FIRMAN 11,600W Tri-Fuel Portable Generator

Product Overview

The FIRMAN 11,600W Tri-Fuel Portable Generator is an industrial-strength power station engineered for maximum capacity and fuel versatility. At its heart lies a massive 459cc tri-fuel engine, allowing users to seamlessly transition between gasoline, propane (LPG), and natural gas. This unit provides substantial surge capacity—reaching up to 11,600 starting watts on gasoline—making it a powerhouse for whole-home emergency backup, large-scale job sites, and demanding off-grid scenarios.

Built with FIRMAN’s signature rugged durability, the generator features a cast-iron sleeved engine for extended service life and an integrated CO Sensor Alert system to protect users against carbon monoxide buildup. With its massive 9-gallon fuel tank and comprehensive, transfer-switch-ready control panel, this generator is designed to deliver sustained performance even during prolonged utility outages.

Key Features & Benefits

• Superior Tri-Fuel Output: Offers maximum flexibility and fuel security:

  • Gasoline: 11,600 Starting Watts / 9,300 Running Watts

  • Propane (LPG): 10,400 Starting Watts / 8,300 Running Watts

  • Natural Gas (NG): 8,650 Starting Watts / 6,900 Running Watts

• CO Sensor Alert: Integrated safety technology monitors carbon monoxide levels and automatically shuts down the engine if hazardous concentrations are detected, ensuring reliable protection.

• Extended Operation: Equipped with a 9-gallon gasoline tank that provides up to 11 hours of runtime at 50% load, minimizing the need for frequent refueling during emergencies.

• Versatile Connectivity: The transfer-switch-ready control panel features a 50A outlet (14-50R), allowing for efficient connection to residential electrical panels or heavy-duty industrial equipment.

• Dual-Start System: Includes both a reliable electric start (with included battery) and a dependable recoil pull-start backup.

• Certified Reliability: Backed by a 4-year warranty, demonstrating FIRMAN’s commitment to quality and long-term durability.

Technical Specifications

Power & Performance

Outlet & Interface Configuration

Compliance & Physical

Safety & Installation Guidelines

Outdoor Operation Warning: This generator produces carbon monoxide, a colorless, odorless, and deadly gas. Always operate the generator outdoors in a well-ventilated area, at least 20 feet away from any building, window, door, or vent.

What's Included: FIRMAN Tri-Fuel Generator, 12V Battery, 50A Power Cord (varies by region), Spark Plug Wrench, Funnel, Oil, and User Manual.

Are you setting this up for home backup and need advice on choosing a compatible manual transfer switch, or are you looking for tips on maintaining your natural gas line connection?