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Yamaha EF12000DE - 9,500 Watt Electric Start Portable Generator

Yamaha EF12000DE - 9,500 Watt Electric Start Portable Generator
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Model: 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
Number of Reviews (8)
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$3,959.10
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  • Product Description
  • 8
    Reviews
  • 2
    Product Q&A
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
+−
Grade
Style
Run Watts
9,500
Rated Watts
Surge Watts
12,000
Starting Watts
Fuel
Engine
Grade
Professional
Style
Portable
Run Watts
9,500
Surge Watts
12,000 Starting Watts
Fuel
Gasoline
Engine
Yamaha
Features
Features
  • 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
Specifications
Plugs
NEMA 5-20R (GFCI)
NEMA 5-20R (GFCI)
NEMA L5-30R
NEMA L14-30R
CS6369 (50-Amp Twistlock)
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
Yes
Surge Watts
12000 Watts
Rated Watts
9500 Watts
Fuel Type
Gasoline
Rated Amps
40 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 ? Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
80 dbA
Idle Control
Yes
Hour Meter
Yes
Voltage Meter
Yes
Lifting Eye
No
Battery
Not Included
Grade Type
Professional
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 Style
Portable Generator
Product Length
33.3 Inches
Product Width
29.6 Inches
Product Height
33.3 Inches
Consumer Warranty
2 Years
Commercial Warranty
1 Year
Grade
Style
Run Watts
9,500
Rated Watts
Surge Watts
12,000
Starting Watts
Fuel
Engine
Grade
Professional
Style
Portable
Run Watts
9,500
Surge Watts
12,000 Starting Watts
Fuel
Gasoline
Engine
Yamaha
Features
Features
  • 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
Specifications
Plugs
NEMA 5-20R (GFCI)
NEMA 5-20R (GFCI)
NEMA L5-30R
NEMA L14-30R
CS6369 (50-Amp Twistlock)
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
Yes
Surge Watts
12000 Watts
Rated Watts
9500 Watts
Fuel Type
Gasoline
Rated Amps
40 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 ? Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
80 dbA
Idle Control
Yes
Hour Meter
Yes
Voltage Meter
Yes
Lifting Eye
No
Battery
Not Included
Grade Type
Professional
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 Style
Portable Generator
Product Length
33.3 Inches
Product Width
29.6 Inches
Product Height
33.3 Inches
Consumer Warranty
2 Years
Commercial Warranty
1 Year
Product Specs
+−
Specifications
Plugs
NEMA 5-20R (GFCI)
NEMA 5-20R (GFCI)
NEMA L5-30R
NEMA L14-30R
CS6369 (50-Amp Twistlock)
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
Yes
Surge Watts
12000 Watts
Rated Watts
9500 Watts
Fuel Type
Gasoline
Rated Amps
40 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 ? Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
80 dbA
Idle Control
Yes
Hour Meter
Yes
Voltage Meter
Yes
Lifting Eye
No
Battery
Not Included
Grade Type
Professional
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 Style
Portable Generator
Product Length
33.3 Inches
Product Width
29.6 Inches
Product Height
33.3 Inches
Consumer Warranty
2 Years
Commercial Warranty
1 Year
Reviews
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
(8)
+−
Yamaha EF12000DE Reviews & Ratings
Product Q&A
(2)
+−
Search Product Q&A's Answered by Jim, the Portable Generator Expert
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+−
Does this Yamaha generator use mixed gasoline?
Pete 
from New York 
February 08, 2017
Answer
Yamaha recommends using 86 Octane fuel or higher. This unit does not require any mixing of gasoline or oil. Owner's Manual.
+−
Can this be converted for propane use?
Peter G. 
from California 
December 15, 2016
Answer
Yamaha does not offer a fuel conversion for any of their generators and adding an aftermarket one will void the warranty.
Recommended Accessories
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Expert Recommended Accessories Hand Picked By Our Expert Jim
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Required Accessories Add All Required
Optional Accessories
How-To Articles
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Manuals
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