Generac GP3500iO: Specs & Datasheet

Generac GP3500iO: Specs & Datasheet

MPN: GP3500iO

The Generac GP3500iO is listed under portable generators in the Generac catalog at Portlandia Electric Supply. Contractors and buyers searching “GP3500iO” for specifications or the datasheet land here: below are the published specifications we have on file for this exact part number, plus compatibility and sourcing notes. Key published ratings: Voltage 120V.

Specifications

Manufacturer Generac
MPN GP3500iO
Part Number (MPN) 7128
Starting Watts 3500W
Running Watts 3000W
Voltage 120V
Inverter Yes – clean power output
Frame Type Open frame lightweight design

Compatible With / Used In

  • Generators applications — manufacturer-listed product category for this part number
  • Exact part-number replacements — this page covers MPN GP3500iO only — confirm the full part number on your unit, quote, or datasheet before ordering
  • Contractor and installer sourcing — quantity pricing and nationwide shipping from Portlandia Electric Supply — call (502) 790-0600

Datasheet Availability

Generac publishes datasheets and installation documents through its official website. For the GP3500iO datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.

● In stock at PES Supply → In stock at Portlandia Electric Supply — ships nationwide with quantity pricing for installers.
View the GP3500iO product page →Get a quote →
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Frequently Asked Questions

What are the specs of the Generac GP3500iO?

Key published specs — Part Number (MPN): 7128; Starting Watts: 3500W; Running Watts: 3000W; Voltage: 120V. The full specification table above lists every value we have on file; values marked “vendor listing” are from our supplier feed and pending manufacturer verification.

Where can I get the GP3500iO datasheet?

Generac publishes datasheets and installation documents through its official website. For the GP3500iO datasheet PDF specifically, call (502) 790-0600 and we will include it with your quote.

Is the Generac GP3500iO in stock?

Yes — in stock at Portlandia Electric Supply with nationwide shipping. Call (502) 790-0600 for pricing and lead time.

How do I make sure the GP3500iO is the right part?

Match the full part number GP3500iO exactly against your unit, quote, or existing datasheet — part-number families differ in ratings. Call (502) 790-0600 and our team will verify it before you order.

Specifications sourced from the manufacturer listing data maintained by Portlandia Electric Supply. Where a value is not published, it is marked as such — we do not estimate specifications. Questions: call (502) 790-0600. Portlandia Electric Supply, Louisville, KY — 12+ US distribution hubs.