Generac · Inverter generator · iQ3800 Dual Fuel 49ST
iQ3800 Dual Fuel 49ST delivers up to 3,000 running watts and 3,800 starting watts from a portable gasoline + propane system.
Infographic gallery
3,000W rated output
The comparison uses Generac’s published rated and peak, surge, or maximum output figures.
Energy source
Gasoline + propane
Published runtime guidance
13 hours at 50% load on the primary listed fuel
107 lb
Listed weight
24.6 × 20.3 × 22.4 in
Dimensions
Charging or integration
Fueling and starting per Generac instructions; manual transfer equipment sold separately
Backup transfer
Not an automatic standby system; approved manual transfer equipment is required for home connection
Noise
Enclosed inverter design; no official dBA figure listed on the model page
Official product gallery
The current official image set for iQ3800 Dual Fuel 49ST includes product views, connection diagrams, feature explanations, and compatible system configurations where Generac publishes them.
Complete specifications
These pages retain Generac's model-specific output, charging, battery, port, continuity, dimensions, environmental, engine, fuel, app-control, and warranty fields where published.
System capability
iQ3800 Dual Fuel 49ST delivers up to 3,000 running watts and 3,800 starting watts from a portable gasoline + propane system.
Power delivery
Generac iQ3800| Dual Fuel Portable Inverter Generator, 49ST .
Safety and controls
Bring the power wherever you go – from tailgate parties to camping trips, jobsites and beyond.
Runtime and fueling
This durable unit features an easy-to-use push button electric start for reliable, hassle-free ignitions with auto-choke (battery included), made for easy portability with an integrated handle and never flat wheels.
Portability detail
Want the option to reduce noise and fuel consumption – or to maximize power response?
Connection options
Plus, the intelligent LED display allows you to easily and accurately see power output and fuel consumption (gas), while onboard COsense® technology provides protection against hazardous carbon monoxide.
Ownership note
And because inverter generators utilize a different type of alternator to generate AC power, the result is a portable generator with reduced weight and size with ultra-clean power, capable of safely powering sensitive electronics and tools.
Additional manufacturer note
• Dual Fuel - Runs on Gasoline or Liquid Propane Fuel for your convenience.
Best-fit uses
Standout features
Use the independent calculator before choosing a battery system or generator.
Find My Generator score
Best for specific needs
Compared with 172 mid output inverter generators in the current catalog.
Running and peak output versus the class
Longest published runtime figure
Lower weight scores higher
Multiple fuel choices
Output or stored energy per listed dollar
Class comparison
A number is more useful with context. Each row shows this model beside its class median and translates the difference into a percentile.
Running output
Higher than 10% of its class
Peak output
Higher than 18% of its class
Published runtime
Longer than 80% of its class
Product weight
Lighter than 28% of its class
How the score works: Scores use published specs and are relative to comparable products in this catalog. Missing specs are excluded and remaining weights are normalized. Runtime is the longest manufacturer-published figure and may use a different load or fuel than another model.
Ownership resources
Start with the exact Generac iQ3800 Dual Fuel 49ST model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.
Compatible accessories
Use a correctly rated cord or professionally selected inlet connection for the intended load.
This model’s published information references parallel operation. Use the manufacturer’s matching kit and pairing rules.
Model-matched filters, spark plugs, batteries, oil supplies, and service parts support scheduled maintenance.
A fitted storage cover protects a cooled, stored generator. A running shelter must be designed for generator operation.
Compatibility note: Links lead to manufacturer or official retailer resources. Confirm the full model or item number, connector type, voltage, amperage, and published compatibility list before buying. Installation involving a home panel, inlet, transfer switch, or fuel plumbing should be handled as required by local code.