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| Specification | DuroMax XP13000HX | NorthStar c15000s |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | No |
| Running watts | 10500 W | Winner: Winner: 13500 W |
| Starting watts | 13000 W | Winner: Winner: 15000 W |
| Noise (lower limit) | 74 dB | Winner: Winner: 73 dB |
| Weight | Winner: Winner: 240 lbs | 390 lbs |
| Run time @50% load | 8.5 h | Winner: Winner: 10.6 h |
| Run time @25% load | 17 h | Not available |
| Fuel tank | 8.3 gal | 12 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 43 x 36 x 35 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240V 60 Hz |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | <5% % |
| Engine | ||
| Engine | 500 cc OHV 4-stroke, cast iron sleeve | 688 cc Honda GX690 OHV V-Twin |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Electric |
| Warranty | ||
| Warranty | 5 years | 4 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 10500 W | 13500 W |
| Starting watts | 13000 W | 15000 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 | 8.5 h | 10.6 h |
| Run time @25% load | 17 h | Not available |
| Propane | Not available | Not available |
| Running watts | 9975 W | Not available |
| Starting watts | 12350 W | Not available |
| 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 | 3.2 h | Not available |
| Run time @25% load | 6.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 811640016234 | 840321737861 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 10500 | 13500 |
| Running Watts (Propane) | 9975 | Not available |
| Starting Watts (Gasoline) | 13000 | 15000 |
| Starting Watts (Propane) | 12350 | Not available |
| Runtime @ 50% Load (Gasoline) | 8.5 | 10.6 |
| Runtime @ 50% Load (Propane) | 3.2 | Not available |
| Runtime @ 25% Load (Gasoline) | 17 | Not available |
| Runtime @ 25% Load (Propane) | 6.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 3x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 60A (14-60R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | Honda GX690 OHV V-Twin |
| Engine Displacement | 500 | 688 |
| Cylinder Sleeve | Cast iron sleeve | Not available |
| Alternator Winding Material | Copper | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17 | Not available |
| Runtime @ 50% Load (Gasoline) | 8.5 | 10.6 |
| Runtime @ 50% Load (Propane) | 3.2 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric | Not available |
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit | Funnel, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 5 | 4 |
| Additional specs | ||
| Summary | The DuroMax XP13000HX is a 10,500-watt dual-fuel generator built to power job sites, home backup systems, and RV setups without compromise. Running on gasoline or propane, this unit delivers 13,000 peak watts, enough to start large air compressors, well pumps, and multiple power tools simultaneously. The 500cc OHV engine with cast iron sleeve handles sustained loads that would overwhelm smaller portables. At 74 decibels, it operates quietly enough for residential neighborhoods, though the 240-pound frame demands serious planning for transport and storage. | The NorthStar c15000s is a commercial-grade portable generator powered by a Honda GX690 OHV engine, delivering 15,000 surge watts and 13,500 rated watts. It features Quiet Armor Technology for reduced noise, a built-in battery charger/maintainer, and carbon monoxide detection with automatic shutdown for enhanced safety. |