Compare Generators Side-by-Side

Generator

Generator

4000 W

420 lbs

120

120/240

212 cc OHV 4-stroke

Generac G-Force OVHI 4-stroke

Recoil

Electric

3 years

3 years

4000 W

19300 W

CARB

EPA

743184017579

696471083705

3400

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

Wheel kit

Oil, battery, and wheel kit

3

The ECHO EGi-4000 is a 3,400-watt inverter generator built around a 212 cc OHV 4-stroke engine. This wattage class handles essential household appliances during outages, job site tools, and RV systems. The 4,000-watt peak capacity means it can start larger equipment like air compressors or circular saws without stalling. Because the unit runs on gasoline with a 3.3-gallon tank, users will find refueling cycles manageable for weekend trips or short-term backup scenarios. The inverter technology protects laptops, phones, and other sensitive electronics from power fluctuations. A 10-hour runtime at 50% load means users can operate mid-range loads like a refrigerator or power tools for most of a workday without refueling. The 86-pound weight and included wheel kit make it movable for one person, though not effortless.

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.