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| Specification | Briggs & Stratton 30814 P4500 PowerSmart | DuroMax XP5500HX |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | Yes | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | 3700 W | Winner: Winner: 4500 W |
| Starting watts | 4500 W | Winner: Winner: 5500 W |
| Noise (lower limit) | Winner: Winner: 60 dB | 69 dB |
| Weight | Winner: Winner: 104 lbs | 128 lbs |
| Run time @50% load | Not available | Winner: Winner: 9 h |
| Run time @25% load | 16 h | 19 h |
| Fuel tank | 3.5 gal | 4 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24.5 x 17.6 x 20.36 | 23 x 25 x 22 |
| Electrical | ||
| Voltage (AC) | 120 | 120/240 |
| Voltage (DC) | 5 | 5 |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | Not available |
| Engine | ||
| Engine | Briggs & Stratton OHV 4-stroke 224 cc | 210 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 5 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3700 W | 4500 W |
| Starting watts | 4500 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 | 9 h |
| Run time @25% load | 16 h | 19 h |
| Propane | Not available | Not available |
| Running watts | Not available | 4275 W |
| Starting watts | Not available | 5225 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 | Not available | 15 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Not available |
| UPC | 11675308148 | 811640016203 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3700 | 4500 |
| Running Watts (Propane) | Not available | 4275 |
| Starting Watts (Gasoline) | 4500 | 5500 |
| Starting Watts (Propane) | Not available | 5225 |
| Runtime @ 50% Load (Gasoline) | Not available | 9 |
| Runtime @ 50% Load (Propane) | Not available | 8 |
| Runtime @ 25% Load (Gasoline) | 16 | 19 |
| Runtime @ 25% Load (Propane) | Not available | 15 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R) | 1x Duplex 120V 20A (5-20R) 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Briggs & Stratton OHV 4-stroke | 210 cc OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 224 | 210 |
| Cylinder Sleeve | Not available | cast iron sleeve |
| Alternator Winding Material | Not available | Copper windings |
| Engine Oil Type | Not available | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 16 | 19 |
| Runtime @ 50% Load (Gasoline) | Not available | 9 |
| Runtime @ 50% Load (Propane) | Not available | 8 |
| Controls & display | ||
| Display Type | Digital | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Not available |
| Included Accessories | Oil, funnel, key fob, and battery | Funnel, tool kit, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 5 |
| Part Number | 30814 | Not available |
| Additional specs | ||
| Summary | The Briggs & Stratton 30814 P4500 PowerSmart is a 3700-watt inverter generator built for users who need reliable backup power without the noise of traditional models. At 60 decibels, it runs quiet enough for residential neighborhoods and campgrounds, making it suitable for homeowners managing outages, campers extending trips, and outdoor enthusiasts who cannot tolerate generator noise. The 4500-watt peak output handles startup surges for larger appliances like air conditioning units or power tools, while the 3700-watt running capacity sustains continuous operation. With a 3.5-gallon fuel tank and 16-hour runtime at 25% load, users can power essential devices through a full night or longer without refueling. The inverter technology produces only 3% THD, which means laptops, smartphones, and other sensitive electronics charge safely without risk of voltage spikes or damage. | 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. |