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- Firman WH02942
- Generac #8151 iQ3600DF
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).
| Specification | Firman WH02942 | Generac #8151 iQ3600DF |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 2900 W | 2800 W |
| Starting watts | 3200 W | Winner: Winner: 3600 W |
| Noise (lower limit) | Winner: Winner: 58 dB | 0 dB |
| Weight | Winner: Winner: 90 lbs | 107 lbs |
| Run time @50% load | Not available | Winner: Winner: 13 h |
| Run time @25% load | 10 h | Not available |
| Fuel tank | 1.8 gal | 3.17 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 23.2 x 17.8 x 17.9 | 24.6 x 20.3 x 22.5 |
| Electrical | ||
| Voltage (AC) | 120 60 | 120 |
| Voltage (DC) | 12 | 5 |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | <3% % |
| Engine | ||
| Engine | Firman Max-Pro Series OHV 4-stroke, cast iron sleeve | 212 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2900 W | 2800 W |
| Starting watts | 3200 W | 3600 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 | Not available | 13 h |
| Run time @25% load | 10 h | Not available |
| Propane | Not available | Not available |
| Running watts | 2600 W | 2500 W |
| Starting watts | 2900 W | 3200 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 | Not available | 16 h |
| Run time @25% load | 19 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | true |
| UPC | 840876130810 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2900 | 2800 |
| Running Watts (Propane) | 2600 | 2500 |
| Starting Watts (Gasoline) | 3200 | 3600 |
| Starting Watts (Propane) | 2900 | 3200 |
| Runtime @ 50% Load (Gasoline) | Not available | 13 |
| Runtime @ 50% Load (Propane) | Not available | 16 |
| Runtime @ 25% Load (Gasoline) | 10 | Not available |
| Runtime @ 25% Load (Propane) | 19 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) | 2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | 212 cc OHV 4-stroke |
| Engine Displacement | 171 | 212 |
| Cylinder Sleeve | Cast iron sleeve | Not available |
| Engine Oil Type | Not available | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 13 |
| Runtime @ 50% Load (Propane) | Not available | 16 |
| Controls & display | ||
| Display Type | Not available | Digital |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric | Recoil, Electric |
| Included Accessories | Oil, funnel, tool kit, battery charger, propane hose, and battery | Oil, funnel, tool kit, propane hose, and battery |
| Warranty & identification | ||
| Part Number | WH3200iE | Not available |
| Additional specs | ||
| Summary | The Firman WH02942 is a 2,900-watt dual-fuel inverter generator built for users who need portable power without sacrificing runtime flexibility. On gasoline, it delivers 2,900 running watts and 3,200 starting watts. Switch to propane and the running output drops to 2,600 watts, but runtime at 25% load stretches to 19 hours versus 10 hours on gas. This makes it a practical choice for RV owners, campers, and homeowners seeking backup power that can run all night on a single fuel source. The 3% THD output means laptops, phones, and sensitive electronics stay protected from power surges. At 58 dB, it runs quieter than most job sites and many competitors, making it suitable for campgrounds and residential areas. | The Generac iQ3600DF is a 2,800-watt dual-fuel inverter generator that handles mid-range loads like essential home circuits during outages, multiple appliances at a campsite, or a mix of power tools on a job site. Gasoline delivers 2,800 running watts with 3,600 starting watts; propane runs at 2,500 watts with 3,200 starting watts. The dual-fuel design lets users choose based on fuel availability and storage preferences. Inverter technology keeps THD below 3 percent, protecting laptops and TVs from voltage spikes. Electric start with an included battery eliminates pull-cord friction. The 107-pound weight and compact footprint make it semi-portable but manageable for truck beds and garage storage. |
- Most PowerfulFirman WH029422900W running
- QuietestFirman WH0294258 dB
- Longest RuntimeGenerac #8151 iQ3600DF13h at 50% load
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Firman WH02942
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Generac #8151 iQ3600DF
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