Compare Generators Side-by-Side

Generator

Generator

5000 W

194 lbs

15.5 h

120

120/240V 60 Hz

223 cc OHV 4-stroke

420 cc OHV 4-stroke

Recoil

Recoil, Electric

3 years

3 years

5000 W

8000 W

15.5 h

CARB

CARB, EPA

696471075809

4000

6500

10

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

2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)

60

60

OHV 4-stroke

OHV 4-stroke

10W-30

15.5

Low oil and overload protection, CO monitoring

Low oil and overload protection

Oil, funnel, and wheel kit

Oil, funnel, tool kit, battery, and wheel kit

3

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.

The Energizer eZV8000 is a 6,500-watt inverter generator built around a 420cc OHV 4-stroke engine. This wattage places it squarely in the mid-to-heavy duty range, capable of powering multiple household appliances simultaneously. A typical home refrigerator (600 watts), microwave (1000 watts), and several lights (300 watts) can run together, leaving headroom for power tools or additional devices. The 8,000-watt peak rating handles the inrush demand when motors first spin up. Because the eZV8000 runs on gasoline and includes inverter technology with less than 3% THD, users can safely power laptops, TVs, and other sensitive electronics without risk of damage from power spikes. The 5.5-gallon fuel tank delivers 15.5 hours of runtime at 25% load, meaning a full tank can sustain light-duty operation through an entire workday or camping trip.