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| Specification | A-iPower GXS5000D | Genmax GM5500XiD |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 4000 W | Winner: Winner: 4000 W |
| Starting watts | 5000 W | Winner: Winner: 5500 W |
| Noise (lower limit) | Winner: Winner: 68 dB | Winner: Winner: 68 dB |
| Weight | 114.6 lbs | Winner: Winner: 68 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | Winner: Winner: 20 h | 11 h |
| Fuel tank | 6.3 gal | 2.2 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24 x 23.6 x 24 | 23.1 x 18.5 x 17.8 |
| 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 | 160 cc OHV 4-stroke engine. |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 3 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 4000 W | 4000 W |
| Starting watts | 5000 W | 5500 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 | 8 h |
| Run time @25% load | 20 h | 11 h |
| Propane | Not available | Not available |
| Running watts | 3600 W | 3600 W |
| Starting watts | 4500 W | 4950 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 | 12.5 h |
| Run time @25% load | 11 h | 17.5 h |
| Other | ||
| Data center | Digital Data Center | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | CARB, EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 850016881311 | 860013299040 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 4000 | 4000 |
| Running Watts (Propane) | 3600 | 3600 |
| Starting Watts (Gasoline) | 5000 | 5500 |
| Starting Watts (Propane) | 4500 | 4950 |
| 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 | 8 |
| Runtime @ 50% Load (Propane) | Not available | 12.5 |
| Runtime @ 25% Load (Gasoline) | 20 | 11 |
| Runtime @ 25% Load (Propane) | 11 | 17.5 |
| 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 | OHV 4-stroke, cast iron sleeve | OHV 4-stroke engine |
| Engine Displacement | 223 | 160 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Engine Oil Type | Not available | SAE 10W/30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 20 | 11 |
| Runtime @ 50% Load (Gasoline) | Not available | 8 |
| Runtime @ 50% Load (Propane) | Not available | 12.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Mobility Components | Folding handle and wheels | Not available |
| Included Accessories | Oil, funnel, tool kit, propane hose, RV adapter, and wheel kit | Oil, funnel, tool kit, propane hose, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Additional specs | ||
| Summary | The A-iPower GXS5000D is a 4,000-watt dual-fuel portable generator built around a 223cc OHV 4-stroke engine with cast iron sleeves. On gasoline, it delivers 5,000 starting watts and 4,000 running watts. On propane, output drops to 4,500 starting watts and 3,600 running watts. This power level handles mid-range job site demands: circular saws, air compressors, multiple power tools running simultaneously, or a household refrigerator plus several circuits during an outage. The dual-fuel design means users can switch between gasoline and propane based on availability, storage preference, or runtime needs. Compliance with CARB and EPA standards confirms emissions control without sacrificing performance.
The 6.3-gallon fuel tank stretches runtime significantly at light loads. On gasoline at 25 percent load, users get 20 hours of operation before refueling. This extended runtime makes the GXS5000D practical for all-day job sites or overnight emergency backup without constant attention. Propane runtime at the same load reaches 11 hours, a meaningful difference for users who prioritize fuel storage or longer shelf life. | The Genmax GM5500XiD is a 4000-watt dual-fuel inverter generator that handles essential household loads, power tools, and RV systems simultaneously. Running on gasoline or propane, it delivers clean 3% THD output safe for laptops and televisions. At 68 pounds with a wheel kit included, this unit moves easily between storage and deployment. |