This generator would run approximately 3.5 hours at full load.
Generac 7705 GP15500EFI 19300 / 15500 Watt Electric Start Gas Powered Portable Generator w/ COSense and GFCI Covered Outlets, Wheel and Handle Kit Included, 49ST

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Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- COsense® Technoology – Stops. Alerts. Saves. Powerful protection against hazardous carbon monoxide
- Generac 816cc EFI Engine – Delivers the right amount of power to get the best performance and efficiency out of your engine
- TruePower™ Technology – With less than 5% THD, safely powers sensitive electronics and tools
- Low-Oil Pressure Shutdown – Automatically safeguards engine from damage
- Large Capacity Fuel Tank – With incorporated fuel gauge, provides durability and extended run times
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) 1 portable generator
Features + Benefits
- COsense® Technoology – Stops. Alerts. Saves. Powerful protection against hazardous carbon monoxide
- Generac 816cc EFI Engine – Delivers the right amount of power to get the best performance and efficiency out of your engine
- TruePower™ Technology – With less than 5% THD, safely powers sensitive electronics and tools
- Low-Oil Pressure Shutdown – Automatically safeguards engine from damage
- Large Capacity Fuel Tank – With incorporated fuel gauge, provides durability and extended run times
- Homelink™ Manual Transfer Switch Compatible – When paired with a manual transfer switch, the GP15500EFI is powerful enough to provide whole home backup and is a great alternative to a Home Standby Generator
- Hardened 1 ¼” Steel Tube Cradle – For added strength and durability
- Hour Meter – Tracks maintenance intervals
- Heavy-Duty, Never-Flat Wheels – For reliable portability
- Electric Start – Battery Included – Provides hassle-free start-up
Key Specs
| Attribute | Specification |
|---|---|
item# | 5867287 |
Brand | Generac |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 450.0 LB |
Surge Watts | 19,300 |
Rated Watts | 15,500 |
Fuel Type | Gasoline |
Voltage | 120/240 |
Engine Displacement | 816 cc |
Engine Brand | Generac |
Engine Model | OHVI |
Enclosure Material | Steel |
Start Type | Recoil |
| Attribute | Specification |
|---|---|
Fuel Capacity | 14.2 Gal |
Half-Load Run Time | 11 hr |
Number of Outlets | 7 |
Outlet Type | 120V, 30A NEMA L5-30R; 120/240V, 30A NEMA L14-30R; 120V 20A GFCI NEMA 5-20R; 120/240, 50A NEMA 14-50R |
Battery Required | Yes |
Battery Included | Yes |
Low Oil Shutdown | Yes |
Hour Meter | Yes |
Engine Cooling | Air |
CARB Compliant | No |
Product Weight | 420.0000 lb |
Dimensions L x W x H (in.) | 58.5 x 30.9 x 36.5 in |
Reviews
Questions & Answers
Questions
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· 3 months ago
On normal run how long will it run on a full tank
1 answer-
ProductExpert30· 3 months ago
Helpful?
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· 4 months ago
What is the manufacturer for the motor.
1 answer-
ProductExpert6· 4 months ago
Generac manufacturers their own engines for their generators.
Helpful?
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· 9 months ago
Does it have automatic load idle control ?
1 answer-
ProductExpert11· 9 months ago
The Generac model 7705 does not have auto idle.
Helpful?
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· a year ago
Is there an outdoor cover or enclosure for this product?
1 answer-
ProductExpert11· a year ago
The generator is not recommended to be used in an enclosure. The generator requires adequate ventilation.
Helpful?
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Warranty
Manufacturer's Warranty
3 year limited warranty
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$4219.00Shipping:
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Item # 48974
$4545.99Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
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Out of stock at Fredericksburg VA
- $779.00Reg $849.00Save $70.00
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Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- $5999.00
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Backordered: Order now to reserve yours -
Estimated to ship 07/09/26Heavy/large item. Lift gate service available.
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Specifications
19,300
5,500
8,125
10,000
15,500
5,000
6,500
9,000
Gasoline
Diesel
Gasoline
Gasoline
120/240
120/240
120/240
120/240
816 cc
435 cc
389 cc
688 cc
Generac
Yanmar
Generac
Honda
OHVI
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-
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Steel
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-
-
Recoil
Electric
Recoil
Electric and Recoil
14.2 Gal
12 Gal
6.9 Gal
8.1 Gal
11 hr
-
5 hr
-
7
-
5
-
120V, 30A NEMA L5-30R; 120/240V, 30A NEMA L14-30R; 120V 20A GFCI NEMA 5-20R; 120/240, 50A NEMA 14-50R
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(4) 120v 20a 5-20r Gfci, (1) 120/240v 30a L14-30r
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Yes
Yes
No
Yes
Yes
No
-
Yes
Yes
Yes
Yes
Yes
Yes
-
-
-
Air
-
-
-
No
-
No
Yes
420.0000 lb
lb
176.5000 lb
403.0000 lb
58.5 x 30.9 x 36.5 in
33.0 x 22.5 x 25.0 in
27.25 x 27.0 x in
56.0 x 26.75 x 35.12 in
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72 dB
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