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Firman H03655 vs Champion 201393

Firman H03655 vs Champion 201393

Comparing the Firman H03655 and Champion 201393 dual-fuel generators. See how these similarly priced mid-range models differ in power, weight, and real-world use.

  • Firman H03655
  • Champion Power Equipment 201393

Comparison Overview

These two dual-fuel conventional generators occupy very similar territory, making the differences between them worth examining closely. The Champion 201393 edges ahead in raw power with 3800 running watts and 4750 starting watts, compared to the Firman H03655's 3650 running watts and 4550 starting watts. That extra 150 running watts and 200 starting watts could matter when you're running multiple appliances or need to start a demanding motor load.

On the flip side, the Firman H03655 is noticeably lighter at 112 pounds versus the Champion's 133 pounds, a 21-pound difference that makes a real impact when loading it into a truck bed or moving it around a property. Both generators share the same 14-hour runtime at 50% load, produce comparable noise levels (67 dB for the Firman, 68 dB for the Champion), and come with matching 3-year warranties. Neither is an inverter generator, so sensitive electronics should be powered through a surge protector.

The Firman H03655 carries a higher overall score of 6.79 compared to the Champion's 5.79, suggesting stronger marks across build quality and features. Buyers who prioritize portability and overall refinement may lean toward the Firman, while those who need every extra watt of power will appreciate what the Champion brings to the table.

Key takeaways

  • Firman H03655 weighs 112 lbs, a full 21 pounds lighter than the Champion at 133 lbs
  • Champion 201393 delivers 3800 running watts and 4750 starting watts for more power headroom
  • Both offer dual-fuel capability, running on either gasoline or propane
  • Both provide 14 hours of runtime at 50% load and carry 3-year warranties
  • Firman scores 6.79 overall compared to Champion's 5.79, suggesting stronger build and features
  • Both produce similar noise levels at 67 dB and 68 dB respectively

Best use cases

Choose the Firman H03655 if portability is a priority. At 112 pounds, it's over 20 pounds lighter than the Champion, which makes a meaningful difference if you're frequently transporting it between locations, lifting it into a vehicle, or repositioning it around your home during an outage. Its 3650 running watts still provide plenty of capacity for essentials like a refrigerator, sump pump, lights, and a window AC unit. The slightly lower noise output of 67 dB is a small but welcome bonus if you're running it near living spaces or campsites. Its higher overall score also suggests it may offer a more polished ownership experience in terms of build quality, ease of starting, and outlet layout.

Choose the Champion 201393 if you need the extra headroom in power output. The 3800 running watts and 4750 starting watts give you a wider margin for running multiple high-draw appliances simultaneously or handling tools with demanding startup surges. Champion Power Equipment also has a well-established reputation for customer support and parts availability, which can be reassuring for long-term ownership. If the generator will mostly stay in one place, like a garage or shed ready for emergency backup, the extra 21 pounds is far less of a concern.

Both models run on gasoline or propane, giving you fuel flexibility during emergencies when one type may be easier to find. Both deliver 14 hours of runtime at half load on gasoline and include the same 3-year warranty coverage. Since neither is an inverter model, avoid plugging in laptops or other sensitive electronics directly without a quality surge protector or power conditioner.

Verdict & recommendation

If your priority is a lighter, more portable generator with a strong overall feature set, the Firman H03655 is the better pick. Its 112-pound weight and slightly quieter operation make it easier to live with day to day, and its higher overall score reflects a well-rounded package. If you need more watts and plan to keep the generator relatively stationary for home backup or job site use, the Champion 201393's extra 150 running watts and 200 starting watts provide a useful power advantage.

Both generators share the same runtime, warranty, and dual-fuel flexibility, so neither choice involves a major compromise. Your decision really comes down to whether you value portability or peak power output more for your specific situation.

Last updated March 21, 2026

  • Model H03655
    Model H03655

    Firman 3,650W Dual-Fuel Generator

    3650W
    Running
    67 dB
    Noise
    View details
  • Model 201393
    Model 201393

    Champion Power Equipment 3,800W Dual-Fuel Generator

    3800W
    Running
    68 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 H03655Champion Power Equipment 201393
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
3650 W
Winner: Winner: 3800 W
Starting watts
4550 W
Winner: Winner: 4750 W
Noise (lower limit)
Winner: Winner: 67 dB
68 dB
Weight
Winner: Winner: 112 lbs
133 lbs
Run time @50% load
Winner: Winner: 14 h
Winner: Winner: 14 h
Run time @25% load
Not available
Not available
Fuel tank
5 gal
4.7 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
25.7 x 21.8 x 21.6
24.7 x 25 x 22.2
Electrical
Voltage (AC)
120V 60 Hz
120
Voltage (DC)
Not available
Not available
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
25 %
Not available
Engine
Engine
208 cc OHV 4-stroke, cast iron sleeve
224 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3650 W
3800 W
Starting watts
4550 W
4750 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
14 h
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
3300 W
3420 W
Starting watts
4100 W
4275 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
10.5 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
840876136553
817198027739
Core / High-priority specs
Running Watts (Gasoline)
3650
3800
Running Watts (Propane)
3300
3420
Starting Watts (Gasoline)
4550
4750
Starting Watts (Propane)
4100
4275
Runtime @ 50% Load (Gasoline)
14
14
Runtime @ 50% Load (Propane)
Not available
10.5
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 (L5-30R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
208 cc OHV 4-stroke, cast iron sleeve
OHV 4-stroke
Engine Displacement
208
224
Cylinder Sleeve
cast iron sleeve
Not available
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
14
14
Runtime @ 50% Load (Propane)
Not available
10.5
Controls & display
Display Type
Not available
VFT
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
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, propane hose, battery, and wheel kit
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
3
3
Part Number
Not available
201052
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 Champion Power Equipment 3800-Watt Electric Start Dual Fuel RV Ready Portable Generator with CO Shield® is perfect for camping, tailgating, RV use, or as a reliable backup for home essentials.
  • Most Powerful
    Champion Power Equipment 201393
    3800W 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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Champion Power Equipment 201393
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