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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 #7153 GP3300i
  • Pulsar PG7600BiSRCO
  • Model #7153 GP3300i
    Model #7153 GP3300i

    Generac 2,500W Gas Generator

    2500W
    Running
    0 dB
    Noise
    View details
  • Model PG7600BiSRCO
    Model PG7600BiSRCO

    Pulsar 6,300W Dual-Fuel Generator

    6300W
    Running
    62 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 #7153 GP3300iPulsar PG7600BiSRCO
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoNo
Running watts
2500 W
Winner: Winner: 6300 W
Starting watts
3300 W
Winner: Winner: 7600 W
Noise (lower limit)
0 dB
Winner: Winner: 62 dB
Weight
Winner: Winner: 59.5 lbs
133.4 lbs
Run time @50% load
4.5 h
Winner: Winner: 7 h
Run time @25% load
7 h
Not available
Fuel tank
1.06 gal
3.96 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
22.2 x 13.3 x 18.4
27 x 20.8 x 21.7
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
5
5
GFCI outletsNoYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
<3% %
3 %
Engine
Engine
Generac OHV 149 cc 4-stroke
298 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
2500 W
6300 W
Starting watts
3300 W
7600 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
4.5 h
7 h
Run time @25% load
7 h
Not available
PropaneNot availableNot available
Running watts
Not available
5700 W
Starting watts
Not available
6900 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
6 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
696471104011
814726029746
Core / High-priority specs
Running Watts (Gasoline)
2500
6300
Running Watts (Propane)
Not available
5700
Starting Watts (Gasoline)
3300
7600
Starting Watts (Propane)
Not available
6900
Runtime @ 50% Load (Gasoline)
4.5
7
Runtime @ 50% Load (Propane)
Not available
6
Runtime @ 25% Load (Gasoline)
7
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
149
298
Cylinder Sleeve
Not available
Cylinder Sleeve
Engine Oil Type
10W-30 / SAE 30
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
7
Not available
Runtime @ 50% Load (Gasoline)
4.5
7
Runtime @ 50% Load (Propane)
Not available
6
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Recoil
Not available
Included Accessories
Not available
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty & identification
Part Number
71533
Not available
Additional specs
Summary
The Generac GP3300i is a 2,500-watt inverter generator built for users who need portable, clean power without the weight penalty. At 59.5 lbs, it moves easily between campsites, tailgates, and home backup scenarios. The 3,300-watt starting capacity handles motor-driven equipment, while sub-3% THD protects laptops and phones from voltage spikes.
The Pulsar PG7600BiSRCO is a 7,600-watt dual-fuel inverter generator designed for reliable, clean power suitable for emergency backup, RV travel, mobile worksites, and outdoor events. It features inverter technology for stable sine wave output, dual fuel capability (gasoline and propane), and operates at a quiet 62 decibels. Additional features include remote start, LCD display, and parallel capability.
  • Most Powerful
    Pulsar PG7600BiSRCO
    6300W running
  • Quietest
    Pulsar PG7600BiSRCO
    62 dB
  • Longest Runtime
    Pulsar PG7600BiSRCO
    7h at 50% load
Where to buy
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Generac #7153 GP3300i
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Pulsar PG7600BiSRCO
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