Compare Generators Side-by-Side

Generator

Generator

6850 W

185.2 lbs

120/240

322 cc OHV 4-stroke, cast iron sleeve.

Recoil, Electric

3 years

0 years

6850 W

9625 W

14.5 h

4500 W

6250 W

9.5 h

EPA, ANSI/PGMA G300-2023

840876155714

Generator

5000

6850

9625

5500

9.5

60

OHV 4-stroke

cast iron sleeve

14.5

Low oil and overload protection, CO monitoring

Oil, funnel, tool kit, propane hose, and battery

3

The Firman WT05571 is a 5,500-watt tri-fuel generator that runs on gasoline, propane, or natural gas. On gasoline, it delivers 6,850 starting watts and 5,500 running watts, enough to power a full home electrical panel during an outage or run multiple job site tools simultaneously. On propane, output drops to 6,250 starting and 5,000 running watts. On natural gas, it falls to 5,500 starting and 4,500 running watts. This fuel flexibility means users can switch between sources based on availability, cost, or storage preference without buying multiple generators. The tri-fuel capability makes this unit valuable for homeowners in regions with natural gas infrastructure, RV owners who can refill propane at any campground, and contractors who need to adapt to job site fuel availability. The 3 percent THD rating protects laptops, televisions, and other sensitive electronics from voltage spikes that damage circuits. At 67 decibels, the noise level sits between a typical conversation and heavy traffic, making it suitable for residential neighborhoods but audible enough that neighbors will know it is running.

The VEVOR GF9700E-A2 is a gasoline-powered generator rated at 7,000 running watts. This output level positions it to run multiple household circuits simultaneously, power job site tools, or serve as backup for a mid-sized home during an outage. The 9,625 peak wattage gives it headroom to start high-inrush appliances like air compressors and refrigeration units without stalling. With an 8.7 gallon fuel tank, the generator holds enough gasoline for extended operating sessions. The large tank capacity means fewer refueling interruptions during extended use, a practical advantage for remote job sites or emergency backup scenarios where frequent fuel runs are inconvenient.