GENERATORDB
154 units

Yamaha EF4500iSE

Inverter
Running
4,000W
Starting
4,500W

500 W of surge headroom. Size your load against the lit figure, never the left one — the left one is what the box advertises.

Check price

Power

Fuel
Gasoline
Start
——
Inverter
Yes

Operation

Noise
60
Runtime
15.2 h

15.2 hrs at 1/4 rated load — Yamaha does not publish a rated-load figure

Tank
4.5 gal
Weight
209 lb
List price
——

Safety and compliance

CO shutoff
——
CARB
——
Transfer switch
——

CO shutoff not stated by the manufacturer. Run it outdoors only, never in a garage or on a porch, and keep it at least 20 feet from any opening. Portable generators kill roughly 85 people a year in the US, almost always indoors.

Transcribed from the manufacturer’s published specification. Check it against the nameplate before buying.

Comparable output

UnitOutputRunStartFuelNoise dBRun hCOMSRPRetailer
Yamaha EF5500D4,5005,500GAS74.19————Price
Yamaha EF5500DE4,5005,500GAS74.19————Price
Yamaha EF3000iS2,8003,000GAS54.518.6————Price
Yamaha EF3000iSEB2,8003,000GAS54.518.6————Price