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

  • Firman H03655
  • Predator 71341
  • Model H03655
    Model H03655

    Firman 3,650W Dual-Fuel Generator

    3650W
    Running
    67 dB
    Noise
    View details
  • Model 71341
    Model 71341

    Predator 1,400W Gas Generator

    1400W
    Running
    70.9 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 H03655Predator 71341
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 3650 W
1400 W
Starting watts
Winner: Winner: 4550 W
1800 W
Noise (lower limit)
Winner: Winner: 67 dB
70.9 dB
Weight
112 lbs
Winner: Winner: 60 lbs
Run time @50% load
Winner: Winner: 14 h
9.5 h
Run time @25% load
Not available
Not available
Fuel tank
5 gal
Not available
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
25.7 x 21.8 x 21.6
16,18.3,14
Electrical
Voltage (AC)
120V 60 Hz
120V AC
Voltage (DC)
Not available
12V DC
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
25 %
Not available
Engine
Engine
208 cc OHV 4-stroke, cast iron sleeve
Not available
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
Not available
Power by fuel
GasolineNot availableNot available
Running watts
3650 W
1400 W
Starting watts
4550 W
1800 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
14 h
9.5 h
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
3300 W
Not available
Starting watts
4100 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
Not available
Compliance
EPA, ANSI/PGMA G300-2023
EPA, PGMA-G300
Security
Not available
Not available
Spark arrestorYesNo
Neutral
Floating
Not available
UPC
840876136553
Not available
Core / High-priority specs
Running Watts (Gasoline)
3650
1400
Running Watts (Propane)
3300
Not available
Starting Watts (Gasoline)
4550
1800
Starting Watts (Propane)
4100
Not available
Runtime @ 50% Load (Gasoline)
14
9.5
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R)
Not available
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
208 cc OHV 4-stroke, cast iron sleeve
Not available
Engine Displacement
208
98
Cylinder Sleeve
cast iron sleeve
Not available
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
14
9.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Oil, funnel, tool kit, propane hose, and wheel kit
Not available
Included Accessories
Oil, funnel, tool kit, propane hose, and wheel kit
Oil funnel,spark plug wrench,DC charging cable with clamps,3V CR2032 battery
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
3
Not available
Additional specs
Summary
The Firman H03655 is a 3,650-watt dual-fuel generator built around a 208 cc OHV 4-stroke engine with a cast iron sleeve. Running on gasoline, it delivers 4,550 starting watts and 3,650 running watts. Switch to propane and output drops to 4,100 starting watts and 3,300 running watts. This power level runs a refrigerator, microwave, window air conditioner, or multiple power tools simultaneously. The dual-fuel flexibility means you can operate on whichever fuel is available, a practical advantage during extended outages or when propane storage is more convenient than gasoline. At 67 dB at quarter load, the H03655 operates quietly enough for residential neighborhoods without disturbing neighbors. The 5-gallon tank delivers 14 hours of runtime at 50 percent load on gasoline, translating to roughly one full day of moderate use before refueling. The RV-ready configuration and included wheel kit position this unit as a go-anywhere power source for camping, job sites, and home backup scenarios.
The Predator 71341 is a 1400-watt gasoline generator built for portable power in situations where you need steady electricity without the weight penalty of larger units. At 60 lbs, it sits at the threshold between grab-and-go portability and genuine stationary capability. The 1400-watt running output powers small job sites, RV setups, and home backup scenarios. Think laptop charging, power tools, small refrigerators, and LED lighting running simultaneously. The 1800-watt starting capacity handles the surge when compressors, pumps, and air conditioners first engage. Gasoline fuel means you refuel at any gas station and operate in remote locations where propane or natural gas lines do not exist.
  • Most Powerful
    Firman H03655
    3650W running
  • Quietest
    Firman H03655
    67 dB
  • Longest Runtime
    Firman H03655
    14h at 50% load
Where to buy
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Firman H03655
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Predator 71341
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