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Yamaha EF4000DE
Type Brushless, AC Generator
Maximum AC Output 4000 watts
Rated AC Output 3500 watts
Rated / Maximum AC Current 29 / 33
amps @ 120V,
15 / 17 amps @ 240V
Engine OHV, Air-Cooled, Four-Stroke,
Single Cylinder
Displacement / HP 251cc / 8.5 hp
Overall Length 31.7"
Overall Width 20.7"
Overall Height 20.1"
Dry Weight 145.5 lbs.
Fuel Tank Capacity 4.8 gallons
Continuous Operation at 1/2 Rated
Load
10.6 hrs.
Noise Level 69 dBA
Warranty 3 Years Limited Warranty
• Dual voltage - Provides the versatility of
120 and 240 volt operation.
• OHV Engine (overhead valve) -
Precise valve actuation and heavy-duty
design offer improved efficiency, increased
reliability and quite operation.
• Legal for sale in all 50 states - Meets
CARB emission regulations.
• Combustion chamber design improves
power output, efficiency and reduces
exhaust emissions.
• Cast iron cylinder lining - Provides
optimal heat dissipation, consistent
performance during continuous use and
long engine life.
• Brushless alternator - Provides low
maintenance and years of worry-free
service.
• Oil Watch Warning System -
Automatically shuts off before oil level is low
and cannot be re-started until oil is added.
Prevents engine damage and costly repairs
while enhancing long-term durability.
Model Features
Specifications
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Showroom Location
Wise Equipment & Rental, Inc
1475 Rodenburg Rd
Schaumburg, Illinois 60193
Local: 847.895.5555
Toll Free: 800.916.9473
Showroom/Store Hours (CST)
Monday - 9am - 7pm
Tuesday - Friday 9am - 6pm
Saturday - 9am - 5pm
Sunday - 9am - 4pm
Phone Hours(CST)
Monday - Friday 7:30 am to 7:30 pm
Saturday & Sunday - 8:00am to 5:00pm
Policies:
Accepted Payments
Shipping
Returns & Warranty
ACCESSORIES
Yamaha 1 year EF Extended warranty
$49.95
Yamaha 2 Year EF Extended warranty
$98.95
Yamaha 3 Year EF Extended Warranty
$147.95
Lift Gate Delivery Service
$50.00

Yamaha Storage Cover - EF/YG4000-6600
$49.99
AC-GNCVR-46-00
Yamaha Remote Start Kit
$149.99
code
7VW-Y8720-00-00
Yamaha Replacement Battery
$99.99
code
BTG-C60N2-4L-A0
Store Link
freeship
EF4000 Features
FREE Shipping on Orders over $199
No Sales Tax outside of IL!
Pay by Check
Questions?
Give us a call!
1.800.916.9473
OPEN 7 DAYS A WEEK
Manufacturer:    Yamaha
Model:   EF4000DE
Price:
$2,024.10
Free Cover & Wheel Kit with
Purchase
Yamaha Hour Meter
$49.99
ENG-METER-4C-01
• Transistor Controlled Ignition (T.C.I.) - Provides clean, efficient spark that
ensures fast, easy starting. Low maintenace, reliable operation.
• Noise Suppressor - Reduces electrical interference with TVs and radios.
• Auto Decompression - Automatically "opens" exhaust valve slightly to reduce initial
backpressure when starting making manual starting effortless.
• USFS-approved Spark Arrestor - Offers quiet operation and keeps sparks from
exiting exhaust system, reducing chance of fires caused by an errant spark.
• Fuel Gauge - Lets operator monitor how much fuel is left.
• Electric starter - For convenient ease of operation.
• Economy idle - For improved fuel efficiency and quieter operation.
• Auto-choke system - Improves starting in cold weather.
• Voltmeter - For added convenience.
• AC Non-fuse Thermal Breaker - Protects AC circuit in case of an overload for
added durability and peace of mind.