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

  • Generac #7678 GP3600
  • Pulsar PG5000BiSRCO
  • Model #7678 GP3600
    Model #7678 GP3600

    Generac 3,600W Gas Generator

    3600W
    Running
    0 dB
    Noise
    View details
  • Model PG5000BiSRCO
    Model PG5000BiSRCO

    Pulsar 4,000W Dual-Fuel Generator

    4000W
    Running
    65 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 GP3600Pulsar PG5000BiSRCO
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterNoYes
Parallel capableNoYes
RV readyNoYes
Running watts
3600 W
Winner: Winner: 4000 W
Starting watts
4500 W
Winner: Winner: 5000 W
Noise (lower limit)
0 dB
Winner: Winner: 65 dB
Weight
105 lbs
Winner: Winner: 78.2 lbs
Run time @50% load
Winner: Winner: 9.3 h
9 h
Run time @25% load
Not available
Not available
Fuel tank
3.7 gal
3 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
24 x 22.5 x 21.3
23.9 x 14.7 x 22.6
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
192 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Not available
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3600 W
4000 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
9 h
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
Not available
3600 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
10.5 h
Run time @25% load
Not available
Not available
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
814726028008
Core / High-priority specs
Running Watts (Gasoline)
3600
4000
Running Watts (Propane)
Not available
3600
Starting Watts (Gasoline)
4500
5000
Starting Watts (Propane)
Not available
4500
Runtime @ 50% Load (Gasoline)
9.3
9
Runtime @ 50% Load (Propane)
Not available
10.5
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
192
Engine Oil Type
10W-30 / SAE 30
10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
9.3
9
Runtime @ 50% Load (Propane)
Not available
10.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Mobility Components
Yes
Not available
Starting Components
Oil, funnel, tool kit, and wheel kit
Recoil, Electric, Remote
Fuel Connection Components
Not available
propane hose
Included Accessories
Oil, funnel, tool kit, and wheel kit
Oil, tool kit, key fob, propane hose, 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 Pulsar PG5000BiSRCO is a 5000-watt peak and 4000-watt running dual-fuel inverter generator powered by a 192 cc OHV 4-stroke engine. It offers flexible operation on gasoline and propane for reliable power in various settings.
  • Most Powerful
    Pulsar PG5000BiSRCO
    4000W running
  • Quietest
    Pulsar PG5000BiSRCO
    65 dB
  • Longest Runtime
    Generac #7678 GP3600
    9.3h at 50% load
Where to buy
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Generac #7678 GP3600
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Pulsar PG5000BiSRCO
Store links
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