Firman H05752
Generator · Hybrid. Specs from the manufacturer page (checked ).

The Firman H05752 is a dual-fuel inverter generator rated at 5700 W running and 7125 W starting output on gas or LPG. It has an 8 gallon gas tank and up to 12 hours of run time.
Key features
- 439cc Firman engine with dual-fuel operation on gas or LPG
- 5700 W running watts and 7125 W starting watts (gas or LPG)
- 8 gallon gas tank with up to 12 hrs of run time
- Recoil start
- Low oil shutoff
- Cast iron sleeve
- Covered control panel with (2) 5-20R 120V 20A duplex GFCI outlets, (1) L5-30R 120V 30A twistlock outlet, and (1) L14-30R 120V/240V 30A twistlock outlet (23.8A/240V/5700W)
- 3-year warranty
Specifications
| Running watts | 5700 W |
|---|---|
| Peak / surge | 7125 W |
| Fuel | dual-fuel |
| Tank | 30.28 L (8.0 gal) |
| AC output voltage | 120V/240V |
| Warranty | 3 years |
From the Firman page. Values the manufacturer does not publish are left out.
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Firman H05752 comparisons
- H05752 vs WEN GN5602X
- H05752 vs Honda EU7000iS
- H05752 vs Champion 9000-Watt Tri Fuel Inverter (201176)
- H05752 vs DuroMax XP9500iH
- H05752 vs Champion 8500-Watt Dual Fuel Inverter (201175)
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
Can the Firman H05752 start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 7125 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.