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Generac was the first company to create home standby generators as well as the first to create an engine designed specifically for a generator. Their GP series of affordable portable generators are great for providing power in events of emergency or just outdoor leisure events. These generators are available in many different wattages and have lots of protective features such as covered outlets, low-oil shutdown protection, and a hardened steel tube cradle. No matter when or where you need power you can count on Generac.

Compare the Generac GP Series Portable Generators
Model # GP3250 GP5500 GP6500 GP6500E GP7500E GP15000E GP17500E
49 State Model:These generators are approved for use in all states in the US except California, and cannot be used in Canada. 5982Current Price:  $439.00 5939Current Price:  $689.00 5940Current Price:  $799.00 5941Current Price:  $899.00 5943Current Price:  $999.00 5734Current Price:  $2,399.00 5735Current Price:  $2,699.00
CSA Model:These generators are approved for use in Canada. 5982Current Price:  $439.00 N/A 5976Current Price:  $849.00 N/A 5978Current Price:  $1,059.00 N/A N/A
CARB Model:These generators are approved for use in all 50 states, cannot be shipped to Canada. N/A N/A 5946Current Price:  $899.00 N/A N/A N/A N/A
Running Watts:The running watts of a generator equals the amount of power the unit can produce continuously. 3250 W
(3.25 kW)
5500 W
(5.5 kW)
6500 W
(6.5 kW)
6500 W
(6.5 kW)
7500 W
(7.5 kW)
15000 W
(15 kW)
17500 W
(17.5 kW)
Starting Watts:Starting wattage is the additional power that the generator can produce for short periods of time to start items in your home that require larger amounts of electricity for initial start-up than when they are running. 3750 W
(3.75 kW)
6870 W
(6.875 kW)
8000 W
(8 kW)
8000 W
(8 kW)
9375 W
(9.375 kW)
22500 W
(22.5 kW)
26250 W
(26.25 kW)
Dimensions: 36x27x28 28.75x26.75x25 28.75x26.75x25 28.75x26.75x25 28.75x26.75x26 49x31x39 49x31x39
Weight(lbs.): 91 180 184 184 201 363 390
Engine Displacement:Engine displacement is the volume of an engine's cylinders, a general indicator of its size and power. 208cc 389cc 389cc 389cc 420cc 992cc 992cc
Starting Method:Manual start requires a pull of a starting cord to get the unit running, electrical starts utilize a push button starting system. Manual Manual Manual Electric/Manual Electric/Manual Electric/Maunal Electric/Manual
Voltage: 120/240 120/240 120/240 120/240 120/240 120/240 120/240
CARB/CSA Compliant:Models marked as "CARB" compliant can be sold and shipped to California, CSA compliant models can be shipped to Canada. All other models can only be shipped to the 49 states excluding California. CARB No No No No No No
Run Time
(At 50% load):With the generator running at half its total capacity, this the average run time you can expect before needing to refuel.
14.5 Hours 10 Hours 10 Hours 10 Hours 12 Hours 10 Hours 10 Hours
Suggested Uses: Emergency and Events Emergency and Events Emergency and Events Emergency and Events Emergency and Events Emergency and Events Emergency and Events
Handle Type: Single Fold-Down and Locking Fixed and D-Style Folding and Locking Folding and Locking Folding and Locking Fixed and D-Style Fixed and D-Style
Battery Included: No No Yes Yes Yes Yes Yes
Fuel Type: Gasoline Gasoline Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Capacity: 4 Gallon 7.2 Gallon 7.2 Gallon 7.2 Gallon 8 Gallon 16 Gallon 16 Gallon
Fuel Tank Type: Steel Steel Steel Steel Steel Resin Resin
Charging Method: N/A N/A N/A Battery Tender Included Battery Tender Included Battery Tender Included Battery Tender Included
Outlets:A generators outlet configuration will determine what type of plugs you will need on your cords in order to get your appliances or transfer switches connected. (4) 5-20R GFCI 120V (4) 5-20R 120V
(1) L14-30R Twist-Lock
(4) 5-20R 120V
(1) L14-30R Twist-Lock
(4) 5-20R 120V
(1) L14-30R Twist-Lock
(4) 5-20R 120V
(1) L14-30R Twist-Lock
(2) 5-20R
(2) 5-20R GFCI
(2) L5-30R Twist-Lock
(1) L14-30R Twist-Lock
(1) 14-50R
(1) 12V DC 12 Amp
(2) 5-20R GFCI
(2) L5-30R Twist-Lock
(1) L5-20R Twist-Lock
(1) L14-30R Twist-Lock
(1) 14-50R
(1) 12V DC 12 Amp
Oil Shutdown Type: Low Level Low Level Low Level Low Level Low Level Low Level Low Level
Noise Level: 70-75 dB 70-75 dB 70-75 dB 70-75 dB 70-75 dB 70-75 dB 70-75 dB
Documentation: Spec Sheets
(5982, 5789)Owner's Manual
Spec Sheet
Owner's Manual
Spec Sheets
(5940,5976,5946)
Owner's Manual
Spec Sheet
Owner's Manual
Spec Sheets
(5943,5978)
Owner's Manual
Spec Sheet
Owner's Manual
Spec Sheet
Owner's Manual
Warranty, residential 2-Year, limited 2-Year, limited 2-year, limited 2-year, limited 2-year, limited 2-year, limited 2-year, limited

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Generac GP15000E Portable Generator 49 State
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Generac GP15000E 15,000 Watt Portable Generator 49 State (49 State Compliant)

  • Generac's own OHVI engine lasts 3-4 times longer than competitive engines
  • Not for sale in California or Canada
  • Fuel efficiency is increased with automatic idle control
$2,399.00
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Generac GP17500E Portable Generator
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Generac GP17500E 17,500 Watt Portable Generator (49 State Compliant)

  • Electric start helps you get started on the right foot
  • Not for sale in California or Canada
  • Generac's own OHVI engine was made specifically for generators, lasts 3-4 times longer than competitive engines
$2,699.00
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Generac GP3250 Portable Generator
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Generac GP3250 3,250 Watt Portable Generator (49 State/CSA Compliant)

  • Provides just the right amount of power for outdoor activities
  • Covers and circuit breakers keep outlets protected and functional
  • Steel tube cradle offers great protection from physical damage
$439.00
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Generac GP5500 Portable Generator
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Generac GP5500 5500 Watt Portable Generator (49 State Compliant)

  • Emissions Certification: 49 State
  • OHV engine provides increased performance and longer life than standard generator engines
  • Outlets are reinforced by covers and circuit breakers
$689.00
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Generac GP6500 Portable Generator
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Generac GP6500 6500 Watt Portable Generator (49 State Compliant)

  • Low oil shutdown protection turns the unit off rather than risk damage to the engine
  • Provides 6,500 watts of power for emergencies or outdoor events and runs for 10 hrs at 50% load
  • Steel fuel tank features a fuel gauge so you can tell the amount of fuel that remains at a glance
$799.00
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Generac GP6500 Portable Generator
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Generac GP6500 6500 Watt Portable Generator (CARB Compliant)

  • Low oil shutdown keeps the engine protected from damage
  • OHV engine runs longer and more efficiently than competitive
  • Never-flat wheels and locking, fold-down handle make this easy to transport
$899.00
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Generac GP6500 Portable Generator
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Generac GP6500 6,500 Watt Portable Generator (49 State/CSA Compliant)

  • Supplies 6,500 watts of power in times of emergency or for outdoor events
  • Powerful and efficient OHV engine is protected with a low-oil shutdown system
  • Fold-down handle and puncture proof wheels allow maximum mobility
$849.00
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Generac GP6500E Electric Start Portable Generator
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Generac GP6500E 6,500 Watt Electric Start Portable Generator (49 State Compliant)

  • OHV engine (with low-tone muffler) provides years of reliable service
  • Emissions Certification: 49 State
  • Electric start (battery included)
$899.00
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Generac GP7500E Electric Start Portable Generator
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Generac GP7500E 7500 Watt Electric Start Portable Generator (49 State Compliant)

  • OHV engine is much more efficient than standard generator engines
  • Emissions Certification: 49-State
  • Electric start (battery included)
$999.00
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Generac GP7500E Electric Start Portable Generator
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Generac GP7500E 7,500 Watt Electric Start Portable Generator (49 State/CSA Compliant)

  • Excellent service is provided by the resilient OHV engine
  • Emissions Certification: 49/CSA
  • Electric start (battery included)
$1,059.00
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