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| Specification | DuroStar DS4000S | VEVOR R3000iEP |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 3300 W | 3200 W |
| Starting watts | 4000 W | Winner: Winner: 4200 W |
| Noise (lower limit) | 69 dB | Winner: Winner: 66 dB |
| Weight | Winner: Winner: 92 lbs | 97 lbs |
| Run time @50% load | Winner: Winner: 12 h | 8.5 h |
| Run time @25% load | 26 h | Not available |
| Fuel tank | 4 gal | 2.3 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 23 x 18 x 17.5 | 23.2 x 18.0 x 20.1 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | No | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | No |
| THD | Not available | Not available |
| Engine | ||
| Engine | DuroStar OHV 4-stroke | Not available |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 3 years | Not available |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3300 W | 3200 W |
| Starting watts | 4000 W | 4200 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 | 12 h | 8.5 h |
| Run time @25% load | 26 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | Not available |
| Compliance | CARB, EPA | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 811640011840 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3300 | 3200 |
| Starting Watts (Gasoline) | 4000 | 4200 |
| Runtime @ 50% Load (Gasoline) | 12 | 8.5 |
| Runtime @ 25% Load (Gasoline) | 26 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R) | Not available |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | Not available |
| Engine Displacement | 208 | Not available |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 26 | Not available |
| Runtime @ 50% Load (Gasoline) | 12 | 8.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | No |
| Included equipment | ||
| Included Accessories | Funnel and tool kit | Not available |
| Warranty & identification | ||
| Part Number | Not available | R3000iEP |
| Additional specs | ||
| Summary | The DuroStar DS4000S is a 3,300-watt gasoline generator built around a DuroStar OHV 4-stroke engine that delivers 4,000 peak watts for startup surges. This wattage range powers essential household appliances, power tools, and small job site equipment simultaneously. A single person can operate it because the recoil starting system requires only manual pull-cord engagement, though the 92-pound weight means transport over distance demands planning. The 4-gallon fuel tank runs 26 hours at 25 percent load or 12 hours at 50 percent load, making it suitable for extended outages or multi-day outdoor use without constant refueling. EPA and CARB compliance clears this unit for all 50 states. | The VEVOR R3000iEP is a gasoline generator with a rated wattage of 3200 and a peak wattage of 4200. |
