Best Tri Fuel Generator Conversion Kits for Flexible Power on the Go
If you’re looking to run a generator on propane, natural gas, or gasoline, a tri fuel conversion kit can dramatically improve your options during outages, camping trips, or job sites. This guide compares five popular options designed for common generator models and engines. Each kit has its own strengths—whether you need compatibility with Honda and Generac units, RV-ready setups, or a compact, easy-to-install solution. The selections below focus on value, versatility, and safety to help you choose the right upgrade for your backup power needs. Read on to find the best fit for your use case and your budget.
Summary table of featured products:
- GX390 LPG/NG Generator Carburetor Dual Fuel Conversion Kit for Predator and Honda GX engines
- Hutch Mountain Generator Propane Conversion Kit for Honda EU2200i (Tri-Fuel)
- YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Kit (OEM-style)
- EU2200i Propane, Natural Gas and Gasoline Tri Fuel Conversion Kit (ONDAQUA)
- EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit (Grenergy)
GX390 LPG/NG Dual Fuel Carburetor Kit for Predator and GX Engines
This carburetor conversion kit supports Honda and clone GX engines in the 270–390/420cc range and various Generac models, enabling dual-fuel operation. Best for users with older Predator, Honda GX270/ GX340, or 389cc–420cc engines seeking a cost-effective upgrade.
- Best for: Home backup and small shop generators using GX-based engines
- Better for: Users comfortable with carburetor replacements and basic fuel system integration
- Caution: Installation requires careful timing and gasket seating; improper fit may cause air leaks
Hutch Mountain Tri-Fuel Propane Conversion Kit for EU2200i
Designed for the Honda EU2200i, this kit adds propane, gasoline, and natural gas compatibility. It’s ideal for homeowners and campers who want a flexible power source for emergencies, RV use, and outdoor activities.
- Best for: Honda EU2200i owners needing three-fuel flexibility
- Better for: RV enthusiasts and outdoor campers who require reliable fuel options
- Caution: Might require hoses and quick-connect fittings compatible with your setup
YAMAKATO Tri Fuel Generator Carburetor Kit
This kit targets multiple OEMs including Generac, Predator, Champion, and Honda with a compact carburetor approach. Best for: users seeking OEM-style compatibility and broad engine support. Better for: those who want an OEM-compatible replacement carburetor for tri-fuel use. Caution: Ensure correct model match to avoid fitment issues.
ONDAQUA EU2200i Tri-Fuel Conversion Kit
Three-fuel compatibility for the Honda EU2200i, with emphasis on safety and ease of use. The kit supports propane, natural gas, and gasoline, and includes a CSA-certified regulator and brass joints for durability. Best for: home emergencies and RV use with EU2200i power units.
- Best for: Honda EU2200i owners needing reliable tri-fuel operation
- Better for: RVs and tailgating setups where fuel accessibility varies
- Caution: Verify regulator compatibility with your gas supply line and hoses
Grenergy EU2200i Tri Fuel Kit for Propane, Natural Gas & Gasoline
This kit is marketed as a complete, turnkey solution for the EU2200i, featuring propane, natural gas, and gasoline compatibility. It emphasizes out-of-the-box readiness with a focus on safety and ease of use. Best for: homeowners who prefer a plug-and-play approach for their EU2200i inverter generator.
- Best for: EU2200i users seeking simple installation
- Better for: emergency power setups and outdoor activities
- Caution: Some installations may require additional hoses or adapters for specific fuel sources
Buying Guide: Practical Choices For Tri Fuel Kits
How do you choose the right tri fuel kit for your generator? Start by verifying engine compatibility and fuel flexibility. Consider installation complexity, safety features, and component longevity. Look for kits that use certified regulators and corrosion-resistant fittings for durability in varied climates. If you own an EU2200i, prioritize kits explicitly listed for that model to ensure proper calibration and seal integrity.
What should you check before buying?
- Engine compatibility: Confirm the kit lists your exact engine model and displacement.
- Fuel compatibility: Ensure propane, natural gas, and gasoline are all supported with reliable regulators.
- Safety features: Seek designs that minimize air leaks and include protective guards or gaskets.
- Ease of installation: Look for clearly written instructions or vendor support.
- Durability: Brass fittings and corrosion-resistant materials extend life in outdoor use.
How does tri fuel affect performance?
Tri fuel kits enable you to select fuel based on availability and cost. Propane and natural gas can offer cleaner burning and longer storage, while gasoline remains a familiar option in emergencies. Some kits may run a bit differently depending on fuel type, so consider a kit that allows straightforward tuning or adjustments.
What are common limitations?
- Not all kits fit every generator model; accuracy of model-to-kit matching is essential.
- Some installations require professional wiring or carburetor adjustments.
- Fuel supply components (hoses, connectors) must match your fuel source and local codes.
Quick comparison snapshot
- Best for GX-based engines: GX390 LPG/NG Dual Fuel Carb Kit
- Best for Honda EU2200i owners: Hutch Mountain Tri-Fuel and ONDAQUA EU2200i kit
- Best for OEM-style compatibility: YAMAKATO Tri Fuel Carburetor Kit
- Best for ready-to-use plug-and-play: Grenergy EU2200i Tri Fuel Kit
Frequently Asked Questions
- Can I convert any generator to tri fuel?
- What maintenance is required after installation?
- Will tri fuel reduce power output?
- Are there safety certifications for these kits?
- Do I need professional installation?
- How do I store propane or natural gas equipment for long-term use?
These questions guide buyers toward informed, safe choices. Always follow the manufacturer’s installation instructions and local codes when adding a tri fuel option to your generator. The right kit improves versatility and resilience, enabling power on demand across a wider range of fuel sources.