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Generac 5734 GP15000E 15000-Watt Gas-Powered Portable Generator - Durable Design and Reliable Power for Emergencies and Recreation - Emergency Backup Power and Job Sites - 49 State Compliant

4.0 4.0 out of 5 stars 122 ratings

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About this item

  • Robust and Portable: The generator features a sturdy steel frame with an integrated lifting eye, making it easy to transport and secure on the jobsite. It's a reliable power source for both remote locations and professional use
  • Durable and Long-Lasting Engine: Generac's OHVI engine is designed for longevity with full pressure lubrication and an automotive-style spin-on oil filter, ensuring a longer engine life and reliable performance
  • Extended Runtime: The GP15000E boasts a long-lasting OHV engine and a large-capacity steel fuel tank with a built-in fuel gauge, ensuring you have power when you need it most
  • Built for Durability: Designed to thrive in rough environments, this generator features covered outlets for added protection, a rugged 1.25-inch steel-tube cradle for strength, and heavy-duty wheels for easy transportation
  • Maintenance Made Easy: Keep your generator in top shape with the hour meter that tracks maintenance intervals. Plus, the low-oil level shutdown feature automatically safeguards the engine from damage, ensuring a long and reliable lifespan
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Customer ratings by feature

Maneuverability
4.4 4.4
Value for money
3.6 3.6
Tech Support
3.5 3.5
Noise level
3.3 3.3

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Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here. [PDF ] Please review the User Manual for more information [PDF ]

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Generac 5734 GP15000E 15000-Watt Gas-Powered Portable Generator - Durable Design and Reliable Power for Emergencies and Recreation - Emergency Backup Power and Job Sites - 49 State Compliant


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Product Description

Product Description

Power outages usually occur without warning. Ideally, a homeowner is prepared with an automatic home standby generator installed and always ready to go. However, if a portable generator is the only option forbackup power during an emergency, the GP15000E unit is a great option, with enough power to run up to a 5-ton air conditioner and more. Also an ideal choice for jobsites with high power requirements. This model features Generac's OHVI engine for extended run times and longer life.

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Featuring a compact, wheeled frame for easy transport, the Generac 15,000-Watt Portable Gas-Powered Generator with Electric Start provides a reliable power supply wherever you need it. A Generac OHVI (overhead valve industrial) engine delivers performance and power, while a sturdy steel-tube cradle protects the generator's exterior. For safe and comfortable use, the circuit-breaker outlets prevent power overloads, and the low-tone muffler makes for ultra quiet operation.

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Portable gas-powered generators deliver power when you need it, where you need it--from outdoor parties to construction sites. View larger.
Circuit breaker protected outlets guard against circuit overload for reliable performance. View larger.

The hardened steel-tube cradle, convenient handles, and wheel kit ensure durability and portability. View larger.


Generac's OHVI® engine is designed specifically for generators, and it lasts three to four times longer than competitive engines. View full diagram.
Determine your requirements for a portable generator: click here to view wattage charts. (Note for California and Canadian residents: This model is not CARB-compliant (units sold to California must be CARB-compliant) or CSA-certified.)

A Durable Power Supply Wherever You Need It
The Generac 15,000-Watt Generator with Electric Start is an ideal portable generator to have at home, on the job site, or wherever you need power. Its compact frame--48.5 x 31 x 39.5 inches (LxWxH)--is fitted with lifting eye handles and pneumatic, all-terrain wheels for easy portability. And with its hardened steel-tube cradle, this rugged generator holds up well for frequent travel, allowing you to look forward to years of operation. Plus, this model features an electric ignition for fast, easy start-up.

Thanks to its versatile design, this generator adds comfort and possibility to any situation. Use it to keep your family safe and well-equipped through unexpected blackouts or make construction jobs faster and easier.

A Low-Maintenance, High-Performance OHVI Engine
Designed specifically for generators, the Generac 15,000-Watt Generator with Electric Start's heavy-duty 992-cc OHVI (overhead valve industrial) engine boasts a host of features. An exclusive X-Torq governor maximizes the engine's performance to keep it running without stalls. And so engine components continue moving smoothly, a pressurized lubrication system sends oil directly to critical areas.

Thanks to this full-pressure lubrication system, the engine can employ an automotive-grade, spin-on oil filter that sifts out dirt and other unwanted substances. The oil filter works alongside a dual-element air filter. Together, the two keep engine performance at a maximum and maintenance at a minimum.

Plus, this generator's sturdy, 16-gallon resin tank ensures a full 10 hours of operation at a 50-percent load, letting you relax for hours of use. The automatic-idle control reduces fuel usage and noise, while the tank's built-in fuel gauge lets you monitor fuel levels at a glance. Generac even provides you with your first supply of oil.

Plenty of Wattage to Run a Full Range of Appliances
The Generac 15,000-Watt Generator with Electric Start supplies 15,000 output watts and 22,500 maximum watts (for start-up of devices). It has an A/C voltage of 120/240 and a frequency of 60 hertz.

For unexpected blackouts, this is enough wattage to run home appliances such as security systems, computers, and electric stoves, as well as air conditioning systems and sump pumps. (A manual transfer switch is required to connect to air conditioning systems.) For construction and landscaping applications, it's enough to support large devices such as lawn mowers, belt sanders, and table saws. And for camping and outdoor events, it can run portable stereos, outdoor lights, and electric grills.

(Note: All appliances should be checked for actual wattage ratings.)

Safe, Quiet Operation with Overload-Protected Outlets
If security and quiet operation are important to you in a generator, then the Generac 15,000-Watt Generator with Electric Start is an ideal choice. Its outlets (two 120-volt, two 120-volt GFCI, one 120-volt 30 Amp twist lock, one 120/240-volt 50 Amp, and one 12 VDC battery charger) are circuit-breaker protected, guarding against power overloads and allowing the generator to smoothly send power to your appliances. And the low-tone muffler means the generator runs at a comfortable noise level that easily blends into the background.

This generator is backed by a two-year limited warranty.

What's in the Box
Generac 5734 GP Series GP15000E 15,000-Watt 992-cc OHVI Portable Gas-Powered Generator with Electric Start (Non-CARB Compliant), 12VDC 365-CCA battery, first oil supply, wheel kit, maintenance kit, and manual.

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Compare the Generac GP Series Portable Generators Model # GP1800 GP3250 GP5000 GP5500 GP6500 GP7000 GP7000E GP8000 GP8000E GP15000E GP17500E Running/starting watts 1800/2050 3250/3750 5000/6250 5500/6875 6500/8000 7000/8750 7000/8750 8000/10000 8000/10000 15000/22500 17500/26250 Fuel tank size (gallons) 4.0 4.0 6.6 6.6 6.6 8.0 8.0 8.0 8.0 16.0 16.0 Approx. run time @ 50% (hours) 14.5 12.5 10 10 10 11 11 11 11 10 10 Electric start (battery included)





Yes
Yes Yes Yes Dimensions (L x W x H - inches) 23.5 x 17 x 17.5 25 x 21 x 19.5 33.5 x 26.5 x 27.5 33.5 x 26.5 x 27.5 33.5 x 26.5 x 27.5 33.5 x 26.5 x 27.5 33.5 x 26.5 x 27.5 33.5 x 26.5 x 27.5 33.5 x 26.5 x 27.5 48.5 x 31 x 39.5 48.5 x 31 x 39.5 Shipping weight (pounds) 79 91 167 167 172 177 182 187 192 363 390

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Generac 5734 GP15000E 15000-Watt Gas-Powered Portable Generator - Durable Design and Reliable Power for Emergencies and Recreation - Emergency Backup Power and Job Sites - 49 State Compliant
Generac 5734 GP15000E 15000-Watt Gas-Powered Portable Generator - Durable Design and Reliable Power for Emergencies and Recreation - Emergency Backup Power and Job Sites - 49 State Compliant
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Price$3,299.00$2,899.99-16% $2,440.68
List:$2,899.00
-11% $1,599.00
List:$1,799.00
-15% $297.49
List:$349.99
$999.00
Delivery
Get it Apr 3 - 4
Get it as soon as Thursday, Apr 4
Get it Thursday, Apr 4
Get it Friday, Apr 5
Get it as soon as Wednesday, Apr 3
Get it Friday, Apr 5
Customer Ratings
Maneuverability
4.4
4.4
4.2
4.3
4.6
Value for money
3.6
5.0
4.1
3.8
4.8
Noise level
3.3
4.4
3.7
4.0
4.1
Tech Support
3.5
3.0
3.4
Portability
3.3
4.3
4.5
Sold By
GENMART
GENMAX Direct
Amazon.com
Amazon.com
GENMAX Direct
Amazon.com
fuel type
electric
Gasoline
electric
GASOLINE / PROPANE
Gas
electric
power source
gas-powered
Gasoline, Propane(LPG), Natural Gas(NG)
Natural Gas
Gas
Gas-Powered
Gas Powered
engine type
4 Stroke
4 Stroke
4 Stroke
4 Stroke
4 Stroke
runtime
10 hours
3.5 hours
12 hours
tank volume
16 gallons
11 gallons
0.5 gallons
6.6 gallons
wattage
22500 watts
10500 watts
12000 watts
13000 watts
9500 watts

Important information

Wattage

22500 watts

Bulb Voltage

120 volts

Customer reviews

4 out of 5 stars
4 out of 5
122 global ratings

Customers say

Customers like the quality, performance, and battery life of the generator. For example, they mention it's solid, reliable, and works well right out of the box. That said, some are happy with value. That being said, opinions are mixed on ease of assembly, output, and maneuverability.

AI-generated from the text of customer reviews

18 customers mention15 positive3 negative

Customers like the quality of the generator. They say it's reliable, solid, and powerful. They also appreciate the large 16-gallon tank and the fact that it starts up great. Overall, customers are satisfied with the quality and performance of the product.

"...Overall I like the solid build quality and feels like a serious piece of equipment.Update:..." Read more

"...Started right up after set up. Overall I am very happy with it. It is very loud and very heavy...." Read more

"...This time the power was out for 9 days. The large 16 gallon tank is awesome! Especially coupled with it's automatic idle control mode...." Read more

"...Still plenty of leftover capacity. No dimming of lights [no voltage drops] when heat pumps or well pump kicked in...." Read more

17 customers mention17 positive0 negative

Customers are satisfied with the performance of the generator. They mention that it works perfectly, and is a great product that works well right out of the box. Customers also say that it's a powerful generator that runs all of their tools without issues.

"...This generator worked perfectly! I was able to run my central air, all lights, fridge, internet, tv and some other items for hours at a time...." Read more

"...Love the electric starter." Read more

"Although the generator is working just fine, we are VERY unhappy with Generac and their support...." Read more

"This is a really great generator that powered our lights, TV, fridge, other small appliances and in our small house our air conditioner...." Read more

11 customers mention9 positive2 negative

Customers like the battery life of the generator. They say it runs their whole house and charges their batteries effortlessly. Some say it's able to run their central air, all lights, fridge, internet, TV, and a 60A sub panel with ease.

"...This generator worked perfectly! I was able to run my central air, all lights, fridge, internet, tv and some other items for hours at a time...." Read more

"Delivers the power we need for our heat pumps, well, fridge, microwave, internet and some lights. Started right up after set up...." Read more

"...Otherwise the output is great!!! And it runs everything I need it to.Just a few unexpected minor hiccups." Read more

"This is one of the big ones. Should power everything so we will not even know the power is gone. Is quieter than I thought it would be...." Read more

7 customers mention7 positive0 negative

Customers appreciate the value of the generator. They say it is worth every penny, and is much cheaper to operate than propane units.

"...We love this generator, it was worth every penny...." Read more

"...that is the equivalent of a car tire for the generator, tire was surprisingly inexpensive, should have changed both tires at the same time, but..." Read more

"...Much cheaper to operate than propane units" Read more

"...Runs all of our tools without issues.Great value from seller" Read more

9 customers mention4 positive5 negative

Customers are mixed about the ease of assembly of the electricity generator. Some mention that it's easy and not too hard to start, while others say that the instructions are rudimentary at best and they had to watch a Youtube video just to know how. The diagram is small and not as well written as they would have liked.

"...I had one issue- the assembly instructions were really terrible. The issue is that the assembly diagram is a really small picture, 2 x 2 inches!..." Read more

"...It has two tires to help move it around. For a lady it’s not to hard to start either." Read more

"...I recommend getting a friend to help with this. The directions are not as well written as I would have liked...." Read more

"...Packaging was great. Easily assembly. A bit loud, but that's to be expected given the power this generator offers." Read more

8 customers mention3 positive5 negative

Customers are mixed about the output of the electricity generator. Some mention that it runs great and is loud, while others say that it's quieter than expected.

"...Started right up after set up. Overall I am very happy with it. It is very loud and very heavy...." Read more

"...Otherwise the output is great!!! And it runs everything I need it to.Just a few unexpected minor hiccups." Read more

"...The only downside is that it is quite loud under full-load, but we were able to locate it in an area that prevented the sound from traveling into..." Read more

"...It is noisy so we put it away from the house.This is a very fine machine and if you buy it and maintain you will have no regrets." Read more

6 customers mention3 positive3 negative

Customers are mixed about the maneuverability of the electricity generator. Some mention that it's a good portable generator, while others say that it is heavy and difficult to maneuver on grass.

"Top notch portable generator that powers the whole house. Saved over $400 ordering it here compared to everywhere else...." Read more

"...Its a beast to move so make sure the tires are filled properly (25-30psi)...." Read more

"Although it is portable, it is heavy, about 450 lbs with a full load of gasoline...." Read more

"...Now that it is all assembled it is still a bit of challenge to move around given the weight. But hey, this is not a generator for quick casual use...." Read more

7 customers mention0 positive7 negative

Customers are dissatisfied with the weight of the generator. They mention that the wheels will pop and it's too heavy to move for a woman.

"...It is very heavy so be careful! I have watched videos before hand and i was not surprised by this...." Read more

"...Overall I am very happy with it. It is very loud and very heavy...." Read more

"...It is VERY heavy...." Read more

"...Its heavy piece of equipment and it vibrates alot while running for long periods of time, even when on a horse mat...." Read more

Performed perfectly reliably!
5 Stars
Performed perfectly reliably!
So far i like it. I have only ran it for a few minutes to set it up but will give it a proper break-in and test. It should prove to be a valuable piece of equipment to back up my home's power. I had one issue- the assembly instructions were really terrible. The issue is that the assembly diagram is a really small picture, 2 x 2 inches! I had a hard time reading it and seeing what part is what. Also some of the copy references things that aren't on the generator like how the battery cables are attached. For an expensive large ticket item like this they could at least ship with better documentation. Luckily i am mechanically inclined and i figured it out with minimum issues. One word of caution- it arrives bolted to a pallet and you will need a helping hand to lift it up on blocks to install the feet and wheels. It is very heavy so be careful! I have watched videos before hand and i was not surprised by this. Make sure you have a socket set and wrenches for assembly. Also be ready to put air in the tires as they are not fully inflated. Its a beast to move so make sure the tires are filled properly (25-30psi). They also ship it without oil in it but provide enough oil and supplies to do the initial setup and one oil / filter spark plug change. They do not tell you how much oil to put in. You need to check that it is not overfilled. It has a decent dipstick so go little by little and check it as you go I ended up putting in a bit more than half of the bag they supplied. Overall I like the solid build quality and feels like a serious piece of equipment.Update:When hurricane Isaiah came, my town was without power for 5 days. This generator worked perfectly! I was able to run my central air, all lights, fridge, internet, tv and some other items for hours at a time. It performed reliably and with no issues. I discovered that my usage level was burning about .46 gal/hour. which is a bit lower than what they say it burns at 50% capacity. I also ran it enough to do my first oil change and found that it takes 1.7 quarts and the oil filter is easily found in the local pep boys or car parts store. I am very happy with this purchase and glad i have the peace of mind i have this as a backup.
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Top reviews from the United States

Reviewed in the United States on October 12, 2019
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5.0 out of 5 stars Performed perfectly reliably!
Reviewed in the United States on October 12, 2019
So far i like it. I have only ran it for a few minutes to set it up but will give it a proper break-in and test. It should prove to be a valuable piece of equipment to back up my home's power. I had one issue- the assembly instructions were really terrible. The issue is that the assembly diagram is a really small picture, 2 x 2 inches! I had a hard time reading it and seeing what part is what. Also some of the copy references things that aren't on the generator like how the battery cables are attached. For an expensive large ticket item like this they could at least ship with better documentation. Luckily i am mechanically inclined and i figured it out with minimum issues. One word of caution- it arrives bolted to a pallet and you will need a helping hand to lift it up on blocks to install the feet and wheels. It is very heavy so be careful! I have watched videos before hand and i was not surprised by this. Make sure you have a socket set and wrenches for assembly. Also be ready to put air in the tires as they are not fully inflated. Its a beast to move so make sure the tires are filled properly (25-30psi). They also ship it without oil in it but provide enough oil and supplies to do the initial setup and one oil / filter spark plug change. They do not tell you how much oil to put in. You need to check that it is not overfilled. It has a decent dipstick so go little by little and check it as you go I ended up putting in a bit more than half of the bag they supplied. Overall I like the solid build quality and feels like a serious piece of equipment.

Update:
When hurricane Isaiah came, my town was without power for 5 days. This generator worked perfectly! I was able to run my central air, all lights, fridge, internet, tv and some other items for hours at a time. It performed reliably and with no issues. I discovered that my usage level was burning about .46 gal/hour. which is a bit lower than what they say it burns at 50% capacity. I also ran it enough to do my first oil change and found that it takes 1.7 quarts and the oil filter is easily found in the local pep boys or car parts store. I am very happy with this purchase and glad i have the peace of mind i have this as a backup.
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