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Generac Power Systems

3500-Watt Open Frame Inverter Generator


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* Estimated stock levels as of Sat, Dec 9, 2023. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

  • Over 50% more starting capacity with new, advanced PowerRush technology so you can do more with less
  • 50% quieter for noise sensitive environments
  • 25% lighter, helping reduce fatigue while improving portability
  • Clean power for sensitive electronics with TruePower
  • One simple-to-use dial that integrates start/run/stop functions with PowerDial


The Generac GP3500iO open frame inverter featuring new, advanced PowerRush technology delivers over 50% more starting capacity for tools and other motor driven equipment - so you can do more with less. Both quieter and lighter, it's the ideal portable solution for camping, powering your RV essentials or tools.

Read and understand all manufacturer warnings included within product packaging and instruction manual. Be diligent and use caution whenever using tools and machinery to avoid serious injury.



AC Maximum Output Motor Starting Watts 3500
AC Rated Output Running Watts 3000
Amps 25
CC Displacement 212
Current Rating 25 A
Engine OHV
Engine Displacement 212cc
Engine RPM Variable
Frequency Hz 60
Fuel Tank Capacity 2.37 gal
Fuel Type Gasoline
Includes Engine Oil, Oil Funnel and Tool Kit
Lubrication Method Splash
Number of Phases 1
Oil Capacity 0.6 qt
Run Time 8 hr
Starting System Recoil
Tank Capacity 2.37 gal
Tank Material Metal
Type Gasoline Powered Portable Generator 3500 Watt
Volts 120
Watts 3500


Dimensions 19.3 in (L) x 16.9 in (W) x 16.4 in (H)
Height 16.4 in
Length 19.3 in
Width 16.9 in

Manufacturing Details
The following information is subject to change without notice

Manufacturer Warranty 3 Year Limited Residential / 1 Year Limited
Prop 65 Warning Warning Warning: This product can expose you to chemicals including Engine Exhaust Carbon Monoxide, Phthalates, and Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Related Documents

Brochure (PDF)

install_sheet (PDF)

warranty_pdf (PDF)

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