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| Specification | A-iPower GXS5000RD | Cummins Onan P4500i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 4000 W | 3700 W |
| Starting watts | Winner: Winner: 5000 W | 4500 W |
| Noise (lower limit) | 68 dB | Winner: Winner: 52 dB |
| Weight | 124 lbs | Winner: Winner: 98 lbs |
| Run time @50% load | Not available | Winner: Winner: 15 h |
| Run time @25% load | 20 h | 18 h |
| Fuel tank | 6.3 gal | 3.4 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24 x 23.6 x 24 | 24.5 x 18.3 x 20.5 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | Not available | 5 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 3 % |
| Engine | ||
| Engine | 223 cc OHV 4-stroke, cast iron sleeve | 224 cc Ducar OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil; Electric; Remote |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 4000 W | 3700 W |
| Starting watts | 5000 W | 4500 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 | Not available | 15 h |
| Run time @25% load | 20 h | 18 h |
| Propane | Not available | Not available |
| Running watts | 3600 W | Not available |
| Starting watts | 4500 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 | 11 h | Not available |
| Other | ||
| Data center | Digital Data Center | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 850016881328 | 690781007925 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 4000 | 3700 |
| Running Watts (Propane) | 3600 | Not available |
| Starting Watts (Gasoline) | 5000 | 4500 |
| Starting Watts (Propane) | 4500 | Not available |
| Rated Watts (Gasoline) | 4000 | Not available |
| Rated Watts (Propane) | 3600 | Not available |
| Peak Watts (Gasoline) | 5000 | Not available |
| Peak Watts (Propane) | 4500 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 15 |
| Runtime @ 25% Load (Gasoline) | 20 | 18 |
| Runtime @ 25% Load (Propane) | 11 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 223 cc OHV 4-stroke | Ducar OHV 4-stroke |
| Engine Displacement | 223 | 224 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Engine Oil Type | 10W-30 | 10W30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 20 | 18 |
| Runtime @ 50% Load (Gasoline) | Not available | 15 |
| Controls & display | ||
| Display Type | Digital Data Center | Not available |
| 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 | Wheels and folding handle | Not available |
| Starting Components | Battery and fob included | Not available |
| Included Accessories | Oil, funnel, tool kit, key fob, propane hose, RV adapter, battery, and wheel kit | Oil, funnel, tool kit, key fob, battery charger, and battery |
| Warranty & identification | ||
| Residential Warranty | 3 | Not available |
| Commercial Warranty | 3 | 3 |
| Part Number | GXS5000RD | A058U955 |
| Additional specs | ||
| Summary | The A-iPower GXS5000RD is a 4,000-watt dual-fuel generator built around a 223cc OHV engine that runs on either gasoline or propane. On gasoline, it delivers 5,000 starting watts and 4,000 running watts. On propane, output drops to 4,500 starting and 3,600 running watts. This power level handles most household circuits, power tools, and mid-range job site equipment simultaneously. The dual-fuel design means users can switch between fuels based on availability, cost, or storage preference. A 6.3-gallon tank paired with 20-hour runtime at 25% load reduces refueling frequency during light-duty work. The 68 dBA noise level sits between a normal conversation and a vacuum cleaner, making it acceptable for residential neighborhoods with reasonable distance from neighbors. | The Cummins Onan P4500i is a 3700-watt inverter generator built for users who need reliable power without the noise penalty. Its 4500-watt peak capacity handles startup surges for air conditioners, power tools, and RV air conditioning units. The gasoline engine runs clean enough for sensitive electronics like laptops and phones, thanks to a 3 percent THD rating that protects against voltage spikes. This unit bridges the gap between portable camping generators and stationary backup power, making it useful for RV owners, homeowners facing extended outages, and contractors working near occupied spaces. |