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.
- DuroMax XP5500HX
- Sportsman GEN4000DF
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 | DuroMax XP5500HX | Sportsman GEN4000DF |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 4500 W | 3500 W |
| Starting watts | Winner: Winner: 5500 W | 4000 W |
| Noise (lower limit) | Winner: Winner: 69 dB | Winner: Winner: 69 dB |
| Weight | 128 lbs | Winner: Winner: 90 lbs |
| Run time @50% load | 9 h | Winner: Winner: 10 h |
| Run time @25% load | 19 h | Not available |
| Fuel tank | 4 gal | 3.6 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 23 x 25 x 22 | 24.5 x 17 x 16.5 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | 5 | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | 210 cc OHV 4-stroke, cast iron sleeve | 212 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil |
| Warranty | ||
| Warranty | 5 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 4500 W | 3500 W |
| Starting watts | 5500 W | 4000 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 | 10 h |
| Run time @25% load | 19 h | Not available |
| Propane | Not available | Not available |
| Running watts | 4275 W | 3100 W |
| Starting watts | 5225 W | 3600 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 | 12 h |
| Run time @25% load | 15 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Not available |
| UPC | 811640016203 | 27077801323 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 4500 | 3500 |
| Running Watts (Propane) | 4275 | 3100 |
| Starting Watts (Gasoline) | 5500 | 4000 |
| Starting Watts (Propane) | 5225 | 3600 |
| Runtime @ 50% Load (Gasoline) | 9 | 10 |
| Runtime @ 50% Load (Propane) | 8 | 12 |
| Runtime @ 25% Load (Gasoline) | 19 | Not available |
| Runtime @ 25% Load (Propane) | 15 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 210 cc OHV 4-stroke, cast iron sleeve | OHV 4-stroke |
| Engine Displacement | 210 | 212 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Alternator Winding Material | Copper windings | Not available |
| Engine Oil Type | 10W-30 | SAE10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 19 | Not available |
| Runtime @ 50% Load (Gasoline) | 9 | 10 |
| Runtime @ 50% Load (Propane) | 8 | 12 |
| 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 | ||
| Included Accessories | Funnel, tool kit, propane hose, battery, and wheel kit | Funnel, tool kit, propane hose, and battery charging cables |
| Warranty & identification | ||
| Commercial Warranty | 5 | Not available |
| Additional specs | ||
| Summary | The DuroMax XP5500HX is a 4,500-watt dual-fuel generator built for homeowners, job sites, and outdoor events. Running on either gasoline or propane, it delivers 5,500 peak watts at startup, enough to power refrigerators, air conditioning units, power tools, and multiple devices simultaneously. The dual-fuel design eliminates fuel sourcing constraints. At 25% load on gasoline, the unit runs for 19 hours before refueling, stretching a single tank across an entire workday or overnight camping trip. This runtime advantage makes it practical for extended outages or remote projects where frequent refueling would interrupt operations. | The Sportsman GEN4000DF is a dual fuel generator capable of producing 4,000 surge watts and 3,500 running watts, suitable for powering RVs, household appliances, and power tools. |
- Most PowerfulDuroMax XP5500HX4500W running
- QuietestDuroMax XP5500HX69 dB
- Longest RuntimeSportsman GEN4000DF10h at 50% load
Where to buy
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DuroMax XP5500HX
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Sportsman GEN4000DF
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