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- Briggs & Stratton 30814 P4500 PowerSmart
- Westinghouse WGen14500TFc
Model 30814 P4500 PowerSmartBriggs & Stratton 3,700W Gas Generator
View details3700WRunning60 dBNoise
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 | Briggs & Stratton 30814 P4500 PowerSmart | Westinghouse WGen14500TFc |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Tri-Fuel |
| Inverter | Yes | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | 3700 W | Winner: Winner: 14500 W |
| Starting watts | 4500 W | Winner: Winner: 18000 W |
| Noise (lower limit) | Winner: Winner: 60 dB | 74 dB |
| Weight | Winner: Winner: 104 lbs | 348.3 lbs |
| Run time @50% load | Not available | Winner: Winner: 10 h |
| Run time @25% load | 16 h | 12 h |
| Fuel tank | 3.5 gal | 10.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24.5 x 17.6 x 20.36 | 30.3 x 34.9 x 34.3 |
| Electrical | ||
| Voltage (AC) | 120 | 120/240 |
| Voltage (DC) | 5 | 5 |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | 5 % |
| Engine | ||
| Engine | Briggs & Stratton OHV 4-stroke 224 cc | 713 cc OHV V-Twin, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3700 W | 14500 W |
| Starting watts | 4500 W | 18000 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 | 10 h |
| Run time @25% load | 16 h | 12 h |
| Natural gas | Not available | Not available |
| Running watts | Not available | 11600 W |
| Starting watts | Not available | 14400 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 | Not available |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | Not available | 13000 W |
| Starting watts | Not available | 16000 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 | 3.5 h |
| Run time @25% load | Not available | 4 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | true |
| UPC | 11675308148 | 850032657792 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3700 | 14500 |
| Running Watts (Propane) | Not available | 13000 |
| Running Watts (Natural Gas) | Not available | 11600 |
| Starting Watts (Gasoline) | 4500 | 18000 |
| Starting Watts (Propane) | Not available | 16000 |
| Starting Watts (Natural Gas) | Not available | 14400 |
| Runtime @ 50% Load (Gasoline) | Not available | 10 |
| Runtime @ 50% Load (Propane) | Not available | 3.5 |
| Runtime @ 25% Load (Gasoline) | 16 | 12 |
| Runtime @ 25% Load (Propane) | Not available | 4 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R) | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Briggs & Stratton OHV 4-stroke | 713 cc OHV V-Twin, cast iron sleeve |
| Engine Displacement | 224 | 713 |
| Cylinder Sleeve | Not available | cast iron sleeve |
| Alternator Winding Material | Not available | Copper windings |
| Engine Oil Type | Not available | SAE 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 16 | 12 |
| Runtime @ 50% Load (Gasoline) | Not available | 10 |
| Runtime @ 50% Load (Propane) | Not available | 3.5 |
| Controls & display | ||
| Display Type | Digital | 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 | Yes |
| Included equipment | ||
| Mobility Components | Not available | Yes |
| Starting Components | Recoil, Electric, Remote | Electric, Remote |
| Fuel Connection Components | Not available | Natural gas hose with NPT adapter, propane hose |
| Included Accessories | Oil, funnel, key fob, and battery | Oil, funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| 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 Westinghouse WGen14500TFc is a tri-fuel portable generator offering 18,000 peak watts and 14,500 running watts, suitable for home backup power. |
- Most PowerfulWestinghouse WGen14500TFc14500W running
- QuietestBriggs & Stratton 30814 P4500 PowerSmart60 dB
- Longest RuntimeWestinghouse WGen14500TFc10h at 50% load
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Briggs & Stratton 30814 P4500 PowerSmart
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