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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 W03386
  • Ryobi RYi2500
  • Model W03386
    Model W03386

    Firman 3,300W Gas Generator

    3300W
    Running
    58 dB
    Noise
    View details
  • Model RYi2500
    Model RYi2500

    Ryobi 1,850W Gas Generator

    1850W
    Running
    69 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 W03386Ryobi RYi2500
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyYesNo
Running watts
Winner: Winner: 3300 W
1850 W
Starting watts
Winner: Winner: 3650 W
2500 W
Noise (lower limit)
Winner: Winner: 58 dB
69 dB
Weight
91 lbs
Winner: Winner: 50 lbs
Run time @50% load
Not available
Winner: Winner: 7.5 h
Run time @25% load
9 h
Not available
Fuel tank
1.8 gal
1.2 gal
Fuel gaugeNoNo
Approx. dimensions (L × W × H)
23.2 x 17.8 x 17.9
18.5 x 11.5 x 18
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
Not available
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<3% %
3 %
Engine
Engine
193 cc OHV 4-stroke, cast iron sleeve.
79 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3300 W
1850 W
Starting watts
3650 W
2500 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
7.5 h
Run time @25% load
9 h
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
Not available
UPC
840876133866
46396056016
Core / High-priority specs
Running Watts (Gasoline)
3300
1850
Starting Watts (Gasoline)
3650
2500
Runtime @ 50% Load (Gasoline)
Not available
7.5
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)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
193
79
Cylinder Sleeve
cast iron sleeve
Not available
Engine Oil Type
See 'Add Engine Oil' Section
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
9
Not available
Runtime @ 50% Load (Gasoline)
Not available
7.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, battery charging cables, and battery
Oil, funnel, and tool kit
Warranty & identification
Commercial Warranty
3
Not available
Additional specs
Summary
The Firman W03386 is a 3,300-watt inverter generator built for RV camping, emergency backup, and light job site work. Its 3,650-watt peak capacity handles startup surges from air conditioning units, refrigerators, and power tools without strain. Because the unit runs on gasoline with a 1.8-gallon tank, users get up to 9 hours of runtime at 25% load before refueling. The inverter topology and sub-3% THD output means laptops, smartphones, and sensitive electronics charge safely without voltage spikes that damage circuitry. At 58 dB, it operates at conversational volume, making it acceptable for residential neighborhoods and campgrounds where noise restrictions apply. This is a mid-sized workhorse for users who need portable power without the weight penalty of larger stationary units.
The Ryobi RYi2500 is a 2500-Watt Recoil Start Gas Powered Inverter Generator equipped with CO Shutdown, designed for quiet operation and ideal for tailgates, camping, and recreational use.
  • Most Powerful
    Firman W03386
    3300W running
  • Quietest
    Firman W03386
    58 dB
  • Longest Runtime
    Ryobi RYi2500
    7.5h at 50% load
Where to buy
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Firman W03386
Store links
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Ryobi RYi2500
Store links
No links yet.
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