PA 610-279-5777
NJ 856-740-1400


Yamaha - Coventional Generator - EF6600DM

6,600 Watt Max AC Output

The EF6600DM uses a 357cc, 4-stroke, OHV engine combines 6,600 watts maximum AC output with outstanding fuel efficiency. Allows 6.8 hours of continuous operation on a single tank of fuel.



Full power, full time 120/240 dual voltage Highly versatile.
OHV Engine Improved efficiency, increased reliability, quieter operation.
Advanced Combustion Chamber Design Improves power output and fuel efficiency.
GFCI Ground Fault Circuit Interruption shut off power. It senses a leak to ground to reduce risk of electric shock.
Oil Watch Warning System Prevents engine damage, avoids costly repairs and minimizes down time. Provides added peace of mind and enhances long-term durability.
Transistor Controlled Ignition (TCI) Fast, easy starting, reliable operation, maintenance-free.
Recoil Starter Dependable operation with auto decompression for easiest pull.
Economy Idle Improved fuel efficiency and quieter operation.
Rugged Full Rollover Frame Added durability and protects generator engine and fuel tank.
Auto-Choke System Easier starting, especially in cold weather.
Voltmeter Easy monitoring of power output.
AC Non-Fuse Thermal Circuit Breaker Added durability and peace of mind.
EPA & CARB Emission Engine Life Rating Yamaha generators have the longest emission engine life ratings issued by the environmental Protection Agency and the California Air Resources Board.
50 State Legal Meets emission regulations, including CARB.
Lifting Eye Convenient for hoisting.
Cast Iron Cylinder Lining Provides long engine life and consistent performance during continuous use.


Model / Model Code EF6600DM
Type 3 Year Limited Warranty
Size and Weight
Dimensions (length/width/height) 26.4" x 20.1" x 22.7"
Dry Weight 189.6 lbs
Engine Type OHV, air-cooled, single cylinder, 4-stroke
Displacement 357cc
Fuel Tank
Capacity 6.1 Gallons
Fuel Type Unleaded Regular
Cooling System
Cooling Type Air Cooled
Type Dual voltage, Brushless, AC Generator
Maximum AC Output 6600 Watts
Rated AC Output 6000 Watts
Rated AC Current 50.0 / 55.0 amps @ 120V - 25.0 / 27.5 amps @ 240V
Noise Level 74 dBA
Continuous Operation at Rated Load 6.8 Hrs.