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| Specification | Generac #7678 GP3600 | Genmax GM3500iAED |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 3600 W | 3200 W |
| Starting watts | Winner: Winner: 4500 W | 3500 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 62 dB |
| Weight | 105 lbs | Winner: Winner: 56.2 lbs |
| Run time @50% load | Winner: Winner: 9.3 h | Not available |
| Run time @25% load | Not available | 9 h |
| Fuel tank | 3.7 gal | 1.7 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24 x 22.5 x 21.3 | 20.9 x 12.2 x 19.7 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | Not available | 5 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | ≤3% % |
| Engine | ||
| Engine | Generac OHV 4-stroke 212 | 145 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3600 W | 3200 W |
| Starting watts | 4500 W | 3500 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 | 9.3 h | Not available |
| Run time @25% load | Not available | 8 h |
| Propane | Not available | Not available |
| Running watts | Not available | 2800 W |
| Starting watts | Not available | 3100 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 | Not available |
| Run time @25% load | Not available | 16 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | CARB | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 696471074581 | 713424639021 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3600 | 3200 |
| Running Watts (Propane) | Not available | 2800 |
| Starting Watts (Gasoline) | 4500 | 3500 |
| Starting Watts (Propane) | Not available | 3100 |
| Runtime @ 50% Load (Gasoline) | 9.3 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 8 |
| Runtime @ 25% Load (Propane) | Not available | 16 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 212 | 145 |
| Engine Oil Type | 10W-30 / SAE 30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 8 |
| Runtime @ 50% Load (Gasoline) | 9.3 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Starting Components | Oil, funnel, tool kit, and wheel kit | Not available |
| Included Accessories | Oil, funnel, tool kit, and wheel kit | Funnel, tool kit, key fob, propane hose, RV adapter, and battery |
| Warranty & identification | ||
| Part Number | 7678 | Not available |
| Additional specs | ||
| Summary | The Generac GP3600 (#7678) is a 3600-watt gasoline generator built for homeowners and job sites needing reliable backup or portable power. Its 4500-watt peak capacity handles starting surges for tools and appliances, while the 3.7-gallon fuel tank delivers 9.3 hours of runtime at half load. Automatic voltage regulation protects sensitive electronics, and a three-year warranty covers ownership support. | The Genmax GM3500iAED is a 3,200-watt dual-fuel inverter generator that runs on gasoline or propane. At 56.2 lbs, it handles essential household loads like refrigerators and small power tools while remaining portable enough for camping or job sites. The 62 dB noise level keeps it residential-friendly. |
