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  • DuroMax XP10000HX
  • Firman H07553
  • Model XP10000HX
    Model XP10000HX

    DuroMax 8,000W Dual-Fuel Generator

    8000W
    Running
    72 dB
    Noise
    View details
  • Model H07553
    Model H07553

    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
SpecificationDuroMax XP10000HXFirman H07553
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
Winner: Winner: 8000 W
7500 W
Starting watts
Winner: Winner: 10000 W
9400 W
Noise (lower limit)
Winner: Winner: 72 dB
74 dB
Weight
228 lbs
Winner: Winner: 212 lbs
Run time @50% load
10 h
Winner: Winner: 12 h
Run time @25% load
22 h
12 h
Fuel tank
8.3 gal
8 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29 x 30 x 26
30.2 x 27.5 x 26.3
Electrical
Voltage (AC)
120/240V 60 Hz
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
<12% %
25 %
Engine
Engine
440 cc OHV 4-stroke, cast iron sleeve
439 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil and Electric
Recoil; Electric
Warranty
Warranty
5 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
8000 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
10 h
12 h
Run time @25% load
22 h
Not available
PropaneNot availableNot available
Running watts
7600 W
6750 W
Starting watts
9500 W
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
4.5 h
Not available
Run time @25% load
8.5 h
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA
CARB, EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
811640016210
840876175538
Core / High-priority specs
Running Watts (Gasoline)
8000
7500
Running Watts (Propane)
7600
6750
Starting Watts (Gasoline)
10000
9400
Starting Watts (Propane)
9500
8450
Runtime @ 50% Load (Gasoline)
10
12
Runtime @ 50% Load (Propane)
4.5
Not available
Runtime @ 25% Load (Gasoline)
22
Not available
Runtime @ 25% Load (Propane)
8.5
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
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
OHV 4-stroke, cast iron sleeve
439 cc OHV 4-stroke, cast iron sleeve
Engine Displacement
440
439
Cylinder Sleeve
Cast iron sleeve
Cast iron sleeve
Alternator Winding Material
Copper windings
Not available
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
22
Not available
Runtime @ 50% Load (Gasoline)
10
12
Runtime @ 50% Load (Propane)
4.5
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Yes
Not available
Starting Components
Recoil, Electric
Recoil, Electric
Included Accessories
Funnel, tool kit, propane hose, battery, and wheel kit
Oil, funnel, tool kit, extension cord, propane hose, cover, battery, and wheel kit
Warranty & identification
Residential Warranty
5
Not available
Commercial Warranty
5
3
Additional specs
Summary
The DuroMax XP10000HX is a dual-fuel generator with a rated wattage of 8000 watts and a peak wattage of 10000 watts, designed to operate on gasoline or propane. It features a powerful 440 cc OHV 4-stroke engine and is suitable for heavy-duty applications.
The Firman H07553 is a 7500-watt dual-fuel generator built around a 439cc cast iron sleeve engine that runs on either gasoline or propane. At 7500 running watts, this unit powers multiple household circuits simultaneously. A refrigerator, microwave, and several lights draw roughly 4000 watts combined, leaving 3500 watts for additional loads like a window air conditioner or power tools. The dual-fuel design means users can switch between fuel sources based on availability and cost, extending the operational window during extended outages or remote deployments.
  • Most Powerful
    DuroMax XP10000HX
    8000W running
  • Quietest
    DuroMax XP10000HX
    72 dB
  • Longest Runtime
    Firman H07553
    12h at 50% load
Where to buy
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DuroMax XP10000HX
Store links
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Firman H07553
Store links
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