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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Cummins Onan P5000iDF EFI
  • Pulsar PG4000BiSRCO
  • Model Onan P5000iDF EFI
    Model Onan P5000iDF EFI

    Cummins 3,900W Dual-Fuel Generator

    3900W
    Running
    52 dB
    Noise
    View details
  • Model PG4000BiSRCO
    Model PG4000BiSRCO

    Pulsar 3,200W Dual-Fuel Generator

    3200W
    Running
    65 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 EFIPulsar PG4000BiSRCO
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyYesYes
Running watts
Winner: Winner: 3900 W
3200 W
Starting watts
Winner: Winner: 5000 W
4000 W
Noise (lower limit)
Winner: Winner: 52 dB
65 dB
Weight
108 lbs
Winner: Winner: 54 lbs
Run time @50% load
Winner: Winner: 13 h
6 h
Run time @25% load
16.8 h
Not available
Fuel tank
3.4 gal
1.6 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
25.1 x 18.1 x 21.2
21 x 11 x 19.5
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
12
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
3 %
≤3% %
Engine
Engine
224 cc OHV 4-stroke
141 cc OHV 4-stroke.
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3900 W
3200 W
Starting watts
5000 W
4000 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
6 h
Run time @25% load
16.8 h
Not available
PropaneNot availableNot available
Running watts
3500 W
2800 W
Starting watts
4500 W
3600 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
13.2 h
Run time @25% load
20 h
Not available
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Floating.
UPC
Not available
814726028138
Core / High-priority specs
Running Watts (Gasoline)
3900
3200
Running Watts (Propane)
3500
2800
Starting Watts (Gasoline)
5000
4000
Starting Watts (Propane)
4500
3600
Runtime @ 50% Load (Gasoline)
13
6
Runtime @ 50% Load (Propane)
Not available
13.2
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)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
224 cc OHV 4-stroke
OHV 4-stroke.
Engine Displacement
224
141
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16.8
Not available
Runtime @ 50% Load (Gasoline)
13
6
Runtime @ 50% Load (Propane)
Not available
13.2
Safety & compliance
Overload Protection System
Low oil and overload protection; CO monitoring
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available
Recoil, Electric, Remote
Included Accessories
Not available
Oil, tool kit, key fob, propane hose, and battery
Warranty & identification
Commercial Warranty
3
3
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 Pulsar PG4000BiSRCO is a versatile dual fuel inverter generator designed for both gasoline and propane use, delivering up to 4000 peak watts and 3200 running watts. It features remote and electric start options, is RV-ready, and includes CO Sentry technology for safety.
  • Most Powerful
    Cummins Onan P5000iDF EFI
    3900W 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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Pulsar PG4000BiSRCO
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