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  • DuroStar DS10000EH
  • Powermate PM7500DF
  • Model DS10000EH
    Model DS10000EH

    DuroStar 8,000W Dual-Fuel Generator

    8000W
    Running
    72 dB
    Noise
    View details
  • Model PM7500DF
    Model PM7500DF

    Powermate 6,000W Dual-Fuel Generator

    6000W
    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
SpecificationDuroStar DS10000EHPowermate PM7500DF
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 8000 W
6000 W
Starting watts
Winner: Winner: 10000 W
7500 W
Noise (lower limit)
Winner: Winner: 72 dB
0 dB
Weight
220 lbs
Winner: Winner: 172 lbs
Run time @50% load
10 h
Winner: Winner: 11 h
Run time @25% load
22 h
14.5 h
Fuel tank
8.3 gal
8 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29 x 30 x 26
31 x 27.7 x 26.4
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
12
Not available
GFCI outletsYesYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
12 %
Not available
Engine
Engine
439 cc OHV 4-stroke, cast iron sleeve
Generac OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
8000 W
6000 W
Starting watts
10000 W
7500 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
11 h
Run time @25% load
22 h
Not available
PropaneNot availableNot available
Running watts
7600 W
5640 W
Starting watts
9500 W
7180 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
4.5 h
Not available
Run time @25% load
8.5 h
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
811640014421
696471086393
Core / High-priority specs
Running Watts (Gasoline)
8000
6000
Running Watts (Propane)
7600
5640
Starting Watts (Gasoline)
10000
7500
Starting Watts (Propane)
9500
7180
Runtime @ 50% Load (Gasoline)
10
11
Runtime @ 50% Load (Propane)
4.5
Not available
Runtime @ 25% Load (Gasoline)
22
Not available
Runtime @ 25% Load (Propane)
8.5
Not available
AC Outlet Types
AC outlets1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R)
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
439 cc OHV 4-stroke, cast iron sleeve
Generac OHV 4-stroke
Engine Displacement
439
420
Cylinder Sleeve
Cast iron sleeve
Not available
Alternator Winding Material
Copper
Not available
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
22
Not available
Runtime @ 50% Load (Gasoline)
10
11
Runtime @ 50% Load (Propane)
4.5
Not available
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
Recoil, Electric
Not available
Included Accessories
Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit
Oil, propane hose, and wheel kit
Warranty & identification
Commercial Warranty
3
3
Additional specs
Summary
The DuroStar DS10000EH is an 8,000-watt dual-fuel generator built on a 439 cc OHV 4-stroke engine with cast iron sleeve construction. At 8,000 running watts, this unit can power multiple household appliances simultaneously, job site tools, or serve as extended backup during outages. The dual-fuel design means users can run gasoline or propane depending on fuel availability and storage constraints, a significant advantage during supply disruptions. Because the DS10000EH runs at 72 dB, placement matters. At 25 feet, the noise becomes manageable for residential use; closer proximity requires hearing protection or evening restrictions. The 8.3-gallon tank delivers 22 hours at 25% load on gasoline, making extended operations feasible without constant refueling. On propane at the same load, runtime drops to 8.5 hours due to lower energy density. This runtime flexibility shapes real-world deployment: gasoline for long-term backup, propane for shorter bursts or when storage space is limited.
The Powermate PM7500DF is a versatile 7500-watt dual fuel portable generator, ideal for outdoor events, DIY projects, or emergency backup power. It features a steel frame, integrated wheels, and a handle for easy transport. With 7500 starting watts and 6000 running watts on gasoline, it provides consistent power for various applications.
  • Most Powerful
    DuroStar DS10000EH
    8000W running
  • Quietest
    DuroStar DS10000EH
    72 dB
  • Longest Runtime
    Powermate PM7500DF
    11h at 50% load
Where to buy
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DuroStar DS10000EH
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Powermate PM7500DF
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