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.
- Genmax GM5500XiD
- Pulsar PGX5250BiXCO
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 | Genmax GM5500XiD | Pulsar PGX5250BiXCO |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 4000 W | Winner: Winner: 4000 W |
| Starting watts | Winner: Winner: 5500 W | 5250 W |
| Noise (lower limit) | Winner: Winner: 68 dB | 70 dB |
| Weight | 68 lbs | Winner: Winner: 64 lbs |
| Run time @50% load | Not available | Winner: Winner: 6 h |
| Run time @25% load | 11 h | Not available |
| Fuel tank | 2.2 gal | 2.1 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 23.1 x 18.5 x 17.8 | 17.5 x 14.9 x 19.5 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | 12 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | ≤3% % | Not available |
| Engine | ||
| Engine | 160 cc OHV 4-stroke engine. | 223 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 1 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 4000 W | 4000 W |
| Starting watts | 5500 W | 5250 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 h | 6 h |
| Run time @25% load | 11 h | Not available |
| Propane | Not available | Not available |
| Running watts | 3600 W | 3600 W |
| Starting watts | 4950 W | 4700 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 | 12.5 h | 10 h |
| Run time @25% load | 17.5 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | true |
| UPC | 860013299040 | 814726029852 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 4000 | 4000 |
| Running Watts (Propane) | 3600 | 3600 |
| Starting Watts (Gasoline) | 5500 | 5250 |
| Starting Watts (Propane) | 4950 | 4700 |
| Runtime @ 50% Load (Gasoline) | 8 | 6 |
| Runtime @ 50% Load (Propane) | 12.5 | 10 |
| Runtime @ 25% Load (Gasoline) | 11 | Not available |
| Runtime @ 25% Load (Propane) | 17.5 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke engine | Not available |
| Engine Displacement | 160 | 223 |
| Engine Oil Type | SAE 10W/30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 11 | Not available |
| Runtime @ 50% Load (Gasoline) | 8 | 6 |
| Runtime @ 50% Load (Propane) | 12.5 | 10 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Oil, funnel, tool kit, and propane hose |
| Included Accessories | Oil, funnel, tool kit, propane hose, and wheel kit | Oil, funnel, tool kit, and propane hose |
| Additional specs | ||
| Summary | 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. | The Pulsar PGX5250BiXCO 5250W Dual Fuel Inverter Generator is a reliable power solution for emergency power, off-grid needs, RV trips, and jobsite use. With dual fuel capability, it operates on either gasoline or propane, giving you flexibility when fuel availability changes. Its advanced inverter technology delivers clean, stable electricity that’s safe for sensitive electronics such as laptops, mobile devices, and televisions. |
- Most PowerfulGenmax GM5500XiD4000W running
- QuietestGenmax GM5500XiD68 dB
- Longest RuntimePulsar PGX5250BiXCO6h at 50% load
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Genmax GM5500XiD
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Pulsar PGX5250BiXCO
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