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| Specification | DuroStar DS13000MXT | Yamaha EF6300iSDE |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Tri-Fuel | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 10500 W | 5500 W |
| Starting watts | Winner: Winner: 13000 W | 6300 W |
| Noise (lower limit) | 74 dB | Winner: Winner: 58 dB |
| Weight | Winner: Winner: 211 lbs | 216 lbs |
| Run time @50% load | Winner: Winner: 8.5 h | 5 h |
| Run time @25% load | 17 h | 13.3 h |
| Fuel tank | 8.3 gal | 4.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 30.5 x 27.3 x 26 | 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 | Not available | <4.0% % |
| Engine | ||
| Engine | 500 cc OHV 4-stroke, cast iron sleeve | 357 cc Yamaha MZ360 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 10500 W | 5500 W |
| Starting watts | 13000 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 | 8.5 h | Not available |
| Run time @25% load | 17 h | 13.3 h |
| Natural gas | Not available | Not available |
| Running watts | 9000 W | Not available |
| Starting watts | 11250 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 | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 10000 W | Not available |
| Starting watts | 12500 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 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 811640017149 | 765053849371 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 10500 | 5500 |
| Running Watts (Propane) | 10000 | Not available |
| Running Watts (Natural Gas) | 9000 | Not available |
| Starting Watts (Gasoline) | 13000 | 6300 |
| Starting Watts (Propane) | 12500 | Not available |
| Starting Watts (Natural Gas) | 11250 | Not available |
| Runtime @ 50% Load (Gasoline) | 8.5 | Not available |
| Runtime @ 50% Load (Propane) | 3.3 | Not available |
| Runtime @ 25% Load (Gasoline) | 17 | 13.3 |
| Runtime @ 25% Load (Propane) | 6.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 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, cast iron sleeve | OHV 4-stroke |
| Engine Displacement | 500 | 357 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Alternator Winding Material | Copper windings | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 17 | 13.3 |
| Runtime @ 50% Load (Gasoline) | 8.5 | Not available |
| 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 | ||
| Included Accessories | Funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, battery, and wheel kit | Battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | EF63ISDEX |
| Additional specs | ||
| Summary | The DuroStar DS13000MXT is a 10,500-watt tri-fuel generator built for high-demand applications. Its tri-fuel capability (gasoline, propane, natural gas) and 13,000-watt starting capacity make it suitable for whole-house backup, RV power, and job-site work where fuel supply flexibility matters. | 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. |