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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.

  • DEWALT DXGNR4000
  • Pulsar PGD40iSCO
  • Model DXGNR4000
    Model DXGNR4000

    DEWALT 4,000W Gas Generator

    4000W
    Running
    0 dB
    Noise
    View details
  • Model PGD40iSCO
    Model PGD40iSCO

    Pulsar 3,200W Gas Generator

    3200W
    Running
    59 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
SpecificationDEWALT DXGNR4000Pulsar PGD40iSCO
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoYes
Parallel capableNoYes
RV readyNoYes
Running watts
Winner: Winner: 4000 W
3200 W
Starting watts
Winner: Winner: 5000 W
4000 W
Noise (lower limit)
0 dB
Winner: Winner: 59 dB
Weight
119 lbs
Winner: Winner: 46 lbs
Run time @50% load
Winner: Winner: 10 h
4.5 h
Run time @25% load
Not available—
Not available—
Fuel tank
3.4 gal
1 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
23.7 x 23 x 21.4
18.9 x 11.4 x 17.3
Electrical
Voltage (AC)
120
120
Voltage (DC)
Not available—
Not available—
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available—
Not available—
Engine
Engine
223 cc OHV 4-stroke
145 cc Ducar OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
4000 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
10 h
4.5 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
false
true
Compliance
CARB
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
Floating
UPC
696471075809
814726027674
Core / High-priority specs
Running Watts (Gasoline)
4000
3200
Starting Watts (Gasoline)
5000
4000
Runtime @ 50% Load (Gasoline)
10
4.5
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
145
Engine Oil Type
Not available—
10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10
4.5
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
Oil, funnel, and wheel kit
Not available—
Warranty & identification
Commercial Warranty
Not available—
3
Part Number
PMC164000
Not available—
Additional specs
Summary
The DEWALT DXGNR4000 is a 4000-watt gasoline generator built around a 223cc OHV 4-stroke engine. This wattage class sits at the threshold between household backup and light job site work. At 4000 running watts, it can power a refrigerator, sump pump, and several lights simultaneously during an outage, or run circular saws and air compressors on a construction site, but not both at full capacity. The 5000-watt peak handles motor startup surges, which matters when appliances draw 20 to 30 percent more current at the moment they turn on. The DXGNR4000 targets users who need portability without sacrificing power. A 3.4-gallon fuel tank delivers 10 hours of runtime at half load, meaning a full tank gets you through a night of backup power or a full workday on site. The recoil start requires physical effort to fire up, but it eliminates the complexity and cost of electric ignition. DEWALT backs this unit with a three-year warranty, signaling confidence in the engine and electrical components.
The Pulsar PGD40iSCO is a 4,000-watt inverter generator featuring a 145cc OHV air-cooled engine, providing 3,200 running watts and 4,000 peak watts. It operates quietly at 59 dB and offers up to 4.5 hours of runtime at half load. Equipped with CO Sentry for carbon monoxide detection, it ensures safety during operation.
  • Most Powerful
    DEWALT DXGNR4000
    4000W running
  • Quietest
    Pulsar PGD40iSCO
    59 dB
  • Longest Runtime
    DEWALT DXGNR4000
    10h at 50% load
Where to buy
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DEWALT DXGNR4000
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Pulsar PGD40iSCO
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