Generac · Portable generator · GP8000E COsense 49ST/CSA
GP8000E COsense 49ST/CSA delivers up to 8,000 running watts and 10,000 starting watts from a portable gasoline system.
Infographic gallery
8,000W rated output
The comparison uses Generac’s published rated and peak, surge, or maximum output figures.
Energy source
Gasoline
Published runtime guidance
10 hours at 50% load on the primary listed fuel
198 lb
Listed weight
27.2 × 27 × 26.5 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
No official dBA figure listed on the model page
Official product gallery
The current official image set for GP8000E COsense 49ST/CSA 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
GP8000E COsense 49ST/CSA delivers up to 8,000 running watts and 10,000 starting watts from a portable gasoline system.
Power delivery
8,000-watt Electric Start Portable Generator With COSENSE® Technology .
Safety and controls
Generac's GP8000E offers many benefits that make this model a favorite for emergency power or recreational use.
Runtime and fueling
PowerRush™ Advanced Technology delivers over 30% more starting capacity* (*increase electrical current upon demand above rated output when starting electric motors), and electric start makes the GP8000E easy to use (battery included).
Portability detail
You'll always be prepared with the plug-in battery jack that keeps the battery charged and ready for unexpected outages.
Connection options
The long-lasting OHV engine and large-capacity steel fuel tank with fuel gauge provide increased durability and up to an 11-hour runtime at 50% load.
Ownership note
Rough or rugged environments will not be an issue thanks to the covered outlets for added protection, heavy-duty wheels that will never go flat and a fold-down handle that will enable you to easily transport your generator to any location.
Additional manufacturer note
The low-oil feature will automatically shut down the generator, preventing damage to the unit, while the hardened 1.25-in.
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 144 high output portable generators in the current catalog.
Running and peak output versus the class
Longest published runtime figure
Lower weight scores higher
Single-fuel operation
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 37% of its class
Peak output
Higher than 37% of its class
Published runtime
Longer than 28% of its class
Product weight
Lighter than 84% 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 GP8000E COsense 49ST/CSA 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.