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- Generac #7678 GP3600
- Pulsar PGD40iSCO
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 | Generac #7678 GP3600 | Pulsar PGD40iSCO |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 3600 W | 3200 W |
| Starting watts | Winner: Winner: 4500 W | 4000 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 59 dB |
| Weight | 105 lbs | Winner: Winner: 46 lbs |
| Run time @50% load | Winner: Winner: 9.3 h | 4.5 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 3.7 gal | 1 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 24 x 22.5 x 21.3 | 18.9 x 11.4 x 17.3 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | Generac OHV 4-stroke 212 | 145 cc Ducar OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3600 W | 3200 W |
| Starting watts | 4500 W | 4000 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 | 4.5 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | CARB | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Floating |
| UPC | 696471074581 | 814726027674 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3600 | 3200 |
| Starting Watts (Gasoline) | 4500 | 4000 |
| Runtime @ 50% Load (Gasoline) | 9.3 | 4.5 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) | 1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-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 @ 50% Load (Gasoline) | 9.3 | 4.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| 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 | Not available |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| 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 Pulsar PGD40iSCO is a 4,000-watt inverter generator featuring a 145cc OHV air-cooled engine, providing 3,200 running watts and 4,000 peak watts. It operates quietly at 59 dB and offers up to 4.5 hours of runtime at half load. Equipped with CO Sentry for carbon monoxide detection, it ensures safety during operation. |
- Most PowerfulGenerac #7678 GP36003600W running
- QuietestPulsar PGD40iSCO59 dB
- Longest RuntimeGenerac #7678 GP36009.3h at 50% load
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Generac #7678 GP3600
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Pulsar PGD40iSCO
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