is a 4000-watt tri-fuel portable generator with electric start and CO Shield® technology, capable of operating on gasoline, propane, or natural gas.
The Firman W03383 is a 3300-watt inverter generator built around a 193cc OHV 4-stroke engine with a cast iron sleeve. At this wattage, it can run a refrigerator, microwave, and several lights simultaneously, or power essential household circuits during an outage. The inverter technology keeps total harmonic distortion below 3%, which protects laptops, smartphones, and other sensitive electronics from voltage spikes. This unit bridges the gap between lightweight portables and mid-range backup power, making it useful for both recreational trips and emergency home backup.
  • Most Powerful
    Champion Power Equipment 201223
    4000W running
  • Quietest
    Firman W03383
    58 dB
  • Longest Runtime
    Champion Power Equipment 201223
    14h at 50% load
Where to buy
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Champion Power Equipment 201223
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Firman W03383
Store links
No links yet.
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