Compare Generators Side-by-Side

Generator

Generator

5000 W

420 lbs

120

120/240

223 cc OHV 4-stroke

Generac G-Force OVHI 4-stroke

Recoil

Electric

3 years

3 years

5000 W

19300 W

CARB

EPA

696471075809

696471083705

4000

15500

10

11

60

60

OHV 4-stroke

G-Force OVHI 4-stroke

10W-30 / SAE 30

10

11

Low oil and overload protection, CO monitoring

Low oil and overload protection, CO monitoring

Oil, funnel, and wheel kit

Oil, 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 Generac #7705 GP15500EFI is a 15,500-watt gasoline generator built for whole-house backup and RV power. Electronic Fuel Injection adjusts fuel delivery based on load, meaning the engine burns only what it needs rather than running at a fixed rate. At this wattage, it can run central air conditioning, a well pump, kitchen appliances, and multiple lighting circuits simultaneously, functioning as a realistic alternative to a permanently installed standby system without the installation cost or natural gas hookup.