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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 DXGN4500
  • DuroStar DS4000S
  • Model DXGN4500
    Model DXGN4500

    DEWALT 4,200W Gas Generator

    4200W
    Running
    76 dB
    Noise
    View details
  • Model DS4000S
    Model DS4000S

    DuroStar 3,300W Gas Generator

    3300W
    Running
    69 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 DXGN4500DuroStar DS4000S
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 4200 W
3300 W
Starting watts
Winner: Winner: 4500 W
4000 W
Noise (lower limit)
76 dB
Winner: Winner: 69 dB
Weight
160 lbs
Winner: Winner: 92 lbs
Run time @50% load
Winner: Winner: 15 h
12 h
Run time @25% load
Not available
26 h
Fuel tank
7 gal
4 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
28.2 x 21.3 x 24.1
23 x 18 x 17.5
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
Not available
Not available
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
<6% %
Not available
Engine
Engine
270 cc Honda GX270 OHV 4-stroke
DuroStar OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
4200 W
3300 W
Starting watts
4500 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
15 h
12 h
Run time @25% load
Not available
26 h
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Floating
UPC
696471618594
811640011840
Core / High-priority specs
Running Watts (Gasoline)
4200
3300
Starting Watts (Gasoline)
4500
4000
Runtime @ 50% Load (Gasoline)
15
12
Runtime @ 25% Load (Gasoline)
Not available
26
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 20A (L14-20R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Honda GX270 OHV 4-stroke
OHV 4-stroke
Engine Displacement
270
208
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
26
Runtime @ 50% Load (Gasoline)
15
12
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Included equipment
Included Accessories
Oil and tool kit
Funnel and tool kit
Warranty & identification
Commercial Warranty
3
Not available
Part Number
PD422MHI005
Not available
Additional specs
Summary
The DEWALT DXGN4500 is a 4200-watt gasoline generator built around a Honda GX270 engine, positioning it as a workhorse for job sites and extended outdoor use. At 160 pounds, this unit sits at the heavy end of the portable generator spectrum, meaning it stays put once deployed rather than moving between locations. The 7-gallon fuel tank stretches to 15 hours at half load, so users can power a full day of work or an extended event without refueling. The dual-voltage output (120V and 120/240V) lets contractors run both household circuits and heavy equipment from a single machine.
The DuroStar DS4000S is a 3,300-watt gasoline generator built around a DuroStar OHV 4-stroke engine that delivers 4,000 peak watts for startup surges. This wattage range powers essential household appliances, power tools, and small job site equipment simultaneously. A single person can operate it because the recoil starting system requires only manual pull-cord engagement, though the 92-pound weight means transport over distance demands planning. The 4-gallon fuel tank runs 26 hours at 25 percent load or 12 hours at 50 percent load, making it suitable for extended outages or multi-day outdoor use without constant refueling. EPA and CARB compliance clears this unit for all 50 states.
  • Most Powerful
    DEWALT DXGN4500
    4200W running
  • Quietest
    DuroStar DS4000S
    69 dB
  • Longest Runtime
    DEWALT DXGN4500
    15h at 50% load
Where to buy
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DEWALT DXGN4500
Store links
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DuroStar DS4000S
Store links
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