Generac · Portable generator · GP9500E Tri Fuel 49ST
GP9500E Tri Fuel 49ST delivers up to 9,500 running watts and 12,500 starting watts from a portable gasoline + propane + natural gas system.
Infographic gallery
9,500W rated output
The comparison uses Generac’s published rated and peak, surge, or maximum output figures.
Energy source
Gasoline + propane + natural gas
Published runtime guidance
9.5 hours at 50% load on the primary listed fuel
219 lb
Listed weight
27.5 × 27.1 × 27.06 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 GP9500E Tri 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
GP9500E Tri Fuel 49ST delivers up to 9,500 running watts and 12,500 starting watts from a portable gasoline + propane + natural gas system.
Power delivery
Generac GP9500E | Tri Fuel Portable Generator, 49ST .
Safety and controls
Capable of running on gasoline, liquid propane or natural gas fuel source with the simple turn of a dial, this portable generator offers power, flexibility and reliability.
Runtime and fueling
With 12500 starting watts and 9500 running watts (Gas), the GP9500E Tri Fuel is simple to use, durable and easy to move in an emergency, around your next home project or wherever else you need it most.
Portability detail
Onboard COsense® technology provides powerful protection from hazardous carbon monoxide and the 500cc Generac® OHV engine provides consistent power for multiple applications, while a 7.5-gallon fuel tank delivers up to 9.5-hours runtime at 50% load (Gas).
Connection options
• Tri Fuel – Runs on Gasoline, Liquid Propane and Natural Gas Fuel for your convenience.
Ownership note
• 9.5-Hour Runtime when running on gasoline and 4.5-Hour Runtime on 20lb LP tank when 50% of power is being used.
Additional manufacturer note
• Easy-to-Use Electric Start – Rocker switch provides reliable and hassle-free startups (Battery included).
Best-fit uses
Standout features
Use the independent calculator before choosing a battery system or generator.
Find My Generator score
Competitive in its class
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
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 62% of its class
Peak output
Higher than 64% of its class
Published runtime
Longer than 22% of its class
Product weight
Lighter than 46% 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 GP9500E Tri 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.