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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 P5000iDF EFI
  • NorthStar e14000s
  • Model Onan P5000iDF EFI
    Model Onan P5000iDF EFI

    Cummins 3,900W Dual-Fuel Generator

    3900W
    Running
    52 dB
    Noise
    View details
  • Model e14000s
    Model e14000s

    NorthStar 12,000W Gas Generator

    12000W
    Running
    73 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 P5000iDF EFINorthStar e14000s
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterYesNo
Parallel capableYesNo
RV readyYesNo
Running watts
3900 W
Winner: Winner: 12000 W
Starting watts
5000 W
Winner: Winner: 14000 W
Noise (lower limit)
Winner: Winner: 52 dB
73 dB
Weight
Winner: Winner: 108 lbs
388 lbs
Run time @50% load
Winner: Winner: 13 h
10 h
Run time @25% load
16.8 h
Not available
Fuel tank
3.4 gal
12 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
25.1 x 18.1 x 21.2
43 x 36 x 35
Electrical
Voltage (AC)
120
120/240 60 Hz
Voltage (DC)
5
Not available
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
3 %
<5% %
Engine
Engine
224 cc OHV 4-stroke
NorthStar e670 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Electric
Warranty
Warranty
3 years
4 years
Power by fuel
GasolineNot availableNot available
Running watts
3900 W
12000 W
Starting watts
5000 W
14000 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
13 h
10 h
Run time @25% load
16.8 h
Not available
PropaneNot availableNot available
Running watts
3500 W
Not available
Starting watts
4500 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
Not available
Not available
Run time @25% load
20 h
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
true
UPC
Not available
840321737434
Core / High-priority specs
Running Watts (Gasoline)
3900
12000
Running Watts (Propane)
3500
Not available
Starting Watts (Gasoline)
5000
14000
Starting Watts (Propane)
4500
Not available
Runtime @ 50% Load (Gasoline)
13
10
Runtime @ 25% Load (Gasoline)
16.8
Not available
Runtime @ 25% Load (Propane)
20
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R)
3x Duplex 120V 20A (5-20R); 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
224 cc OHV 4-stroke
OHV 4-stroke
Engine Displacement
224
669
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16.8
Not available
Runtime @ 50% Load (Gasoline)
13
10
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
Included Accessories
Not available
Funnel, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
4
Part Number
A075C500
Not available
Additional specs
Summary
The Cummins Onan P5000iDF EFI is a 3900-watt dual-fuel inverter generator built for RV owners, campers, and homeowners who need reliable portable power without excessive noise. Its 5000-watt peak capacity handles startup demands of air conditioners, power tools, and multiple appliances simultaneously. The dual-fuel design means you can run gasoline when convenient and switch to propane for longer storage life or when gasoline is unavailable. At 52 dBA, this unit operates as quietly as normal conversation, making it suitable for campgrounds and residential neighborhoods where noise restrictions apply. The inverter technology produces clean power with only 3 percent THD, protecting laptops, smartphones, and sensitive electronics from voltage spikes that damage circuits.
The NorthStar e14000s is a commercial-grade EFI portable generator with electric start, delivering 14,000 surge watts and 12,000 rated watts. It features a NorthStar e670 OHV EFI engine, Quiet Armor Technology for reduced noise, and a heavy-duty steel exoskeleton for durability.
  • Most Powerful
    NorthStar e14000s
    12000W running
  • Quietest
    Cummins Onan P5000iDF EFI
    52 dB
  • Longest Runtime
    Cummins Onan P5000iDF EFI
    13h at 50% load
Where to buy
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Cummins Onan P5000iDF EFI
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NorthStar e14000s
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