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DEWALT DXGNR8000 vs Powermate PM9400E

DEWALT DXGNR8000 vs Powermate PM9400E

Compare DEWALT DXGNR8000 and Powermate PM9400E: 8000W vs 7500W output, similar weight, longer runtime on Powermate for home backup.

  • DEWALT DXGNR8000
  • Powermate PM9400E

Comparison Overview

DEWALT’s DXGNR8000 leads on raw output, delivering 8000 running watts and 10000 starting watts, while the Powermate PM9400E comes in at 7500 running watts and 9400 starting watts. That extra surge headroom on the DEWALT can matter for harder-starting loads like well pumps, larger air compressors, or a fridge plus additional appliances kicking on at once.

Runtime is where the Powermate tends to look more practical for longer stretches. It’s rated for 10 hours at 50% load (and 13 hours at 25%), versus 9 hours at 50% load for the DEWALT. If you expect overnight runs or fewer refueling stops during an outage, that difference can be noticeable.

They’re both traditional, non-inverter gasoline generators, so you should expect louder operation than inverter models and power that is better suited to tools and essentials than sensitive electronics. Weight is also very close at 183 lb for DEWALT and 188 lb for Powermate, and both include a 3-year warranty. Pick DEWALT if you want the higher peak power margin, or Powermate if longer runtime per fill is the bigger day-to-day advantage.

Key takeaways

  • DEWALT DXGNR8000 delivers 8000 running watts and 10000 starting watts.
  • Powermate PM9400E provides 7500 running watts and 9400 starting watts.
  • Powermate runs up to 10 hours at 50% load, 13 hours at 25%.
  • DEWALT is rated 9 hours runtime at 50% load.
  • Both are gasoline, non-inverter generators with a 3-year warranty.
  • Both are heavy open-frame units, 183 lb DEWALT and 188 lb Powermate.

Best use cases

Choose the DEWALT DXGNR8000 if you want the most breathing room for starting loads and heavier tool use. With 10000 starting watts, it’s a better fit when you might run a larger air compressor, table saw, or multiple job site tools that can spike at startup. For home backup, that extra surge can also help with a well pump or sump pump cycling on while other essentials are already running. The tradeoff is that its published runtime is a bit shorter at 9 hours at 50% load, so you may refuel a little more often during longer outages.

Choose the Powermate PM9400E if your priority is stretching fuel and keeping things running longer between fill-ups. Its 10 hours at 50% load (and 13 hours at 25%) is a real-world convenience for overnight coverage, longer outage days, or situations where you want fewer interruptions. It still has plenty of capability at 7500 running watts and 9400 starting watts for typical home essentials like a refrigerator, lights, fans, a microwave used one at a time, and battery charging, as long as you manage big loads thoughtfully.

For camping, RV use, or tailgating, neither is ideal because both are open-frame, non-inverter units and quite heavy (around 185 lb). If you do use either recreationally, plan on keeping it farther from neighbors and using a heavy-duty extension setup, and consider a smaller inverter generator if quiet operation is a top priority.

Verdict & recommendation

If your priority is maximum starting power for demanding tools or motor loads, the DEWALT DXGNR8000 is the safer pick thanks to 10000 starting watts and 8000 running watts. If your priority is longer run time and fewer refueling stops during extended outages, the Powermate PM9400E has the edge with 10 hours at 50% load and 13 hours at 25% load.

Because both are gasoline, non-inverter generators with similar weight and the same 3-year warranty, the decision mostly comes down to whether you value extra surge capacity (DEWALT) or longer endurance per tank (Powermate). Match the generator to your heaviest starting load and how long you expect to run it between refuels, and you’ll be happy with either approach.

Last updated March 8, 2026

  • Model DXGNR8000
    Model DXGNR8000

    DEWALT 8,000W Gas Generator

    8000W
    Running
    0 dB
    Noise
    View details
  • Model PM9400E
    Model PM9400E

    Powermate 7,500W Gas Generator

    7500W
    Running
    0 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 DXGNR8000Powermate PM9400E
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 8000 W
7500 W
Starting watts
Winner: Winner: 10000 W
9400 W
Noise (lower limit)
0 dB
0 dB
Weight
Winner: Winner: 183 lbs
188 lbs
Run time @50% load
9 h
Winner: Winner: 10 h
Run time @25% load
Not available
13 h
Fuel tank
7.5 gal
8 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
27.3 x 27.4 x 28.5
31 x 27 x 26.4
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
Dewalt OHV 4-stroke, 420 cc
420 cc OHV 4-stroke
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
7500 W
Starting watts
10000 W
9400 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
10 h
Run time @25% load
Not available
13 h
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
CARB, EPA
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
696471074536
696471077827
Core / High-priority specs
Running Watts (Gasoline)
8000
7500
Starting Watts (Gasoline)
10000
9400
Runtime @ 50% Load (Gasoline)
9
10
Runtime @ 25% Load (Gasoline)
Not available
13
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
420
420
Engine Oil Type
Not available
10W-30 / SAE 30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
13
Runtime @ 50% Load (Gasoline)
9
10
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
Oil, battery charger, battery, and wheel kit
Included Accessories
Oil, battery charger, battery, and wheel kit
Oil, battery charger, 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 Powermate PM9400E is a portable generator offering 9,400 starting watts and 7,500 running watts, equipped with a Generac 420cc OHV engine and an 8-gallon fuel tank, providing up to 13 hours of runtime at 25% load.
  • Most Powerful
    DEWALT DXGNR8000
    8000W running
  • Quietest
    dB
  • Longest Runtime
    Powermate PM9400E
    10h at 50% load
Where to buy
Prices can change. We update these automatically.
DEWALT DXGNR8000
Store links
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Powermate PM9400E
Store links
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