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Model # 5735
MSRP: $3,319.00
Every Day Price: $2,699.00
Contractor Savings:


Leaves Warehouse In 1-2 Days

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Avg. Product Review Rating: 4.0/5 (based on 4 reviews - read reviews) Write a Review - $10 Store Credit

Generac Portable GP Series GP17500E Electric Start

  • The Generac OHVI engine incorporates full pressure lubrication with automatic style spin on oil filter for longer life engine
  • Low-oil pressure shutdown automatically safeguards engine from damage
  • Large-capacity fuel tank with incorporated fuel gauge provides durability and extended run times
  • Hardened 1 1/4" steel tube cradle for added strength and durability
  • Hour Meter tracks maintenance intervals
  • Heavy-duty, pneumatic wheels for reliable portability
  • Electric Start, battery included, provides hassle-free start-up
  • Idle control reduces noise and conserves fuel for extended run-times
  • Integrated lifting eye for easy transport and security on the job site

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Generac Power Systems 5735 Details and Specifications

Generac Portable GP Series GP17500E With Electric Start

The Most Powerful Portable Generator Available
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 for backup power during an emergency, Generac's 17500 Watt unit is the ultimate option, with enough power to run up to a 5-ton air conditioner or up to 16 circuits. Also an ideal choice for job sites with high power requirements.

Reliability From the Start
It’s in the engine. Because of Generac’s focus on power generation, we know how to design an engine that can stand up to the long hours of continuous use generators can be required to run. Generac's OHVI® engine incorporates full pressure lubrication with automotive style spin on oil filter for longer life engine.

Easily Accessible Controls
A portable generator needs to be ready for use at all times. Generac added maintenance reminders right on the hour meter, and the convenient fuel gauge provides at-a-glance fuel monitoring. Many portable models have controls located in inconvenient locations, making it difficult to access them quickly, especially in the dark. We gave control placement careful consideration, with comprehensive control sets conveniently located for easy access.

Output Control Panel
Receptacles are protected by circuit breakers to protect cords and prevent overloading. The 50-amp, 120/240 volt receptacle is protected by a toggle-type circuit breaker. All other AC receptacles have pushbutton-type breakers. The 12-Volt DC charging outlet is current limited to 10 amperes. 30-Amp and 50-Amp receptacles require the correct generator cables for use (sold separately).

    •  (2) 120V 20-Amp 5-20R Duplex receptacles (one GFCI) provide up to 2400 watts of power each.
    •  (2) 120V 30-Amp L5-30R Twist Lock receptacles provide up 3600 watts of power each.
    •  (1) 125/250V 30-Amp L14-30R Twist Lock  receptacle for up to 7200 watts of power.
    •  (1) 125/250V 50-Amp 14-50R supplies 12,000 watts of power
    •  (1) 12-Volt, 10-Amp outlet allows battery charging using the included clip on battery cord.

This generator's ground is bonded to the frame for use as a portable. The floating neutral is not bonded to ground or to the generator frame to allow use with a two-pole manual transfer switch. Additional grounding lugs bonded to the frame allow connection to suitable earth grounds rods where required.

Framed for Durability
The hardened steel frame gives our portable generator cradles added strength and are a premium 1¼” thick, a full ¼” thicker in diameter than competitors' models. The addition of integrated brackets and impact resistant corners on most models gives contractors rugged options ideal for job site use.

Idle Control
Reduces noise and conserves fuel for extended run-times.

Integrated Lifting Eye
For easy transport and security on the job site.

Electric Start
Battery included, provides hassle-free start-up.

Emissions: EPA/49 State, not for sale to California

Includes: Wheel Kit, Battery, Battery Charge Cable, Preventative Maintenance Kit, Product Literature.

Product Specifications

Model Number 5735
Manufacturer Generac Power Systems
Made In USA Yes
Rated Watts 17.5kW
Surge Watts 26.25kW
Rated Amps 145/72.9
Voltage 120/240V Single Phase
Enclosure None
UL Listed No
Starting System Electric Start
Low Oil Alert Yes
Idle Control Yes
Receptacles 1 – 10 Amp 12V DC Battery Charger Input
1 – 20 Amp 120V 5-20R GFCI Duplex
1 – 20 Amp 120V 5-20 Duplex
2 – 30 Amp L5-30 Twistlock
1 - 30 Amp L14-30 Twistlock
1 - 50 Amp 14-50
Fuel Gauge Yes
Portability Kit Included
Hour Meter Yes
Product Weight 390 lbs
Dimensions (Inches) 48.5L x 30.75W x 38.5H
Engine Brand Generac OHVI
Engine Size 992 cc
Engine RPM 3600 RPM
Alternator Type Brushed
Frequency 60 Hz
Fuel Type Gasoline
Fuel Tank Material Resin
Fuel Tank Size 16 Gallons
Run Time (50% Load) 10 Hours
Warranty Information
Consumer Warranty 2 Years Limited
Commercial Warranty 1 Year Limited
Shipping Weight 449 lbs
Shipping Dimensions 36H x 50W x 25D
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Product Reviews

  1. Satisfied with this generator

    Posted by QuickieC on 14th Sep 2013

    I purchased this generator from Norwall a while ago, very satisfied with this Generac generator. An electrician friend of mine installed the transfer switch. I have the battery hooked up to a trickle charge when not in use. This machine was a life saver for me during TS Irene & Superstorm Sandy. You can't go wrong with portable generator.

  2. Check out my video review

    Posted by Ron Kelderman on 13th Dec 2012

    If you would like to see my video review of this generator please go to You Tube and type in
    ronkpaws1 or click on the link below.


  3. Very happy with the generator

    Posted by John E on 11th Sep 2012

    I recieved the GP17,500E in a very timely manor along with the delivery driver could not be more helpful. I found putting it together was very easy. When I tried the generator out, it started up with no problem and everything worked the way it was supposed to. I highly recommend this generator to others.I did replace my electric panel so I could have a transfer switch built in to the electric panel. Thanks for the fast delivery and the communications I recieved from Norwall power systems keeping me informed with the shipping information.

  4. Very well made.

    Posted by Ron K, Lexington, SC. on 23rd Jul 2012

    This generac generator was shipped to me in a very timely manner. I was very satisfied to see that it was shipped on a heavy duty pallet. R/L Carriers also did a great job of delivering the generator to my home/ shop. The way that the frame is put together with rounded corners on the bottom helped me to be able to put the axles and wheels on without killing myself lifting one side at a time to put a floor jack under it and raise it high enough to put it all together. The reason I gave it 4 stars instead of 5 stars is because of only two miner problems that I found. One was the Positive battery cable from the battery to the starter rubs against the center vertical frame rail. I had to put a rubber guard around the cable with zip ties to protect it from grounding out against the frame if it rubbed through in the future. The second problem was the way that the gas line from the tank to the motor was routed. It goes at a angle downward coming out of the tank and then it goes up over a center rail and back down to the motor. I will drill a hole in the cross rail and install a rubber grommet so the fuel line will have a straighter path from the tank to the motor. Other than that it is very well made. I only had to put oil in the motor, put gas in the tank, and hook up the battery. It did not take but a few seconds to start up the first time. I ran it for awhile in both modes and it worked just like it was made to do. I ran some of my power tools to see how it managed the different loads and I found no other problems. I always look to buy things made in the USA and this is far and beyond better than foreign made junk and if I need parts in the future there is a dealer not to far from where I live. If this generator is the size you need I highly recommend it.

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Shipping Terms

All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

Some restrictions apply to "Free Shipping" you may either view our
Shipping Information page or contact us for details.