Generac GP3300i Portable Inverter Generator

Clean, Quiet, Reliable Power Wherever You Need It

The Generac GP3300i Portable Inverter Generator is engineered for homeowners, outdoor enthusiasts, contractors, and RV owners who need dependable portable power without sacrificing fuel efficiency or quiet operation. Equipped with PowerRush™ Advanced Technology, TruePower™ inverter technology, and COsense® Carbon Monoxide Protection, this generator delivers safe, stable electricity for everything from sensitive electronics to essential household appliances.

Whether you’re preparing for unexpected power outages, camping off-grid, working at remote job sites, or enjoying outdoor events, the GP3300i offers the ideal combination of performance, portability, and advanced safety.

Powerful 149cc Generac OHV Engine

At the heart of the GP3300i is a dependable 149cc Generac OHV gasoline engine, engineered to deliver reliable performance and outstanding fuel efficiency.

Engine Benefits

• 3,300 starting watts
• 2,500 running watts
• Reliable pull-start operation
• Efficient overhead valve (OHV) design
• Excellent fuel economy
• Durable long-life construction

The efficient engine delivers dependable power for home backup and recreational use while maintaining low fuel consumption.

PowerRush™ Advanced Technology

Generac’s exclusive PowerRush™ Advanced Technology provides significantly greater starting capacity than conventional inverter generators.

PowerRush™ Advantages

• Over 50% more starting capacity
• Starts larger appliances with ease
• Reduced voltage drop during startup
• Improved performance for motor-driven equipment
• Greater versatility for demanding loads

This additional surge capacity allows you to power refrigerators, pumps, air compressors, and other equipment that require extra startup power.

TruePower™ Clean Inverter Technology

The GP3300i produces utility-grade electricity with less than 3% Total Harmonic Distortion (THD).

Clean Power Benefits

• Safe for laptops
• Ideal for smartphones and tablets
• Protects televisions and gaming systems
• Reliable for medical equipment
• Perfect for battery chargers and sensitive electronics

TruePower™ inverter technology ensures smooth, stable electricity that modern electronics require.

Quiet, Neighbor-Friendly Operation

Unlike conventional generators, the GP3300i operates quietly thanks to its fully enclosed inverter design.

Quiet Operation Features

• Fully enclosed housing
• Noise level below 60 dB
• Ideal for campsites
• Great for RV parks
• Perfect for residential neighborhoods
• Comfortable operation during extended use

Enjoy dependable power without disturbing family members, neighbors, or fellow campers.

COsense® Carbon Monoxide Protection

Safety is built into every GP3300i with Generac COsense® Technology.

Safety Features

• Continuously monitors carbon monoxide levels
• Automatically shuts down in unsafe conditions
• Audible safety alerts
• Added protection during outdoor operation
• Helps reduce carbon monoxide hazards

This intelligent safety system provides additional peace of mind whenever the generator is operating.

Fuel Efficient Performance

Designed for long operating times while minimizing fuel consumption.

Fuel System Highlights

• 1.06-gallon fuel tank
• Up to 4.5 hours of runtime at 50% load
• Automatic Economy Mode
• Reduced fuel consumption
• Longer operating time between refueling

Economy Mode automatically adjusts engine speed based on power demand, reducing both fuel usage and engine wear.

Compact, Lightweight & Portable

The GP3300i is easy to transport thanks to its compact footprint and integrated carrying handle.

Portability Benefits

• Lightweight 59.5 lb design
• Built-in ergonomic carry handle
• Compact storage footprint
• Easy transportation
• Ideal for travel and mobile applications

Take reliable power wherever your work or adventures lead.

User-Friendly Control Panel

Operate and monitor the generator with confidence using its simple, accessible control panel.

Control Panel Features

• Multiple AC outlets
• USB charging capability
• LED status indicators
• Low-oil warning
• Overload protection
• Ready-to-use power indication

The intuitive layout makes operation simple for both first-time and experienced users.

Built for Outdoor Adventures & Emergency Backup

The Generac GP3300i is designed to perform in a wide variety of environments.

Ideal Applications

• Emergency home backup
• Camping trips
• RV power
• Tailgating events
• Outdoor entertainment
• Food trucks
• Job sites
• Mobile businesses
• DIY projects
• Recreational activities

Its versatility makes it an excellent all-around portable inverter generator.

Durable Generac Engineering

Generac has engineered the GP3300i for dependable long-term performance.

Premium Construction

• Durable enclosed housing
• Copper alternator
• Heavy-duty internal components
• Air-cooled engine
• Reliable recoil starting system
• Built for years of dependable service

Designed to withstand demanding outdoor environments while delivering reliable performance year after year.

Technical Specifications

Why Choose the Generac GP3300i Portable Inverter Generator?

✔ 3,300 starting watts and 2,500 running watts

✔ PowerRush™ Advanced Technology for higher starting capacity

✔ TruePower™ clean inverter power for sensitive electronics

✔ Quiet operation below 60 dB

✔ COsense® carbon monoxide protection

✔ Fuel-efficient Economy Mode

✔ Lightweight, compact, and portable design

✔ Ideal for camping, RVs, tailgating, and emergency backup

✔ Automatic voltage regulation and low-oil shutdown

✔ Backed by Generac’s 3-Year Limited Warranty