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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 DXGNR5700
  • Firman P08008
  • Model DXGNR5700
    Model DXGNR5700

    DEWALT 5,700W Gas Generator

    5700W
    Running
    0 dB
    Noise
    View details
  • Model P08008
    Model P08008

    Firman 8,000W Gas Generator

    8000W
    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 DXGNR5700Firman P08008
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
5700 W
Winner: Winner: 8000 W
Starting watts
7125 W
Winner: Winner: 10000 W
Noise (lower limit)
0 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 172 lbs
208 lbs
Run time @50% load
10.5 h
Winner: Winner: 12 h
Run time @25% load
Not available
Not available
Fuel tank
6.7 gal
8 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.2 x 27 x 25.7
27.1 x 27.5 x 26.8
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
25 %
Engine
Engine
Dewalt OHV 4-stroke
439 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
5700 W
8000 W
Starting watts
7125 W
10000 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
10.5 h
12 h
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
Bonded to frame
true
UPC
696471003109
840876180082
Core / High-priority specs
Running Watts (Gasoline)
5700
8000
Starting Watts (Gasoline)
7125
10000
Runtime @ 50% Load (Gasoline)
10.5
12
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) GFCI
1x 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, cast iron sleeve
Engine Displacement
389
439
Cylinder Sleeve
Not available
Cast iron sleeve
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10.5
12
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Not available
Recoil, Electric, Remote
Included Accessories
Wheel kit
Oil, funnel, tool kit, key fob, RV adapter, battery, and wheel kit
Warranty & identification
Commercial Warranty
Not available
3
Additional specs
Summary
The DEWALT DXGNR5700 is a 5,700-watt gasoline generator built for job site power demands. It runs household circuits and mid-range power tools simultaneously, making it suitable for construction crews, outdoor events, and backup power scenarios where dual-voltage output matters.
The Firman P08008 is an 8,000-watt gas generator built for job sites, emergency backup, and outdoor events where sustained power matters more than portability. At 8,000 running watts and 10,000 peak watts, this unit can run a refrigerator, microwave, and power tools simultaneously, or handle the electrical load of a small RV. The 439cc cast-iron-sleeve engine burns gasoline, a fuel readily available at any gas station, and runs for 12 hours at half load on an 8-gallon tank. This runtime window means a single refueling cycle covers an overnight power outage or a full day of outdoor work.
  • Most Powerful
    Firman P08008
    8000W running
  • Quietest
    Firman P08008
    74 dB
  • Longest Runtime
    Firman P08008
    12h at 50% load
Where to buy
Prices can change. We update these automatically.
DEWALT DXGNR5700
Store links
No links yet.
Firman P08008
Store links
No links yet.
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