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  • DuroMax XP9500iH
  • Cat RP6500 E
  • Model XP9500iH
    Model XP9500iH

    DuroMax 7,600W Dual-Fuel Generator

    7600W
    Running
    61 dB
    Noise
    View details
  • Model RP6500 E
    Model RP6500 E

    Cat 6,500W Gas Generator

    6500W
    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 XP9500iHCat RP6500 E
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterYesNo
Parallel capableYesNo
RV readyYesNo
Running watts
Winner: Winner: 7600 W
6500 W
Starting watts
Winner: Winner: 9500 W
8125 W
Noise (lower limit)
Winner: Winner: 61 dB
0 dB
Weight
216 lbs
Winner: Winner: 202 lbs
Run time @50% load
11 h
Winner: Winner: 12 h
Run time @25% load
21 h
Not available
Fuel tank
7.1 gal
7.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
26.2 x 25 x 29.6
32.9 x 27.4 x 24.7
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
3 %
Not available
Engine
Engine
459 cc OHV 4-stroke, cast iron sleeve.
420 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil, Electric
Warranty
Warranty
5 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
Not available
6500 W
Starting watts
9500 W
8125 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
12 h
Run time @25% load
21 h
Not available
PropaneNot availableNot available
Running watts
7200 W
Not available
Starting watts
9025 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
5 h
Not available
Run time @25% load
9.5 h
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
811640017026
815683020067
Core / High-priority specs
Running Watts (Gasoline)
Not available
6500
Running Watts (Propane)
7200
Not available
Starting Watts (Gasoline)
9500
8125
Starting Watts (Propane)
9025
Not available
Runtime @ 50% Load (Gasoline)
11
12
Runtime @ 50% Load (Propane)
5
Not available
Runtime @ 25% Load (Gasoline)
21
Not available
Runtime @ 25% Load (Propane)
9.5
Not available
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); 1x 120/240V 30A (L14-30R); 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
420
Cylinder Sleeve
cast_iron_sleeve
Not available
Alternator Winding Material
Copper
Not available
Engine Oil Type
10W-30
SAE 30 or 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
21
Not available
Runtime @ 50% Load (Gasoline)
11
12
Runtime @ 50% Load (Propane)
5
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Not available
Recoil, Electric
Included Accessories
Funnel, tool kit, key fob, battery charger, propane hose, and battery
Oil, funnel, tool kit, battery, and wheel kit
Warranty & identification
Commercial Warranty
5
Not available
Part Number
Not available
502-3688
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 Cat RP6500 E is a 6500-watt gasoline generator built for residential backup and light commercial work. Its 8125-watt peak capacity means it can start large tools and appliances that draw high inrush current, then sustain 6500 watts of continuous power for multiple devices simultaneously. A 7.9-gallon fuel tank delivers 12 hours of runtime at 50% load, which translates to roughly one full workday or overnight backup without refueling. The gasoline engine is straightforward to maintain and refuel anywhere, making this unit practical for job sites, outdoor events, and emergency home power.
  • Most Powerful
    DuroMax XP9500iH
    7600W running
  • Quietest
    DuroMax XP9500iH
    61 dB
  • Longest Runtime
    Cat RP6500 E
    12h at 50% load
Where to buy
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DuroMax XP9500iH
Store links
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Cat RP6500 E
Store links
No links yet.
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