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Yamaha EF4500ISE Portable Inverter Generator

by Yamaha
Typically available in 5-10 business days. Manufacturer lead times may vary.
Original price $4,499.00 - Original price $4,499.00
Original price
$4,499.00 - $4,499.00
Current price $4,499.00

The 4500 Watt EF4500iSE weighs 194 pounds, starts with ease with its electric starter, and is capable of running an RV air conditioner, microwave oven and more all at the same time. Designed to be acoustically sound, this extremely quiet generator (53-60 dBA) features Smart Throttle which allows greater fuel efficiency and noise reduction. It will run up to 19 hours at ¼ rated load on a tank of gas. With features such as Built-In Wheels, Electric Start, and an Oil Watch Warning System, the EF4500iSE is one of the most powerful portable medium-range inverters!


4500 watt maximum output, 4000 watt rated continuous output
Suitable for running an RV 15,000 btu air conditioner and 1000 watt microwave oven, or two other major RV appliances simultaneously.

Legal for sale in all 50 states
Meets CARB emission regulations.

Very quiet
58~60 decibels.

Low Speed Running
Using the most powerful engine in its class to run at a constant ultra low speed of 2600 rpm to reduce gasoline consumption, extend running time between refueling and reduce noise and engine wear.

Running Time
Up to 15.2 hours running time at one quarter rated load between refueling.

Complies with California Air Resources Board Tier III exhaust emission standard. Qualifies for the highest engine life rating (Extended). Exceeds 1000 hours emission compliance.

Pulse Width Modulation Inverter System
Sine wave as clean as or cleaner than household electricity. Suitable for computers, televisions, satellite TV systems and other sensitive electronic equipment and appliances.

Optional wireless remote control
Start and stop the generator from up to 66 feet away.

Electric Start
Effortless turn the key to start.

Automatic Choke
Easy starting even in cold climates.

Low Oil Warning System
Shuts the engine off to protect the engine if the oil level drops.

Power Meter
Easy to read meter indicates the amount of power being used and the amount that's available.

Hour Meter
Displays the amount of running time accumulated to indicate servicing or refueling interval.

Twin Bar
Aids in lifting and loading. Also utilize for transport and anti-theft security.

Gas gauge
Indicates amount of gasoline to indicate refueling interval.

Stylish Design that is attractive and practical.

Easy Transport
Four wheels with parking brake for easy transport and security.


Model / Model Code: EF4500iSE
Warranty Type: 3 Year Limited Warranty
Dimensions (length/width/height): 30.7" x 24.3" x 27.2"
Dry Weight: 194 lbs
Engine Type: OHV, Air-Cooled, Four-Stroke, Single Cylinder
Displacement: 357cc
Engine Tank Capacity: 4.5 Gallons
Fuel Type: Unleaded Regular
Cooling System
Cooling Type: Air Cooled
Type: Brushless, Inverter
Maximum AC Output: 4500 Watts
Rated AC Output: 4000 Watts
Rated AC Current / Max AC Current: 33.3/37.5 amps @ 120V
Noise Level 1/4 Load/ Full Load: 58 dBA / 60dBA
Continuous Operation at 1/4 Rated Load: 15.2 Hrs.

⚠ #2 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and, which are know to the the State of California to cause birth defects or other reproductive harm. For more information, go to