Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- A-iPower SUA12000E
- DuroStar DS13000X
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | A-iPower SUA12000E | DuroStar DS13000X |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | Yes |
| Running watts | 9000 W | Winner: Winner: 10500 W |
| Starting watts | 12000 W | Winner: Winner: 13000 W |
| Noise (lower limit) | 78 dB | Winner: Winner: 74 dB |
| Weight | Winner: Winner: 206 lbs | 240 lbs |
| Run time @50% load | Winner: Winner: 9 h | 8.5 h |
| Run time @25% load | Not available | 17 h |
| Fuel tank | 7 gal | 8.3 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27.6 x 27 x 26.8 | 30 x 29 x 26 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 12 % |
| Engine | ||
| Engine | A-iPower OHV 4-stroke, cast iron sleeve | 500 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 2 years | 5 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 9000 W | 10500 W |
| Starting watts | 12000 W | 13000 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 | 9 h | 8.5 h |
| Run time @25% load | Not available | 17 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA | Carb, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Bonded to frame | Not available |
| UPC | 851217006114 | 811640016739 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 9000 | 10500 |
| Starting Watts (Gasoline) | 12000 | 13000 |
| Runtime @ 50% Load (Gasoline) | 9 | 8.5 |
| Runtime @ 25% Load (Gasoline) | Not available | 17 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 2x 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 | 500 cc OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 459 | 500 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Engine Oil Type | Not available | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 17 |
| Runtime @ 50% Load (Gasoline) | 9 | 8.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Starting Components | Recoil, Electric | Not available |
| Included Accessories | Oil, tool kit, battery charging cables, battery, and wheel kit | Funnel, tool kit, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 2 | Not available |
| Additional specs | ||
| Summary | The A-iPower SUA12000E is a 9000-watt gasoline generator built for job sites and home backup where substantial power matters. At 9000 running watts, it can simultaneously power a central air unit, electric water heater, and multiple household circuits, or run a full complement of construction tools on site. The 12000-watt peak handles the inrush current when motors and compressors start, which prevents the generator from shutting down under load. This is a stationary-class unit. The 206-pound weight and included wheel kit signal that this generator stays in one location per work session rather than moving between rooms or vehicles. | The DuroStar DS13000X is a 10,500-watt gasoline generator built to handle whole-home backup power and job site demands. With 13,000 peak watts and a 500cc OHV engine, this unit can run a full refrigerator, multiple air conditioning units, and power tools simultaneously. The 8.3-gallon fuel tank stretches runtime to 17 hours at 25% load, meaning users can maintain power through an entire night without refueling. At 50% load, the 8.5-hour runtime covers a typical workday, making this suitable for both emergency preparedness and extended outdoor use.
The DS13000X includes both recoil and electric start, so users avoid the frustration of pulling a cord in cold weather or after long storage. A 5-year warranty backs the unit, which is 60% longer than the 3.1-year industry average for this wattage class. The combination of power output, fuel capacity, and starting convenience positions this generator as a practical choice for homeowners and contractors who need reliable, extended-runtime power without the complexity of inverter technology. |
- Most PowerfulDuroStar DS13000X10500W running
- QuietestDuroStar DS13000X74 dB
- Longest RuntimeA-iPower SUA12000E9h at 50% load
Where to buy
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A-iPower SUA12000E
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DuroStar DS13000X
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