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  • DuroMax XP9500iH
  • Generac #8947 iQ5200DF
  • Model XP9500iH
    Model XP9500iH

    DuroMax 7,600W Dual-Fuel Generator

    7600W
    Running
    61 dB
    Noise
    View details
  • Model #8947 iQ5200DF
    Model #8947 iQ5200DF

    Generac 3,900W Dual-Fuel Generator

    3900W
    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 @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationDuroMax XP9500iHGenerac #8947 iQ5200DF
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyYesNo
Running watts
Winner: Winner: 7600 W
3900 W
Starting watts
Winner: Winner: 9500 W
5200 W
Noise (lower limit)
Winner: Winner: 61 dB
0 dB
Weight
216 lbs
Winner: Winner: 107 lbs
Run time @50% load
Winner: Winner: 11 h
9 h
Run time @25% load
21 h
15 h
Fuel tank
7.1 gal
3.2 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
26.2 x 25 x 29.6
24.6 x 20.3 x 22.5
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
Not available
5
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
3 %
<3% %
Engine
Engine
459 cc OHV 4-stroke, cast iron sleeve.
223 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil, Electric
Warranty
Warranty
5 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
Not available
3900 W
Starting watts
9500 W
5200 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
11 h
9 h
Run time @25% load
21 h
15 h
PropaneNot availableNot available
Running watts
7200 W
3500 W
Starting watts
9025 W
4700 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
5 h
11 h
Run time @25% load
9.5 h
20 h
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
EPA
CARB, EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
811640017026
696471104509
Core / High-priority specs
Running Watts (Gasoline)
Not available
3900
Running Watts (Propane)
7200
3500
Starting Watts (Gasoline)
9500
5200
Starting Watts (Propane)
9025
4700
Runtime @ 50% Load (Gasoline)
11
9
Runtime @ 50% Load (Propane)
5
11
Runtime @ 25% Load (Gasoline)
21
15
Runtime @ 25% Load (Propane)
9.5
20
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
459 cc OHV 4-stroke, cast iron sleeve.
OHV 4-stroke
Engine Displacement
459
223
Cylinder Sleeve
cast_iron_sleeve
Not available
Alternator Winding Material
Copper
Not available
Engine Oil Type
10W-30
10W-30 / SAE 30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
21
15
Runtime @ 50% Load (Gasoline)
11
9
Runtime @ 50% Load (Propane)
5
11
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available
Oil, funnel, tool kit, propane hose, and battery
Included Accessories
Funnel, tool kit, key fob, battery charger, propane hose, and battery
Oil, funnel, tool kit, propane hose, and battery
Warranty & identification
Commercial Warranty
5
Not available
Part Number
Not available
8947, 8945
Additional specs
Summary
The DuroMax XP9500iH is a 7,600-watt dual-fuel inverter generator built for whole-home backup and job-site power. Running on either gasoline or propane, it delivers 9,500 starting watts to handle motor inrush demands from air conditioners, well pumps, and power tools. The inverter produces clean 3% THD power, meaning laptops, televisions, and medical equipment run safely without risk of voltage spikes. This is a stationary or semi-portable unit. At 216 pounds, it requires wheels or multiple people to move, making it suited for permanent installation or fixed-location backup rather than frequent relocation. The fuel flexibility matters in extended outages. Gasoline runs 11 hours at half load before refueling, while propane stretches to 5 hours at the same draw. At quarter load, gasoline delivers 21 hours of runtime, propane 9.5 hours. For homeowners choosing between fuel types, gasoline offers longer intervals between refills, propane offers cleaner storage and no fuel degradation over months.
The Generac iQ5200DF is a 3,900-watt dual-fuel inverter generator that bridges emergency home backup and recreational use. At this output level, it powers essential circuits like refrigerators, sump pumps, and window air conditioners simultaneously, but not a full house or central HVAC. The dual-fuel design lets owners switch between gasoline and propane based on availability, a genuine advantage when supply chains break down during extended outages. Because the iQ5200DF produces electronically regulated current with less than 3% THD, laptops, flat-screen TVs, CPAP machines, and smart home devices run safely without voltage-related risk.
  • Most Powerful
    DuroMax XP9500iH
    7600W running
  • Quietest
    DuroMax XP9500iH
    61 dB
  • Longest Runtime
    DuroMax XP9500iH
    11h at 50% load
Where to buy
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DuroMax XP9500iH
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Generac #8947 iQ5200DF
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