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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.

  • Champion Power Equipment 201160
  • Firman H03655
  • Model 201160
    Model 201160

    Champion Power Equipment 12,000W Gas Generator

    12000W
    Running
    78 dB
    Noise
    View details
  • Model H03655
    Model H03655

    Firman 3,650W Dual-Fuel Generator

    3650W
    Running
    67 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 201160Firman H03655
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 12000 W
3650 W
Starting watts
Winner: Winner: 15000 W
4550 W
Noise (lower limit)
78 dB
Winner: Winner: 67 dB
Weight
328.7 lbs
Winner: Winner: 112 lbs
Run time @50% load
9 h
Winner: Winner: 14 h
Run time @25% load
Not available—
Not available—
Fuel tank
11 gal
5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
33 x 33.7 x 33.1 in
25.7 x 21.8 x 21.6
Electrical
Voltage (AC)
120/240
120V 60 Hz
Voltage (DC)
Not available—
Not available—
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
20 %
25 %
Engine
Engine
717 cc V-Twin
208 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available—
Not available—
Starting system
Electric
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
Not available—
3650 W
Starting watts
Not available—
4550 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—
14 h
Run time @25% load
Not available—
Not available—
PropaneNot available—Not available—
Running watts
Not available—
3300 W
Starting watts
Not available—
4100 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—
Not available—
Other
Data center
Not available—
Not available—
Indicators
false
false
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
Floating
UPC
817198025766
840876136553
Core / High-priority specs
Running Watts (Gasoline)
Not available—
3650
Running Watts (Propane)
Not available—
3300
Starting Watts (Gasoline)
Not available—
4550
Starting Watts (Propane)
Not available—
4100
Runtime @ 50% Load (Gasoline)
Not available—
14
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
V-Twin
208 cc OHV 4-stroke, cast iron sleeve
Engine Displacement
717
208
Cylinder Sleeve
Not available—
cast iron sleeve
Engine Oil Type
5W-30
Not available—
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
Not available—
14
Safety & compliance
Overload Protection System
Not available—
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available—
Oil, funnel, tool kit, propane hose, and wheel kit
Included Accessories
Oil, funnel, battery, and wheel kit
Oil, funnel, tool kit, propane hose, and wheel kit
Warranty & identification
Residential Warranty
Not available—
3
Commercial Warranty
Not available—
3
Additional specs
Summary
The Champion Power Equipment 201160 is a 12,000-watt portable generator featuring a 717cc Milwaukee Series V-Twin Engine with electric start, designed for home backup during outages or powering large equipment.
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.
  • Most Powerful
    Champion Power Equipment 201160
    12000W running
  • Quietest
    Firman H03655
    67 dB
  • Longest Runtime
    Firman H03655
    14h at 50% load
Where to buy
Prices can change. We update these automatically.
Champion Power Equipment 201160
Store links
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Firman H03655
Store links
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