Westinghouse WGen9500DFc
9500 W, dual-fuel
Firman H08051
Generator · Hybrid 8000 Series. Specs from the manufacturer page (checked ).
The Firman H08051 is a dual-fuel inverter generator rated at 8000 running watts on gasoline and 10,000 starting watts. It is powered by a 439cc engine with an 8-gallon tank, and the page gives up to 12 hours of run time at 50% load. Its outlets provide 120/240 volts, and it carries a 3-year warranty.
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Running
8000W
Peak / surge
10000W
Fuel
dual-fuel
Run time @50 %
12h
Noise
74dB
Weight
96.2kg
Warranty
3yr
Key features
- 439cc dual-fuel engine
- Running watts 8000W on gas and 7250W on LPG; starting watts 10,000W on gas and 9050W on LPG
- Recoil start and electric start
- Low oil shut off and cast iron sleeve
- 8-gallon tank with fuel gauge; up to 12 hours of run time at 50% load
- Outlets: 5-20R 120V 20A duplex GFCI, L5-30R 120V 30A twistlock, L14-30R 120V/240V 30A twistlock, 14-50R 120V/240V 50A (33.3A/240V/8000W), with covered outlets
Specifications
| Running watts | 8000 W |
|---|---|
| Peak / surge | 10000 W |
| Fuel | dual-fuel |
| Tank | 30.3 L (8.0 gal) |
| Run time at 50 % load | 12 h |
| Noise | 74 dB |
| AC output voltage | 120/240 volts |
| Weight | 96.2 kg (212.1 lb) |
| Warranty | 3 years |
From the Firman page. Values the manufacturer does not publish are left out.
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Firman H08051 comparisons
- H08051 vs Westinghouse WGen9500DFc
- H08051 vs WEN DF1100T
- H08051 vs Champion 9000-Watt Tri Fuel Inverter (201176)
- H08051 vs DuroMax XP13000HX
- H08051 vs Champion 11500-Watt Tri Fuel
Connection and wiring
Follow the diagrams in the Firman manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.
Open the Firman manual (PDF) →
Error codes and troubleshooting
We found no error-code table in this manual. Its troubleshooting section is the reference.
FAQ
How long does the Firman H08051 run on a tank?
The maker rates it at 12 hours at 50 % load (about 4,000 W) on a 8.0-gal tank. A light load such as a refrigerator and lights runs longer; a full load runs shorter.
Can the Firman H08051 start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 10000 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.