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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.

  • Cummins Onan P2500i
  • DuroMax XP13000HX
  • Model Onan P2500i
    Model Onan P2500i

    Cummins 2,200W Gas Generator

    2200W
    Running
    52 dB
    Noise
    View details
  • Model XP13000HX
    Model XP13000HX

    DuroMax 10,500W Dual-Fuel Generator

    10500W
    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
SpecificationCummins Onan P2500iDuroMax XP13000HX
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterYesNo
Parallel capableYesNo
RV readyNoYes
Running watts
2200 W
Winner: Winner: 10500 W
Starting watts
2500 W
Winner: Winner: 13000 W
Noise (lower limit)
Winner: Winner: 52 dB
74 dB
Weight
Winner: Winner: 48 lbs
240 lbs
Run time @50% load
8 h
Winner: Winner: 8.5 h
Run time @25% load
10 h
17 h
Fuel tank
1 gal
8.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
19.8 x 10.5 x 18.3
29 x 30 x 26
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
12
Not available
GFCI outletsNoYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
<3% %
Not available
Engine
Engine
98 cc Ducar OHV 4-stroke engine
500 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
5 years
Power by fuel
GasolineNot availableNot available
Running watts
2200 W
10500 W
Starting watts
2500 W
13000 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
8.5 h
Run time @25% load
10 h
17 h
PropaneNot availableNot available
Running watts
Not available
9975 W
Starting watts
Not available
12350 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
3.2 h
Run time @25% load
Not available
6.5 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Not available
UPC
690781007918
811640016234
Core / High-priority specs
Running Watts (Gasoline)
2200
10500
Running Watts (Propane)
Not available
9975
Starting Watts (Gasoline)
2500
13000
Starting Watts (Propane)
Not available
12350
Runtime @ 50% Load (Gasoline)
8
8.5
Runtime @ 50% Load (Propane)
Not available
3.2
Runtime @ 25% Load (Gasoline)
10
17
Runtime @ 25% Load (Propane)
Not available
6.5
AC Outlet Types
1x Duplex 120V 20A (5-20R)
2x 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
Ducar OHV 4-stroke
OHV 4-stroke, cast iron sleeve
Engine Displacement
98
500
Cylinder Sleeve
Not available
Cast iron sleeve
Alternator Winding Material
Not available
Copper
Engine Oil Type
SAE 10W30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
10
17
Runtime @ 50% Load (Gasoline)
8
8.5
Runtime @ 50% Load (Propane)
Not available
3.2
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Not available
Recoil, Electric
Included Accessories
Oil, funnel, and tool kit
Funnel, tool kit, propane hose, battery, and wheel kit
Warranty & identification
Commercial Warranty
Not available
5
Additional specs
Summary
The Cummins Onan P2500i is a 2200-watt inverter generator built for users who need portable power without sacrificing runtime or noise control. At 48 pounds and measuring 19.8 by 10.5 by 18.3 inches, this unit bridges the gap between true portability and practical capacity. It can run a microwave, small refrigerator, or circular saw continuously, making it suitable for camping trips, job sites, tailgating, and emergency backup. The 1-gallon fuel tank delivers 10 hours at 25 percent load and 8 hours at 50 percent load, meaning most users refuel once per day rather than multiple times. The inverter topology produces clean power with less than 3 percent THD, which protects laptops, phone chargers, and sensitive electronics from voltage spikes. Cummins backs this unit with a 3-year warranty, longer than the 2.4-year average for comparable inverter generators. The 52 dBA noise level sits between a normal conversation and light traffic, allowing operation in noise-restricted campgrounds and residential neighborhoods without drawing complaints.
The DuroMax XP13000HX is a 10,500-watt dual-fuel generator built to power job sites, home backup systems, and RV setups without compromise. Running on gasoline or propane, this unit delivers 13,000 peak watts, enough to start large air compressors, well pumps, and multiple power tools simultaneously. The 500cc OHV engine with cast iron sleeve handles sustained loads that would overwhelm smaller portables. At 74 decibels, it operates quietly enough for residential neighborhoods, though the 240-pound frame demands serious planning for transport and storage.
  • Most Powerful
    DuroMax XP13000HX
    10500W running
  • Quietest
    Cummins Onan P2500i
    52 dB
  • Longest Runtime
    DuroMax XP13000HX
    8.5h at 50% load
Where to buy
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Cummins Onan P2500i
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DuroMax XP13000HX
Store links
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