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  • DEWALT DXGNR4000
  • DuroMax XP12000HX
  • Model DXGNR4000
    Model DXGNR4000

    DEWALT 4,000W Gas Generator

    4000W
    Running
    0 dB
    Noise
    View details
  • Model XP12000HX
    Model XP12000HX

    DuroMax 9,500W Dual-Fuel Generator

    9500W
    Running
    74 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 DXGNR4000DuroMax XP12000HX
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
4000 W
Winner: Winner: 9500 W
Starting watts
5000 W
Winner: Winner: 12000 W
Noise (lower limit)
0 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 119 lbs
230 lbs
Run time @50% load
Winner: Winner: 10 h
9 h
Run time @25% load
Not available
19 h
Fuel tank
3.4 gal
8.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
23.7 x 23 x 21.4
29 x 30 x 26
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
223 cc OHV 4-stroke
457 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
5 years
Power by fuel
GasolineNot availableNot available
Running watts
4000 W
9500 W
Starting watts
5000 W
12000 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
9 h
Run time @25% load
Not available
19 h
PropaneNot availableNot available
Running watts
Not available
9025 W
Starting watts
Not available
11400 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
3.5 h
Run time @25% load
Not available
7 h
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Not available
UPC
696471075809
811640016227
Core / High-priority specs
Running Watts (Gasoline)
4000
9500
Running Watts (Propane)
Not available
9025
Starting Watts (Gasoline)
5000
12000
Starting Watts (Propane)
Not available
11400
Runtime @ 50% Load (Gasoline)
10
9
Runtime @ 50% Load (Propane)
Not available
3.5
Runtime @ 25% Load (Gasoline)
Not available
19
Runtime @ 25% Load (Propane)
Not available
7
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R)
2x 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
OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
457
Cylinder Sleeve
Not available
Cast iron sleeve
Alternator Winding Material
Not available
Copper windings
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
19
Runtime @ 50% Load (Gasoline)
10
9
Runtime @ 50% Load (Propane)
Not available
3.5
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
Starting Components
Not available
Recoil, Electric
Included Accessories
Oil, funnel, and wheel kit
Funnel, tool kit, propane hose, battery, and wheel kit
Warranty & identification
Residential Warranty
Not available
5
Commercial Warranty
Not available
5
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 DuroMax XP12000HX is a 9,500-watt dual-fuel generator built for job sites, home backup, and RV use. Its 12,000-watt peak capacity handles the startup surge of air conditioners, compressors, and welders, while the 9,500-watt running output sustains multiple heavy tools or household circuits simultaneously. Gasoline delivers 19 hours of runtime at quarter load, making this unit suitable for extended outages or multi-day events without constant refueling. The dual-fuel design means users can switch between gasoline and propane depending on fuel availability and storage constraints. On propane at 25% load, runtime drops to 7 hours, trading endurance for cleaner emissions and longer shelf life. The 457 cc cast iron engine is built for durability on job sites where generators take abuse. This is a stationary workhorse, not a portable grab-and-go unit.
  • Most Powerful
    DuroMax XP12000HX
    9500W running
  • Quietest
    DuroMax XP12000HX
    74 dB
  • Longest Runtime
    DEWALT DXGNR4000
    10h at 50% load
Where to buy
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DEWALT DXGNR4000
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DuroMax XP12000HX
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