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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Firman W01784
  • Yamaha EF3000iS
  • Model W01784
    Model W01784

    Firman 1,700W Gas Generator

    1700W
    Running
    54 dB
    Noise
    View details
  • Model EF3000iS
    Model EF3000iS

    Yamaha 2,800W Gas Generator

    2800W
    Running
    54.5 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationFirman W01784Yamaha EF3000iS
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesNo
RV readyNoNo
Running watts
1700 W
Winner: Winner: 2800 W
Starting watts
2100 W
Winner: Winner: 3000 W
Noise (lower limit)
Winner: Winner: 54 dB
54.5 dB
Weight
Winner: Winner: 45.9 lbs
136 lbs
Run time @50% load
Not available
Not available
Run time @25% load
9 h
Winner: Winner: 18.6 h
Fuel tank
0.9 gal
3.4 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
20 x 12.1 x 16.7
26.8 x 17.5 x 21.9
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
Not available
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
< 3% %
Not available
Engine
Engine
80 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
171 cc Yamaha MZ175 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
1700 W
2800 W
Starting watts
2100 W
3000 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
Not available
Run time @25% load
9 h
18.6 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
840876117842
810856030645
Core / High-priority specs
Running Watts (Gasoline)
1700
2800
Starting Watts (Gasoline)
2100
3000
Runtime @ 25% Load (Gasoline)
9
18.6
AC Outlet Types
1x 120V 20A (5-20R); 1x 120V 30A (L5-30R)
AC outlets1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Yamaha MZ175 OHV 4-stroke
Engine Displacement
80
171
Cylinder Sleeve
cast iron sleeve
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
9
18.6
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Included Accessories
Oil, funnel, tool kit, RV adapter, and battery charging cables
Battery charging cables
Warranty & identification
Commercial Warranty
3
3
Additional specs
Summary
The Firman W01784 is a 1700-watt inverter generator built around a compact 80cc OHV 4-stroke engine. This wattage class handles household essentials like refrigerators, power tools, and multiple small appliances simultaneously, but cannot run a central air conditioner or large workshop equipment. The 2100-watt peak gives it enough surge capacity to start compressors and induction motors without stalling. Because the unit weighs only 45.9 pounds and measures 20 by 12.1 by 16.7 inches, users can load it into a truck bed or carry it to a job site without mechanical assistance. The 0.9-gallon fuel tank and 9-hour runtime at 25% load mean a full tank covers a typical workday without refueling. At 54 decibels, it runs quieter than a lawnmower, making it suitable for residential neighborhoods and early-morning camping.
The Yamaha EF3000iS is a 3000-watt inverter generator designed for quiet operation and portability, featuring advanced technologies like Smart Throttle and Noise Block, and backed by a 3-year limited warranty.
  • Most Powerful
    Yamaha EF3000iS
    2800W running
  • Quietest
    Firman W01784
    54 dB
  • Longest Runtime
    h at 50% load
Where to buy
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Firman W01784
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Yamaha EF3000iS
Store links
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