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| Specification | DuroMax XP13000HX | Firman H08051 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 10500 W | 8000 W |
| Starting watts | Winner: Winner: 13000 W | 10000 W |
| Noise (lower limit) | Winner: Winner: 74 dB | Winner: Winner: 74 dB |
| Weight | 240 lbs | Winner: Winner: 212 lbs |
| Run time @50% load | 8.5 h | Winner: Winner: 12 h |
| Run time @25% load | 17 h | Not available |
| Fuel tank | 8.3 gal | 8 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 29 x 30 x 26 | 30.2 x 27.5 x 26.3 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 25 % |
| Engine | ||
| Engine | 500 cc OHV 4-stroke, cast iron sleeve | Firman Max-Pro Series OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 5 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 10500 W | 8000 W |
| Starting watts | 13000 W | 10000 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 | 12 h |
| Run time @25% load | 17 h | Not available |
| Propane | Not available | Not available |
| Running watts | 9975 W | 7250 W |
| Starting watts | 12350 W | 9050 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 | 3.2 h | 5 h |
| 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 | Bonded to frame |
| UPC | 811640016234 | 840876180518 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 10500 | 8000 |
| Running Watts (Propane) | 9975 | 7250 |
| Starting Watts (Gasoline) | 13000 | 10000 |
| Starting Watts (Propane) | 12350 | 9050 |
| Runtime @ 50% Load (Gasoline) | 8.5 | 12 |
| Runtime @ 50% Load (Propane) | 3.2 | 5 |
| 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) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | OHV 4-stroke |
| Engine Displacement | 500 | 439 |
| Cylinder Sleeve | Cast iron sleeve | Cast iron |
| Alternator Winding Material | Copper | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17 | Not available |
| Runtime @ 50% Load (Gasoline) | 8.5 | 12 |
| Runtime @ 50% Load (Propane) | 3.2 | 5 |
| 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 | No |
| Included equipment | ||
| Mobility Components | Not available | Wheel kit |
| Starting Components | Recoil, Electric | Recoil, Electric |
| Fuel Connection Components | Not available | Propane hose |
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit | Oil, funnel, tool kit, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 5 | 3 |
| 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 Firman H08051 is an 8,000-watt dual-fuel generator built to power job sites, homes during outages, and RV setups. Running on gasoline, it delivers 8,000 watts continuously and 10,000 watts at startup, enough to run a refrigerator, microwave, and multiple power tools at once. Switch to propane and the output drops to 7,250 watts running and 9,050 watts starting, a trade-off for fuel flexibility and longer shelf life. The 439cc cast-iron engine is engineered for durability in commercial and residential use. At 212 pounds, this is a stationary or semi-portable unit, not a grab-and-go machine. |