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Compare Generators Side-by-Side

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

  • Generac #7678 GP3600
  • Westinghouse iGen5000DF
  • Model #7678 GP3600
    Model #7678 GP3600

    Generac 3,600W Gas Generator

    3600W
    Running
    0 dB
    Noise
    View details
  • Model iGen5000DF
    Model iGen5000DF

    Westinghouse 3,900W Dual-Fuel Generator

    3900W
    Running
    52 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 @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationGenerac #7678 GP3600Westinghouse iGen5000DF
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterNoYes
Parallel capableNoYes
RV readyNoYes
Running watts
3600 W
Winner: Winner: 3900 W
Starting watts
4500 W
Winner: Winner: 5000 W
Noise (lower limit)
0 dB
Winner: Winner: 52 dB
Weight
105 lbs
Winner: Winner: 104.7 lbs
Run time @50% load
9.3 h
Winner: Winner: 15 h
Run time @25% load
Not available—
18 h
Fuel tank
3.7 gal
3.4 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24 x 22.5 x 21.3
24.5 x 17.5 x 20
Electrical
Voltage (AC)
120
120
Voltage (DC)
Not available—
5
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available—
3 %
Engine
Engine
Generac OHV 4-stroke 212
224 cc Westinghouse OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3600 W
3900 W
Starting watts
4500 W
5000 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
9.3 h
15 h
Run time @25% load
Not available—
18 h
PropaneNot available—Not available—
Running watts
Not available—
3500 W
Starting watts
Not available—
4500 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
Not available—
22 h
Other
Data center
Not available—
Not available—
Indicators
false
true
Compliance
CARB
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
Floating
UPC
696471074581
850011336540
Core / High-priority specs
Running Watts (Gasoline)
3600
3900
Running Watts (Propane)
Not available—
3500
Starting Watts (Gasoline)
4500
5000
Starting Watts (Propane)
Not available—
4500
Runtime @ 50% Load (Gasoline)
9.3
15
Runtime @ 25% Load (Gasoline)
Not available—
18
Runtime @ 25% Load (Propane)
Not available—
22
AC Outlet Types
2x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
212
224
Engine Oil Type
10W-30 / SAE 30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available—
18
Runtime @ 50% Load (Gasoline)
9.3
15
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoNo
Included equipment
Mobility Components
Yes
Not available—
Starting Components
Oil, funnel, tool kit, and wheel kit
Recoil, Electric, Remote
Included Accessories
Oil, funnel, tool kit, and wheel kit
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty & identification
Commercial Warranty
Not available—
3
Part Number
7678
Not available—
Additional specs
Summary
The Generac GP3600 (#7678) is a 3600-watt gasoline generator built for homeowners and job sites needing reliable backup or portable power. Its 4500-watt peak capacity handles starting surges for tools and appliances, while the 3.7-gallon fuel tank delivers 9.3 hours of runtime at half load. Automatic voltage regulation protects sensitive electronics, and a three-year warranty covers ownership support.
The Westinghouse iGen5000DF is a dual fuel inverter generator that offers 5,000 peak watts and 3,900 rated watts on gasoline, and 4,500 peak watts and 3,500 rated watts on propane. It features a remote start, LED display, and operates quietly, making it suitable for camping, tailgating, RVs, and home backup.
  • Most Powerful
    Westinghouse iGen5000DF
    3900W running
  • Quietest
    Westinghouse iGen5000DF
    52 dB
  • Longest Runtime
    Westinghouse iGen5000DF
    15h at 50% load
Where to buy
Prices can change. We update these automatically.
Generac #7678 GP3600
Store links
No links yet.
Westinghouse iGen5000DF
Store links
No links yet.
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