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  • DEWALT DXGN14000
  • Genmax GM15000ET
  • Model DXGN14000
    Model DXGN14000

    DEWALT 11,700W Gas Generator

    11700W
    Running
    83 dB
    Noise
    View details
  • Model GM15000ET
    Model GM15000ET

    Genmax 13,000W Tri-Fuel Generator

    13000W
    Running
    76 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 DXGN14000Genmax GM15000ET
General
Product type
Generator
Generator
Fuel
Gasoline
Tri-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
11700 W
Winner: Winner: 13000 W
Starting watts
14000 W
Winner: Winner: 15000 W
Noise (lower limit)
83 dB
Winner: Winner: 76 dB
Weight
344 lbs
Winner: Winner: 242 lbs
Run time @50% load
8 h
Winner: Winner: 11 h
Run time @25% load
Not available
Not available
Fuel tank
10 gal
10.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
31.6 x 33.3 x 36.4
28 x 31.6 x 28.7
Electrical
Voltage (AC)
120/240V 60 Hz
120/240
Voltage (DC)
Not available
12
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<6% %
23 %
Engine
Engine
Honda GX630 OHV V-Twin
520 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Electric
Recoil, Electric, Remote
Warranty
Warranty
3 years
1 years
Power by fuel
GasolineNot availableNot available
Running watts
11700 W
11000 W
Starting watts
14000 W
15000 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
8 h
11 h
Run time @25% load
Not available
Not available
Natural gasNot availableNot available
Running watts
Not available
12000 W
Starting watts
Not available
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
Not available
Not available
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
Not available
13000 W
Starting watts
Not available
13000 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
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB, EPA
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Floating
UPC
696471618600
760790901382
Core / High-priority specs
Running Watts (Gasoline)
11700
11000
Running Watts (Propane)
Not available
13000
Running Watts (Natural Gas)
Not available
12000
Starting Watts (Gasoline)
14000
15000
Starting Watts (Propane)
Not available
13000
Starting Watts (Natural Gas)
Not available
12000
Runtime @ 50% Load (Gasoline)
8
11
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R)
AC outlets3x Duplex 120V 20A (5-20R)1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Honda GX630 OHV V-Twin
OHV 4-stroke
Engine Displacement
688
520
Engine Oil Type
10W-30
SAE 10W/30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
8
11
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Not available
Recoil starter; Electric starter; Remote starter
Included Accessories
Battery and wheel kit
Oil, funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, cover, neutral bonding plug, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
1
Additional specs
Summary
The DEWALT DXGN14000 is an 11,700-watt gasoline generator built for job sites and contractors who need sustained power for multiple heavy-duty tools and appliances simultaneously. With 14,000 peak watts and a Honda GX630 V-Twin engine, this unit can start large compressors, welders, and air conditioning units while running smaller devices in parallel. The 10-gallon fuel tank delivers 8 hours of runtime at 50% load, meaning a full day of work on a single fill-up at moderate power draw. This is a stationary workhorse, not a portable backup. At 344 pounds and 31.6 by 33.3 by 36.4 inches, it demands a dedicated storage location and a wheel kit to move between sites.
The Genmax GM15000ET is a 13,000-watt tri-fuel generator built for serious power demands. With 13,000 running watts and 15,000 starting watts, this unit can handle whole-house backup scenarios, including central air conditioning, refrigerators, well pumps, and multiple circuits running simultaneously. Because it runs on gasoline, propane, or natural gas, owners gain real flexibility during emergencies when one fuel source might be unavailable or during extended outages when tapping into a home natural gas line eliminates refueling trips entirely.
  • Most Powerful
    Genmax GM15000ET
    13000W running
  • Quietest
    Genmax GM15000ET
    76 dB
  • Longest Runtime
    Genmax GM15000ET
    11h at 50% load
Where to buy
Prices can change. We update these automatically.
DEWALT DXGN14000
Store links
No links yet.
Genmax GM15000ET
Store links
No links yet.
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