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Firman W01785 vs Yamaha EF2200iS

What is the difference?

The Firman W01785 has 1.7 kW of running power, 2.1 kW peak. The Yamaha EF2200iS has 1.8 kW of running power, 2.2 kW peak.

The Firman W01785 weighs 46 lb, the Yamaha EF2200iS weighs 55 lb. The Firman W01785 is easier to carry.

Specs side by side

Firman W01785Yamaha EF2200iS
Running W17001800
Peak W21002200
Fuel——
Tank (gal)—1.2
Run time @50 % (h)——
Noise (dB)——
CO shutoffyes—
Weight (lb)4655
Warranty (yr)—3
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Specs as read from manufacturer pages on 2026-11-04 / 2026-10-25. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.

Common questions

Which has more running watts, Firman W01785 or Yamaha EF2200iS?

The Yamaha EF2200iS. More running watts: 1800 W vs 1700 W.

Which is lighter, Firman W01785 or Yamaha EF2200iS?

The Firman W01785. Lighter: 46 lb vs 55 lb.

More comparisons

Compare other models → · All Firman models · All Yamaha models