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Yamaha EF5500DE 5500 Watt Generator with CO Sensor

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  • Free Shipping Type
  • Yamaha Standard Warranty
  • Add a Yamaha Extended Warranty
Price: $1,799.10

   Current Availability: In Stock - Orders Received by 2PM PST Ship Same Day
Product Code: EF5500DE

Description Specifications Shipping & Terms


THE ALL NEW EF5500DE with CO Sensor!

Purchase the Portable Electric Yamaha EF5500DE 5500 Watt Consumer Generator for emergencies, tailgate parties, camping, and other outdoor activities at yamahagenerators.com! The EF5500DE uses a 358cc OHV engine with recoil start that combines 5500 watts maximum AC output with outstanding fuel efficiency. Allows 9 hours of continuous operation on a single tank of fuel.

Newly designed steel wheels for more durability and a premium look!


  • CO Sensor - Engine shuts off if a high level of carbon monoxide is detected
  • Reduced price, more wattage – Great value with the same legendary quality and performance.
  • Comes standard with wheels, fold-down/locking handles and battery.
  • Eight hours run time at full load – 13% longer run time than previous model.
  • Digital Hour Meter, Digital Volt Meter displays total run time accumulation for servicing and indicates the voltage output.
  • 3 year industrial and residential warranty with optional Y.E.S. for customer peace of mind.
  • Lifting eye convenient for hoisting and security.
  • OHV engine offers efficiency, increased reliability, and quieter operation.
  • Full power, full time 120/240 dual voltage is ideal for higher voltage requirements.
  • Ground Fault Circuit Interruption (GFCI) senses a leak to ground to reduce risk of electric shock
  • Fuel gauge provides easy monitoring of fuel level
  • The EF5500DE features a rugged design with full roll cage protection for heavy jobs


  • New and improved OHV MZ360 engine with a hemispherical head ‐ Yamaha legendary durability and reliability.
  • Rugged Wheel kit w/fold-down locking handles ‐ Standard on the EF5500DE.
  • The battery is standard on the EF5500DE - Wheel kit and Battery are a great value and offer added convenience for transport and starting
  • Cast iron cylinder lining ‐ Optimal heat dissipation.
  • Automatic oil warning system shuts off engine before oil level is low ‐ Prevents engine damage, avoids costly repairs, minimizes down time, enhances long term durability.
  • Transistorized ignition provides lean, efficient spark ‐ Maintenance-free and ensures fast, easy starting, reliable operation.
  • Auto decompression ‐ Automatically “opens” exhaust valve to reduce compression for easier starting.
  • EPA Emission Engine Life Rating ‐ The EF5500DE meets the strictest environmental standards - EPA and CARB.
  • Ground Fault Interrupter (G.F.I.) ‐ If the system senses a leak to “ground,” it automatically cuts off power to help prevent injuries.
  • Fuel gauge ‐ Lets operator monitor how much fuel is left.
  • Tool kit ‐ Makes service easier.
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Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 9 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 Generator Purchase November 16, 2020
Reviewer: Chris Taylor from Lancaster, KY United States  
National Supply was easy to deal with and make a purchase from. They also had the model generator in I was looking for where others were telling me they didnt know when or if they could get me one. Shipping was no hassle as well.

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  0 of 0 people found the following review helpful:
5 of 5 Generator purchase March 20, 2020
Reviewer: DON THOMPSON from Rosamond, CA United States  
Service was excellent. Employee was very knowledgable and helpful. Would definately use again. Shipping was very fast.

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  0 of 0 people found the following review helpful:
5 of 5 No issues September 14, 2019
Reviewer: Allen Caton from Seminole, FL United States  
Great products I re-powered my boat to Yamaha  outboard, love the quality.  When I found the Yamaha generators I purchased one without hesitation.  Doing business with National Supply was quick and easy.

Thank you guys!

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  0 of 0 people found the following review helpful:
5 of 5 Good product October 25, 2018
Reviewer: Charles Nash from Sherman, TX United States  
Does what y'all say it will do and I'm happy

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  0 of 0 people found the following review helpful:
5 of 5 National Supply October 3, 2018
Reviewer: Jordan Elliott from Bella Vista, AR United States  
I had a fantastic experience with National Supply. I had some specific shipping requirements noted within my order and received a call literally about 4 minutes after I submitted my order. Everything was delivered on-time and at great price.  I have already recommended you to a friend who is in the market for a generator.

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