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The Yamaha EF12000DE - 9,500 watt electric start portable generator is available for purchase today.

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Yamaha EF12000DE - 9,500 Watt Electric Start Portable Generator

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Yamaha Electric Generators and AccessoriesModel: EF12000DE
(Based on expert analysis, manufacturer ratings and customer reviews)
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
7 Reviews
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Factory DirectFactory Direct
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Factory items ship direct from the manufacturer. Shipping times vary.
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  • Features
  • Specs
  • Q&A 
  • 7
    Reviews
  • Articles
  • Shipping
  • Accessories
Grade

Style
Run Watts
9,500
Rated Watts
Surge Watts
12,000
Starting Watts
Fuel
Engine
12,000 Max Rated Watts
Generator can produce 12,000 watts for up to 20 minutes
9,500 rated watts for continuous operation over 20 minutes

Electric Start Yamaha Engine
Easily starts with a turn of the key

AC Non-fuse Thermal Breaker
Protects AC circuit in case of an overload for added durability

Cast-Iron Sleeve
Rugged material extends engine life span

Brushless Alternator
Low maintenance and years of worry-free service

Fuel Gauge & Voltmeter
Easily read gas and voltage levels
Engine
Engine Brand
Yamaha
Starting System
12-Volt Key Start
HP
22 HP
Consumer Engine Warranty
2 Years
Commercial Engine Warranty
1 Year
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Yes
Cast Iron Sleeve
Yes
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Alternator
Brushless
Auto Voltage Regulation
Not Necessary
Surge Watts
12000 Watts
Rated Watts
9500 Watts
Fuel Type
Gasoline
Rated Amps
40 @ 240 Volts (Single Phase) Amps
Portability Kit
Plastic Wheels
Tank Size
11.4 Gallons
Run Time @ 50% Load
10 Hours
Fuel Tank Material
Metal
Fuel Gauge
Yes
Decibel Rating @ 7m
80 dbA
Idle Control
Yes
Hour Meter
No
Voltage Meter
Yes
Lifting Eye
No
Battery
Not Included
Plugs
NEMA 5-20R - GFCI
2
NEMA L5-30R
1
NEMA L14-30R
1
CS6369 - 50-Amp Twistlock
1
Overview
Made in USA
No
Assembly Required
Yes
Weight
328 Pounds
Product Length
33.3 Inches
Product Width
29.6 Inches
Product Height
33.3 Inches
Consumer Warranty
2 Years
Commercial Warranty
1 Year
Model
EF12000DE
Download Documents


Outlets
NEMA 5-20R (GFCI)
NEMA 5-20R (GFCI)

NEMA L5-30R
NEMA L14-30R

CS6369 (50-Amp Twistlock)
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Yamaha EF12000DE Reviews & Ratings
7 Reviews  Sort by 
 
Guy A.
Pittsboro, NC
Most Helpful Positive Review
REVIEWED
OCT.
20
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Generator
Runs my whole house. Easy to start. No problems with this unit so far.
Guy Recommends This Yamaha Product
Was this review helpful?
00
Bob Austin
REVIEWED
AUG.
26
2006
5 out of 55 out of 55 out of 55 out of 55 out of 5
Yamaha Ef12000de - 9,500 Watt Electric Start Portable Generator Review
Best Generator I Have Ever Owned and I Have Had Hondas But Yamaha Tops Them as Far as Workmanship and Dependably You Buy a Better Generator
Was this review helpful?
141
Ed Passaro
REVIEWED
AUG.
25
2006
5 out of 55 out of 55 out of 55 out of 55 out of 5
Yamaha Ef12000de - 9,500 Watt Electric Start Portable Generator Review
EXCELLENT GENERATOR DOES EVERYTHING YOU NEED IT TO DO TROUBLE FREE cANT WAIT TO USE AGAIN qUIET
Was this review helpful?
132
John Lindsay
REVIEWED
MAY.
23
2007
5 out of 55 out of 55 out of 55 out of 55 out of 5
Yamaha Ef12000de - 9,500 Watt Electric Start Portable Generator Review
After one year of considerable use I could not be happier with this generator!
Was this review helpful?
100
Mete K.
Poughkeepsie, NY
Purchased from Electric Generators Direct
Purchased 1/26/15
REVIEWED
FEB.
19
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Generator
Quiet, well-made, and easy to operate. Packaging and delivery were very good. Wheels are difficult to install; but once installed, the generator moves without much effort.
Mete Recommends This Yamaha Product
Was this review helpful?
40
Glenn K.
Pilliger, MN
Purchased from Electric Generators Direct
Purchased 8/2/15
REVIEWED
SEP.
17
2015
4 out of 54 out of 54 out of 54 out of 54 out of 5
Love The Generator
Have not had a chance to give it the full test, but it will handle our guest cottage. We were without power for almost 6 days with no running water. Thank God we live on a lake and could take lake baths.

The only disappointment was the advertised free shipping. Generators Direct had a $50 shipping charge added to my credit card. No big deal, but not as advertised.
Glenn Recommends This Yamaha Product
Was this review helpful?
20
David L.
Corrales, NM
Purchased from Electric Generators Direct
Purchased 5/6/15
REVIEWED
JUL.
08
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
So Far So Good
I have used the generator once for an event lasting 8 hours. It worked flawlessly supplying 60Amps of power. Only comment I have is that I had to leave the event after 6 hours, run to a gas station and bring back more gasoline. On full load, it only runs for about 6 hours on a full tank.
David Recommends This Yamaha Product
Was this review helpful?
10
Free Freight
  • Ships via Semi-Truck
  • Curb Side Delivery
  • Free to Lower 48 States
We currently CANNOT ship this product to Alaska, Hawaii or any destination outside of the United States
Lift Gate Services
  • Safely Lowers Products Off the Truck
  • Requires Special Hydraulic Lift
  • Free Lift Gate
 Learn More  Learn More
 


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