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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 WT05571
  • VEVOR GF9700E-A2
  • Model WT05571
    Model WT05571

    Firman 5,500W Tri-Fuel Generator

    5500W
    Running
    67 dB
    Noise
    View details
  • Model GF9700E-A2
    Model GF9700E-A2

    VEVOR 7,000W Gas Generator

    7000W
    Running
    0 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 @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationFirman WT05571VEVOR GF9700E-A2
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterYesNo
Parallel capableYesNo
RV readyYesNo
Running watts
5500 W
Winner: Winner: 7000 W
Starting watts
6850 W
Winner: Winner: 9625 W
Noise (lower limit)
Winner: Winner: 67 dB
0 dB
Weight
Winner: Winner: 131.4 lbs
185.2 lbs
Run time @50% load
Not available—
Not available—
Run time @25% load
Winner: Winner: 14.5 h
Not available—
Fuel tank
5.3 gal
8.7 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
27.6 x 21.3 x 22.6
Not available—
Electrical
Voltage (AC)
120/240
Not available—
Voltage (DC)
12
Not available—
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
3 %
0 %
Engine
Engine
322 cc OHV 4-stroke, cast iron sleeve.
Not available—
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Not available—
Warranty
Warranty
3 years
0 years
Power by fuel
GasolineNot available—Not available—
Running watts
5500 W
7000 W
Starting watts
6850 W
9625 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
14.5 h
Not available—
Natural gasNot available—Not available—
Running watts
4500 W
Not available—
Starting watts
5500 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—
PropaneNot available—Not available—
Running watts
5000 W
Not available—
Starting watts
6250 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
9.5 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
Not available—
Not available—
Compliance
EPA, ANSI/PGMA G300-2023
Not available—
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
Bonded to frame
Not available—
UPC
840876155714
Not available—
Core / High-priority specs
Generator Type
Not available—
Generator
Running Watts (Gasoline)
5500
7000
Running Watts (Propane)
5000
Not available—
Running Watts (Natural Gas)
4500
Not available—
Starting Watts (Gasoline)
6850
9625
Starting Watts (Propane)
6250
Not available—
Starting Watts (Natural Gas)
5500
Not available—
Runtime @ 25% Load (Gasoline)
14.5
Not available—
Runtime @ 25% Load (Propane)
9.5
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Not available—
Electrical & power
Frequency
60
Not available—
Engine & construction
Engine Type
OHV 4-stroke
Not available—
Engine Displacement
322
Not available—
Cylinder Sleeve
cast iron sleeve
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14.5
Not available—
Outlets & connections
Transfer Switch ReadyNoNo
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Not available—
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Oil, funnel, tool kit, propane hose, and battery
Not available—
Included Accessories
Oil, funnel, tool kit, propane hose, and battery
Not available—
Warranty & identification
Commercial Warranty
3
Not available—
Additional specs
Summary
The Firman WT05571 is a 5,500-watt tri-fuel generator that runs on gasoline, propane, or natural gas. On gasoline, it delivers 6,850 starting watts and 5,500 running watts, enough to power a full home electrical panel during an outage or run multiple job site tools simultaneously. On propane, output drops to 6,250 starting and 5,000 running watts. On natural gas, it falls to 5,500 starting and 4,500 running watts. This fuel flexibility means users can switch between sources based on availability, cost, or storage preference without buying multiple generators. The tri-fuel capability makes this unit valuable for homeowners in regions with natural gas infrastructure, RV owners who can refill propane at any campground, and contractors who need to adapt to job site fuel availability. The 3 percent THD rating protects laptops, televisions, and other sensitive electronics from voltage spikes that damage circuits. At 67 decibels, the noise level sits between a typical conversation and heavy traffic, making it suitable for residential neighborhoods but audible enough that neighbors will know it is running.
The VEVOR GF9700E-A2 is a gasoline-powered generator rated at 7,000 running watts. This output level positions it to run multiple household circuits simultaneously, power job site tools, or serve as backup for a mid-sized home during an outage. The 9,625 peak wattage gives it headroom to start high-inrush appliances like air compressors and refrigeration units without stalling. With an 8.7 gallon fuel tank, the generator holds enough gasoline for extended operating sessions. The large tank capacity means fewer refueling interruptions during extended use, a practical advantage for remote job sites or emergency backup scenarios where frequent fuel runs are inconvenient.
  • Most Powerful
    VEVOR GF9700E-A2
    7000W running
  • Quietest
    Firman WT05571
    67 dB
  • Longest Runtime
    h at 50% load
Where to buy
Prices can change. We update these automatically.
Firman WT05571
Store links
No links yet.
VEVOR GF9700E-A2
Store links
No links yet.
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