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DuroMax XP12000E vs DEWALT DXGNR8000

DuroMax XP12000E vs DEWALT DXGNR8000

Comparing the DuroMax XP12000E (9500W) and DEWALT DXGNR8000 (8000W). Two heavy-duty generators suited for home backup and job sites.

  • DEWALT DXGNR8000
  • DuroMax XP12000E

Comparison Overview

Analysis by AJ Quick
Mechanical engineer and founder of RightGenerator

The DuroMax XP12000E delivers significantly more power with 9,500 running watts and 12,000 starting watts, compared to the DEWALT DXGNR8000's 8,000 running watts and 10,000 starting watts. That extra 1,500 watts of continuous output can make a real difference when you're running multiple large appliances simultaneously during a power outage or powering demanding tools on a job site.

The tradeoff for that extra power is weight. The DuroMax tips the scales at 217 pounds, while the DEWALT comes in at a more manageable 183 pounds, a 34-pound difference that matters when loading into a truck bed or repositioning around a work area. The DuroMax does produce 74 dB of noise, which is roughly comparable to a vacuum cleaner at close range. DEWALT does not list a noise rating for the DXGNR8000, so a direct comparison on that front isn't possible. Both units run on gasoline and come with a 3-year warranty.

At half load, the DEWALT edges ahead slightly with 9 hours of runtime versus the DuroMax's 8 hours, though the DuroMax advertises an impressive 19 hours at 25% load for lighter, extended use. Buyers who need maximum wattage for whole-home backup will lean toward the DuroMax, while those who value portability and solid mid-range power may prefer the DEWALT.

Key takeaways

  • DuroMax XP12000E provides 9,500 running watts and 12,000 starting watts for heavy loads
  • DEWALT DXGNR8000 is 34 pounds lighter at 183 pounds, improving portability
  • DuroMax offers 19 hours of runtime at 25% load for extended overnight use
  • DEWALT runs slightly longer at half load with 9 hours versus 8 hours
  • Both generators include a 3-year warranty and run on gasoline
  • Both are conventional (non-inverter) generators suited for home backup and job sites

Best use cases

Choose the DuroMax XP12000E if you need to cover a larger portion of your home during an extended outage. With 9,500 running watts, you can realistically power a refrigerator, a sump pump, window AC units, lights, and still have headroom for a well pump or electric range. The 12,000 starting watts give you a comfortable cushion for motor-driven appliances that spike on startup. If you plan to keep the generator in one spot, like beside your house connected to a transfer switch, the 217-pound weight is less of a concern. The 19-hour runtime at quarter load is also a standout feature for overnight use when your electrical demands drop.

Choose the DEWALT DXGNR8000 if your power needs are substantial but don't quite require the top tier of output. At 8,000 running watts, you can still handle most essential home circuits or run heavy-duty power tools on a construction site. The DEWALT brand carries strong recognition in the professional trades, and at 183 pounds, this unit is noticeably easier to move around. Its 9-hour runtime at 50% load is slightly better than the DuroMax at the same load level, which means fewer fuel stops during a busy workday.

Both generators lack inverter technology, so neither is ideal for powering sensitive electronics like laptops or medical devices without an additional surge protector or power conditioner. Neither is what you'd call quiet, so plan on keeping them a good distance from living or working areas. If you're looking for a camping or tailgating generator, both of these are frankly overkill in size and noise. They're built for serious power demands, not weekend recreation.

Verdict & recommendation

If your priority is maximum power output and you want the confidence that comes with nearly 10,000 running watts, the DuroMax XP12000E is the stronger pick. It's the better choice for whole-home backup scenarios where you need to run several large appliances at once. If you value a lighter, more portable package and your power needs fall comfortably within the 8,000-watt range, the DEWALT DXGNR8000 delivers reliable performance with a well-known brand behind it and slightly better fuel efficiency at half load.

Both generators carry the same 3-year warranty and run on gasoline, so the decision really comes down to how much power you actually need versus how much weight you're willing to handle. Assess your specific wattage requirements before buying, because paying for extra capacity you'll never use means carrying extra pounds you don't need to.

Last updated April 8, 2026

  • Model DXGNR8000
    Model DXGNR8000

    DEWALT 8,000W Gas Generator

    8000W
    Running
    0 dB
    Noise
    View details
  • Model XP12000E
    Model XP12000E

    DuroMax 9,500W Gas 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 DXGNR8000DuroMax XP12000E
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
8000 W
Winner: Winner: 9500 W
Starting watts
10000 W
Winner: Winner: 12000 W
Noise (lower limit)
0 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 183 lbs
217 lbs
Run time @50% load
Winner: Winner: 9 h
8 h
Run time @25% load
Not available
19 h
Fuel tank
7.5 gal
8.3 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
27.3 x 27.4 x 28.5
30 x 30 x 26
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
12
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
Dewalt OHV 4-stroke, 420 cc
DuroMax OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
8000 W
9500 W
Starting watts
10000 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
9 h
8 h
Run time @25% load
Not available
19 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
Not available
UPC
696471074536
811640014674
Core / High-priority specs
Running Watts (Gasoline)
8000
9500
Starting Watts (Gasoline)
10000
12000
Runtime @ 50% Load (Gasoline)
9
8
Runtime @ 25% Load (Gasoline)
Not available
19
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R) GFCI1x 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, cast iron sleeve
Engine Displacement
420
457
Cylinder Sleeve
Not available
cast iron sleeve
Alternator Winding Material
Not available
Copper windings
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
19
Runtime @ 50% Load (Gasoline)
9
8
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Not available
Recoil, Electric
Included Accessories
Oil, battery charger, battery, and wheel kit
Funnel, tool kit, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available
Part Number
DXGNR8000E
Not available
Additional specs
Summary
The DEWALT DXGNR8000 is an 8,000-watt gasoline generator built for job sites and temporary power needs. Its dual-voltage output and heavy-duty construction handle both household circuits and professional equipment, making it suitable for contractors and homeowners managing extended outages or remote work.
The DuroMax XP12000E is a gasoline-powered generator with a rated wattage of 9500 watts and a peak wattage of 12000 watts. It features a recoil and electric starting system and is compliant with CARB and EPA standards.
  • Most Powerful
    DuroMax XP12000E
    9500W running
  • Quietest
    DuroMax XP12000E
    74 dB
  • Longest Runtime
    DEWALT DXGNR8000
    9h at 50% load
Where to buy
Prices can change. We update these automatically.
DEWALT DXGNR8000
Store links
No links yet.
DuroMax XP12000E
Store links
No links yet.
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