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  • ECHO EG-10000
  • Firman H07552
  • Model EG-10000
    Model EG-10000

    ECHO 7,500W Gas Generator

    7500W
    Running
    84 dB
    Noise
    View details
  • Model H07552
    Model H07552

    Firman 7,500W Dual-Fuel Generator

    7500W
    Running
    74 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
SpecificationECHO EG-10000Firman H07552
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 7500 W
Winner: Winner: 7500 W
Starting watts
Winner: Winner: 10000 W
9400 W
Noise (lower limit)
84 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 212 lbs
Winner: Winner: 212 lbs
Run time @50% load
8 h
Winner: Winner: 12 h
Run time @25% load
Not available
12 h
Fuel tank
6.6 gal
8 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29 x 27 x 24
30.2 x 27.5 x 26.3
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
12
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
25 %
Engine
Engine
420 cc Rato OHV 4-stroke
439 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
7500 W
7500 W
Starting watts
10000 W
9400 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
8 h
12 h
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
Not available
6750 W
Starting watts
Not available
8450 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
5 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Bonded to frame
true
UPC
743184017593
840876175521
Core / High-priority specs
Running Watts (Gasoline)
7500
7500
Running Watts (Propane)
Not available
6750
Starting Watts (Gasoline)
10000
9400
Starting Watts (Propane)
Not available
8450
Runtime @ 50% Load (Gasoline)
8
12
Runtime @ 50% Load (Propane)
Not available
5
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Rato OHV 4-stroke
OHV 4-stroke, cast iron sleeve
Engine Displacement
420
439
Cylinder Sleeve
Not available
cast iron sleeve
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
8
12
Runtime @ 50% Load (Propane)
Not available
5
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoNo
Included equipment
Mobility Components
Not available
Yes
Starting Components
Recoil, Electric
Not available
Included Accessories
Battery and wheel kit
Not available
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
3
Not available
Additional specs
Summary
The ECHO EG-10000 is a 7,500-watt running generator built around a 420 cc Rato OHV 4-stroke engine. Peak output reaches 10,000 watts, making it capable of powering multiple heavy appliances and job site tools simultaneously. A 6.6-gallon fuel tank delivers 8 hours of runtime at 50% load, which means users can sustain mid-range power draws through a full workday without refueling. The gasoline engine and dual starting system (recoil and electric) give users flexibility in how they bring the unit online. This is a stationary or semi-portable workhorse, not a grab-and-go unit.
The Firman H07552 is a 7500-watt dual-fuel generator built for job sites, home backup, and extended outdoor use. On gasoline, it delivers 9400 starting watts and 7500 running watts. Switch to propane and output drops to 8450 starting watts and 6750 running watts, a trade-off that extends fuel flexibility but reduces peak capacity. The 439cc cast-iron-sleeve engine runs on either fuel, giving users the ability to source power based on availability and cost. With an 8-gallon tank, this generator runs 12 hours at 25% load on gasoline or 5 hours on propane, meaning refueling intervals depend heavily on fuel choice and load demand. This wattage class powers most household circuits simultaneously. A 7500-watt generator can run a central air conditioning unit (3500 watts), a water heater (4000 watts), and lighting circuits without overload. For contractors, it handles multiple power tools, compressors, and site lighting. The dual-fuel option appeals to users who want propane backup when gasoline becomes scarce or expensive, though the runtime penalty on propane means job-site users will refuel more frequently.
  • Most Powerful
    ECHO EG-10000
    7500W running
  • Quietest
    Firman H07552
    74 dB
  • Longest Runtime
    Firman H07552
    12h at 50% load
Where to buy
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ECHO EG-10000
Store links
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Firman H07552
Store links
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