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  • Firman H05752
  • Powermate PM7500DF
  • Model H05752
    Model H05752

    Firman 5,700W Dual-Fuel Generator

    5700W
    Running
    74 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
SpecificationFirman H05752Powermate PM7500DF
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
5700 W
Winner: Winner: 6000 W
Starting watts
7125 W
Winner: Winner: 7500 W
Noise (lower limit)
Winner: Winner: 74 dB
0 dB
Weight
176.5 lbs
Winner: Winner: 172 lbs
Run time @50% load
Winner: Winner: 12 h
11 h
Run time @25% load
Not available
14.5 h
Fuel tank
8 gal
8 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
30.2 x 27.5 x 26.3
31 x 27.7 x 26.4
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
25 %
Not available
Engine
Engine
439 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Generac OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
5700 W
6000 W
Starting watts
7125 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
12 h
11 h
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
5700 W
5640 W
Starting watts
7125 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
5 h
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
840876157527
696471086393
Core / High-priority specs
Running Watts (Gasoline)
5700
6000
Running Watts (Propane)
5700
5640
Starting Watts (Gasoline)
7125
7500
Starting Watts (Propane)
7125
7180
Runtime @ 50% Load (Gasoline)
12
11
Runtime @ 50% Load (Propane)
5
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Generac OHV 4-stroke
Engine Displacement
439
420
Cylinder Sleeve
cast iron sleeve
Not available
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
12
11
Runtime @ 50% Load (Propane)
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
Included Accessories
Oil, funnel, tool kit, propane hose, and wheel kit
Oil, propane hose, and wheel kit
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
3
3
Additional specs
Summary
The Firman H05752 is a 5700-watt dual-fuel generator built around a 439cc Firman Max-Pro Series OHV 4-stroke engine with a cast iron sleeve. At this wattage, it can power essential household appliances during outages, run multiple job site tools simultaneously, or supply a campsite with sustained electricity. The dual-fuel design means users can switch between gasoline and propane depending on fuel availability and cost, with the 8-gallon tank delivering 12 hours of runtime on gasoline at 50% load or 5 hours on propane at the same load. This runtime flexibility reduces refueling frequency on longer jobs or extended camping trips. The 3-year warranty covers both residential and commercial use, giving owners defined support across different applications.
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
    Powermate PM7500DF
    6000W running
  • Quietest
    Firman H05752
    74 dB
  • Longest Runtime
    Firman H05752
    12h at 50% load
Where to buy
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Firman H05752
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Powermate PM7500DF
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