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| Specification | DuroStar DS13000MX | Generac #8251 GP2500i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 10500 W | 2200 W |
| Starting watts | Winner: Winner: 13000 W | 2500 W |
| Noise (lower limit) | Winner: Winner: 74 dB | 0 dB |
| Weight | 209 lbs | Winner: Winner: 48 lbs |
| Run time @50% load | Winner: Winner: 8.5 h | 4.5 h |
| Run time @25% load | 17 h | 8 h |
| Fuel tank | 8.3 gal | 1 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 29.8 x 27.5 x 25.8 | 19.7 x 11.4 x 17.9 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | 500 cc OHV 4-stroke, cast iron sleeve | 98 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 10500 W | 2200 W |
| Starting watts | 13000 W | 2500 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 | 4.5 h |
| Run time @25% load | 17 h | 8 h |
| 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 | 3.3 h | Not available |
| Run time @25% load | 6.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Not available |
| UPC | 811640016746 | 696471003946 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 10500 | 2200 |
| Running Watts (Propane) | 9975 | Not available |
| Starting Watts (Gasoline) | 13000 | 2500 |
| Starting Watts (Propane) | 12350 | Not available |
| Runtime @ 50% Load (Gasoline) | 8.5 | 4.5 |
| Runtime @ 50% Load (Propane) | 3.3 | Not available |
| Runtime @ 25% Load (Gasoline) | 17 | 8 |
| Runtime @ 25% Load (Propane) | 6.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke, cast iron sleeve | 98 cc OHV 4-stroke |
| Engine Displacement | 500 | 98 |
| Cylinder Sleeve | Cast iron sleeve | Not available |
| Alternator Winding Material | Copper windings | Not available |
| Engine Oil Type | 10W-30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17 | 8 |
| Runtime @ 50% Load (Gasoline) | 8.5 | 4.5 |
| Runtime @ 50% Load (Propane) | 3.3 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Recoil |
| Included Accessories | Funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit | Oil, funnel, tool kit, and battery charging cables |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Part Number | Not available | 82512 |
| Additional specs | ||
| Summary | The DuroStar DS13000MX is a dual-fuel generator with a rated wattage of 10500 watts and a peak wattage of 13000 watts. It features a 500 cc OHV 4-stroke engine and is designed for versatile power needs. | The Generac GP2500i is a 2200-watt inverter generator built for portable backup power and recreational use. At 48 pounds, it moves easily between campsites, job sites, and emergency situations. The inverter technology means laptops, phones, and sensitive tools run safely because the power output stays stable. This unit runs on gasoline and delivers 2500 starting watts, so it can handle the initial surge when motors kick on. |
