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| Specification | NorthStar c8000s | Yamaha EF6300iSDE |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 6600 W | 5500 W |
| Starting watts | Winner: Winner: 8000 W | 6300 W |
| Noise (lower limit) | 73 dB | Winner: Winner: 58 dB |
| Weight | 280 lbs | Winner: Winner: 216 lbs |
| Run time @50% load | Winner: Winner: 10.6 h | 5 h |
| Run time @25% load | Not available | 13.3 h |
| Fuel tank | 8 gal | 4.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 41 x 32 x 29 | 30.7 x 24.3 x 27.2 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | < 5% % | <4.0% % |
| Engine | ||
| Engine | Honda GX390 OHV 4-stroke | 357 cc Yamaha MZ360 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Electric |
| Warranty | ||
| Warranty | 4 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 6600 W | 5500 W |
| Starting watts | 8000 W | 6300 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 | 10.6 h | Not available |
| Run time @25% load | Not available | 13.3 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 840321737618 | 765053849371 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6600 | 5500 |
| Starting Watts (Gasoline) | 8000 | 6300 |
| Runtime @ 50% Load (Gasoline) | 10.6 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 13.3 |
| AC Outlet Types | 3x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 389 | 357 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 13.3 |
| Runtime @ 50% Load (Gasoline) | 10.6 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection. | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Funnel, Battery, and Wheel Kit | Battery |
| Warranty & identification | ||
| Part Number | Not available | EF63ISDEX |
| Additional specs | ||
| Summary | The NorthStar c8000s is a commercial-grade portable generator designed for demanding job sites, featuring a Honda GX390 OHV engine and Quiet Armor Technology for reduced noise. | The Yamaha EF6300iSDE is a powerful and advanced inverter generator, ideal for emergency backup, recreational use, and DIY projects. It offers a maximum output of 6300 watts and operates quietly between 58 to 64 decibels. |