Compare Generators Side-by-Side

Generator

Generator

4500 W

119 lbs

16 h

120

120

Briggs & Stratton OHV 4-stroke 224 cc

223 cc OHV 4-stroke

Recoil, Electric, Remote

Recoil

3 years

3 years

4500 W

5000 W

16 h

CARB, EPA

CARB

11675308148

696471075809

3700

4000

10

2x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)

2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R)

60

60

Briggs & Stratton OHV 4-stroke

OHV 4-stroke

16

Digital

Low oil and overload protection, CO monitoring

Low oil and overload protection, CO monitoring

Recoil, Electric, Remote

3

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 DEWALT DXGNR4000 is a 4000-watt gasoline generator built around a 223cc OHV 4-stroke engine. This wattage class sits at the threshold between household backup and light job site work. At 4000 running watts, it can power a refrigerator, sump pump, and several lights simultaneously during an outage, or run circular saws and air compressors on a construction site, but not both at full capacity. The 5000-watt peak handles motor startup surges, which matters when appliances draw 20 to 30 percent more current at the moment they turn on. The DXGNR4000 targets users who need portability without sacrificing power. A 3.4-gallon fuel tank delivers 10 hours of runtime at half load, meaning a full tank gets you through a night of backup power or a full workday on site. The recoil start requires physical effort to fire up, but it eliminates the complexity and cost of electric ignition. DEWALT backs this unit with a three-year warranty, signaling confidence in the engine and electrical components.