FIRMAN HO8051 10000W/8000W Electric Start Dual Fuel Gas/LPG Generator 120v/240v

Power on demand. The H08051 Hybrid Dual Fuel portable generator offers long-lasting performance. Best used for work-site and emergency power.

California emission certified.


The H08051 is a 10000 watt powerhouse. Though large in size, this beast runs at 74dB and is California emissions certified. Our Max Pro Series 439cc engine runs cool and efficient thanks to the Phoenix Fat Head Block. 8gal fuel tank provides 12hrs of run-time. Starting is as easy as the push of a button with an electric-start system. All Hybrid Series run on gas or propane, giving you flexibility. The H08051 has a 5.5ft propane hose for convenience using larger propane tanks and includes a 10” wheel-kit and high leverage folding handle. Easy information is at your fingertips with a 3-in-1 data minder measuring Hrs, Volts, and Hertz.

Note: Everything you need is in the box including: oil, funnel, owner’s manual, and spark plug wrench.


  • 10,000 Starting Watts / 8000 Running Watts – Gas
  • 9050 Starting Watts / 7250 Running Watts – LPG
  • 8 gal tank provides up to 12hrs of run-time. (Propane tank not included)
  • Multi feature control panel with covered outlets
  • 10″ Heavy Duty Wheels and High Folding Handle
  • Includes engine oil, funnel and assembly tool kit and 5.5 ft LPG regulator hose
  • Outlets:
    • (2) 5-20R 20A-120V GFCI
    • (1) 14-50R 50A-120/240V
    • (1) L14-30R 30A-120V/240V Twistlock
    • (1) L5-30R 30A 120V Twistlock
  • 439cc dual fuel engine with low oil shut off and cast iron sleeve
  • Weight – 235 Lbs
  • Carton Measurements – 32.1″ x 22.2″ x 24.4″
  • 3 year warranty



HO8051 User Manual.pdf

HO8051 Quick Reference guide.pdf

HO8051 Model Sheet.pdf


Running (RATED) Watts – Gas8000
Starting (SURGE) Watts – Gas10000
Running (RATED) Watts – LP7250
Starting (SURGE) Watts – LP9050
AC Voltage (VOLTS)120/240
Frequency (Hz)60
Engine Displacement (cc)439
Recoil StartYES
Electric StartYES
Low Oil Shut OffYES
Power Stream AlternatorYES
Cast Iron SleeveYES
FuelGas / LPG
Propane Hose5.5ft
Excitation SystemBrushed
THD@Full Load25
Runtime @ 50% LOAD12
5-20R 120V 20A Duplex GFCI1
L5-30R 120V 30A Twistlock1
L14-30R 120V/240V 30A Twistlock1
14-50R 120V/240V 50A1
Outlet CoverYES
Engine ON/OFF SwitchYES (Push Button)
Phoenix Fat Head BlockYES
Fuel SelectorYES
Tank Size (Gallon/Litre)8.0/30.0
Fuel Gauge on CapYES
Wheel(Size/Type/Color)10.0″ -Black -Plastic -Flat Free
HandleU-Shaped Padded Handle Folding w/ Grip
Foot BracketHat Shape w/ 2xRubber Isolator
USDA FS Certified Spark ArresterYES
Engine Oil (Bottle)YES
Oil FunnelYES
Tool KitSP wrench – 2xOpen Wrench 10×12
LPG Regulator (1.5m)YES
Volt Lock Automatic Voltage Regulator (AVR)YES


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