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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
  • Powermate PM1200i
  • Model Onan P5000iDF EFI
    Model Onan P5000iDF EFI

    Cummins 3,900W Dual-Fuel Generator

    3900W
    Running
    52 dB
    Noise
    View details
  • Model PM1200i
    Model PM1200i

    Powermate 1,000W Gas Generator

    1000W
    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
SpecificationCummins Onan P5000iDF EFIPowermate PM1200i
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterYesYes
Parallel capableYesNo
RV readyYesNo
Running watts
Winner: Winner: 3900 W
1000 W
Starting watts
Winner: Winner: 5000 W
1200 W
Noise (lower limit)
Winner: Winner: 52 dB
0 dB
Weight
108 lbs
Winner: Winner: 33 lbs
Run time @50% load
Winner: Winner: 13 h
5.5 h
Run time @25% load
16.8 h
7 h
Fuel tank
3.4 gal
0.79 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
25.1 x 18.1 x 21.2
18.3 x 10.3 x 15.7
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
Not available—
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
3 %
Less than 3% %
Engine
Engine
224 cc OHV 4-stroke
54 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3900 W
1000 W
Starting watts
5000 W
1200 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
5.5 h
Run time @25% load
16.8 h
7 h
PropaneNot available—Not 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
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Floating
Not available—
UPC
Not available—
696471078909
Core / High-priority specs
Running Watts (Gasoline)
3900
1000
Running Watts (Propane)
3500
Not available—
Starting Watts (Gasoline)
5000
1200
Starting Watts (Propane)
4500
Not available—
Runtime @ 50% Load (Gasoline)
13
5.5
Runtime @ 25% Load (Gasoline)
16.8
7
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)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
224 cc OHV 4-stroke
OHV 4-stroke
Engine Displacement
224
54
Engine Oil Type
Not available—
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16.8
7
Runtime @ 50% Load (Gasoline)
13
5.5
Safety & compliance
Overload Protection System
Low oil and overload protection; CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Not available—
Funnel and tool kit
Warranty & identification
Commercial Warranty
3
Not available—
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 Powermate PM1200i is a portable inverter generator designed to provide clean and stable power for sensitive electronics, tools, and appliances. It features a fully enclosed case for ultra-quiet operation and RPM+ technology that automatically adjusts engine RPM based on load demand to reduce sound emissions and conserve fuel.
  • 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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Powermate PM1200i
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