When selecting a large tri fuel generator, you need robust power, fuel flexibility, and reliable features to keep your home or worksite running smoothly. Tri fuel generators run on gasoline, propane, or natural gas, offering ultimate versatility. This guide covers the best large tri fuel generators equipped with powerful engines and advanced technology for dependable performance during power outages or outdoor use. Below is a summary table highlighting key specifications of the top models.
| Model | Peak Watts | Running Watts | Fuel Options | Engine Size | Start Type |
|---|---|---|---|---|---|
| DuroMax XP13000HXT | 13,000 | Not Specified | Gasoline, Propane, Natural Gas | 500cc OHV | Recoil/Electric |
| Westinghouse 14500 Peak Watt | 14,500 (gasoline) | 11,500 (gasoline) | Gasoline, Propane, Natural Gas | Not Specified | Remote Electric |
| Westinghouse 18000 Peak Watt | 18,000 (gasoline) | 14,500 (gasoline) | Gasoline, Propane, Natural Gas | 713cc V-Twin | Electric & Remote |
| DuroMax XP16000iH 16,000-Watt | 16,000 | 13,000 | Gasoline, Propane | Not Specified (Inverter) | Remote Electric |
| Westinghouse 13500 Peak Watt | 13,500 (gasoline) | 10,500 (gasoline) | Gasoline, Propane, Natural Gas | 500cc OHV | Remote Electric & Recoil |
DuroMax XP13000HXT 13,000-Watt Tri Fuel Generator
The DuroMax XP13000HXT model offers a powerful 13,000-watt output to support whole-home backup needs. Powered by a sturdy 500cc OHV engine, it provides exceptional power and durability. This tri fuel generator allows switching between gasoline, propane, or natural gas, offering ultimate fuel flexibility to suit your situation.
It includes a CO Alert system to protect your family against harmful carbon monoxide fumes during operation. The generator is designed for portability and ease of use in emergencies or on job sites. Its robust engine and versatile fuel options make it a reliable choice for extended power outages or heavy-duty demands.
Westinghouse 14500 Peak Watt Tri-Fuel Backup Generator
The Westinghouse 14500 Peak Watt generator serves as a reliable power source for larger homes with 14,500 peak watts and 11,500 running watts on gasoline. It supports all three fuels: gasoline, propane, and natural gas, with varying wattages to optimize performance.
This generator can run up to 19 hours on a full 9.5-gallon tank of gasoline and about 7 hours on a 20-pound propane tank. It features a built-in fuel gauge for easy monitoring. Its design is ideal for both portable use and as a home backup, providing endurance and dependable power delivery when you need it most.
Westinghouse 18000 Peak Watt Tri-Fuel Generator
The Westinghouse 18000 Peak Watt generator boasts one of the highest power ratings in tri fuel generators with 18,000 peak watts and 14,500 running watts on gasoline. It is powered by a robust 713cc V-Twin 4-Stroke OHV engine that ensures long-lasting durability.
Additional safety features include an automatic low oil and carbon monoxide (CO) shutdown, making it safer for indoor-proximate use. It offers multiple outlet options, including transfer switch ready and RV-ready connections. Remote electric start and a digital hour meter provide convenience and easy operation. It can run up to 12 hours on a full fuel tank.
DuroMax XP16000iH 16,000-Watt Dual Fuel Inverter Generator
The DuroMax XP16000iH is a powerful dual fuel inverter generator with 16,000 peak watts and 13,000 running watts. It fuels on gasoline or propane, providing essential flexibility, especially when natural gas isn’t available.
Its inverter technology ensures clean, stable power suitable for sensitive electronics like computers and TVs. The generator supports remote electric start and is transfer switch ready, designed for whole home power backup or jobsite use. It’s a modern solution for high-capacity portable power needs.
Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Generator
The Westinghouse 13500 Peak Watt model offers solid backup power with 13,500 peak watts and 10,500 running watts on gasoline. It runs on gasoline, propane, or natural gas for increased fuel versatility.
This generator comes with a 500cc engine featuring automatic low oil and CO shutdown systems to improve safety and engine longevity. It supports remote electric start with a key fob and includes multiple convenience outlets, including transfer switch compatibility for easy home integration.
Buying Guide for Large Tri Fuel Generators
Choosing the best largest tri fuel generator involves considering several critical factors to match your power needs and usage scenarios. Below are key considerations to guide your purchase:
Power Output
Peak watts represent the generator’s maximum burst power for starting appliances, while running watts indicate continuous power output. For whole-home or heavy-duty jobsite use, select a generator with peak watts above 13,000 and running watts above 9,000 to support multiple high-demand devices simultaneously.
Fuel Flexibility
Tri fuel generators operate on gasoline, propane, and natural gas, allowing fuel selection based on availability and convenience. Dual fuel models (gasoline and propane) provide good flexibility, but tri fuel models offer the widest range of fuel options, ideal for long-term outages or areas with changing fuel supply.
Engine Specification and Durability
Larger engines (500cc and above) are typical for high-output generators, ensuring sustained power delivery. Engines with overhead valve (OHV) technology or V-twin configurations tend to perform better under load and have longer lifespans. Features like cast iron sleeves and automatic low oil shutdown enhance engine protection.
Start and Convenience Features
Look for electric or remote start functionality for ease of use. Remote start key fobs add convenience, especially during bad weather. Fuel gauges, digital hour meters, and CO safety shutdowns improve usability, monitoring, and safety.
Safety and Compliance
Modern tri fuel generators often include Carbon Monoxide (CO) sensors for automatic shutdown in unsafe conditions. GFCI outlets and rubber-covered receptacles provide electrical safety. Ensure transfer switch readiness if you intend to connect the generator to your home’s electrical system safely.
Portability and Noise Level
Although large tri fuel generators are heavy, look for wheel kits and folding handles for easier transportation. Check noise ratings if you prefer quieter operation, especially for residential areas.
Run Time and Fuel Consumption
Generators with larger fuel tanks and efficient engines offer longer run times on a single fill. Consider your typical usage duration and whether extended runtime is critical for your backup power needs.