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EF4000DE Premium Generator 4000 watt Electric Start

powerful portable generator
Model Number
EF4000DE  Premium Generator 4000 watt Electric Start

Yamaha EF4000DE

The new EF4000DE can power home appliances in an emergency or tools like disc sanders and space heaters. Its quiet dependability offers unrivaled performance and peace of mind. It's a lot of juice for the money. The EF4000DE/D have the Yamaha 357cc OHV engine. 29.0 / 33.0 amps @ 120V - 15.0 / 17.0 amps @ 240V full time 120/240 dual voltage which allows you to run multiple appliances that require 120 or 240 voltage making it highly versatile.

Temporarly out of stock.

  • Electric Start -4-stroke, OHV (overhead valve), single cylinder, air-cooled 357cc engine - Improved efficiency, increased reliability and quiter operation.
  • Legal for sale in all 50 states - Meets CARB emission regulations.
  • Auto-decompression system - Reduces compression for easier starting.
  • Transistor Controlled Ignition (TCI)- Fast, easy starting, reliable operation, maintenance-free.
  • AC Voltmeter - Provides easy-to-read voltage output.
  • Oil watch warning system - Prevents engine damage, avoids costly repairs and minimizes down time. Provides added peace of mind and enhances long-term durability.
  • AC Non-fuse thermal breaker, plus GFCI protection - Peace of mind and added durability.
  • Fuel gauge - Ability to gauge fuel level without opening cap.
  • Large 6 gallon fuel tank - Provides 8.2 hours of continuous operation @ rated load.
  • Rugged full rollover frame - Added durability and protects generator engine and fuel tank.
  • Mechanical governor - Maintains engine speed to deliver consistent AC output.
  • Specially designed muffler - Reduces weight and noise.
  • Brushless alternator - Maintenance free and reliable.
  • Rubber vibration isolation mounts - Reduces vibration and increases smooth operation.
  • Cast iron cylinder lining - Long engine life, excellent heat dissipation.
  • USFS-approved spark arrestor - Reduces chances of fires caused by an errant spark.
  • Economy idle-Improved fuel efficiency and quieter operation .
  • Propane LPG conversion kit see accessories.
More Information
Model Number EF4000DE
Series Yamaha generators Portable
Watts 4000.000000
Voltage (V) 115/230
Voltage (Range) 110-120/220-240
Phase (Ø) Single (1)
Motor Frequency 60
Motor Gas Engine
Self Priming Yes
Mechanical Seal No
Other ?Full power, full time 120/240 dual voltage. ?GFCI ? Ground Fault Circuit Interuption shut off power. It senses a leak to ground to reduce risk of electric shock. ?Auto-choke system ? Easier starting, especially in cold weather. ?Voltmeter ? Easy monitoring of power output.
Overall Length DE = 35.2 in / D = 26.4 in
Overall Width DE = 20.5 in / D = 20.1 in
Overall Height DE = 22.7 in / D = 22.7 in
Approvals CARB, EPA, USFS Muffler
Low Oil Shutdown Yes
Drain Yes
Port Rotation Yes
Run Time (HR.) 8.2 at full load
Fuel Tank Size 6.1
Weight (Lbs) 196.000000
Smart Throttle Yes
Warranty (YRS.) 3

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