Best Generator Conversion to Propane: Switch to LPG Easily
Answer: If you want to run a portable or standby generator on propane (LPG) without sacrificing gasoline capability, choose a tri-fuel or propane-first conversion kit that installs with minimal carburetor changes. The top options below are selected for reliability, ease of use, and clear guidance on who benefits most—from emergency prepper to weekend hobbyist. The following product picks help compare compatibility, installation effort, and long-term maintenance considerations for propane conversions.
| Product | Best For | Why It Stands Out |
|---|---|---|
| Grenergy EU2200i Tri Fuel Conversion Kit | Honda EU2200i users seeking ready-to-run propane out of the box | Preset for propane, no carburetor modifications required; good emergency-use option |
| Grenergy EU2000i Propane/Natural Gas/Tri Fuel Kit | Smaller inverter generators needing flexible fuel options | Complete kit, propane-ready, durable tri-fuel performance |
| YAMAKATO Dual Tri Fuel Carburetor Kit for Predator/Champion | Older or clone engines needing versatile fuel conversion | Wide engine compatibility, OEM-style gaskets, multi-model support |
| HIPA 389cc Tri Dual Generator Carburetor Propane Kit | Champion/Predator/GX-series engines requiring robust tri-fuel operation | 3-position switch, reliable cold-weather starts, broad compatibility |
| Natural Gas Conversion Kit for Duromax XP12000EH | Duromax XP12000EH owners wanting low-pressure natural gas | No permanent Car modification, preserves gasoline capability |
Grenergy EU2200i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit
The Grenergy EU2200i kit is designed as a complete tri-fuel solution for Honda inverter generators. It ships ready to run on propane, with no carburetor modifications required. It provides an alternative fuel option during emergencies when propane is readily available, easy to store, and has a long shelf life. The kit makes switching between gasoline and propane straightforward, and it minimizes the risk of carburetor gumming when stored long-term.
- Best for users who need a simple, plug-and-play propane option on a Honda EU2200i.
- Better for emergency preparedness where propane supply is favored over gasoline.
- Limitation: May not fit non-Honda or older inverter models without additional adapters.
GRENERGY EU2000i Propane, Natural Gas & Gasoline Tri Fuel Conversion Kit
This Grenergy kit is a complete tri-fuel package for the EU2000i family. It emphasizes ease of use and long-term storage reliability, enabling you to switch between fuels without carburetor modification. It’s targeted at users needing a flexible, portable power solution during outages or outdoor work where propane is a practical fuel choice.
- Best for compact, portable generators where quick fuel switching matters.
- Better for weather- or disaster-related outages due to propane’s long shelf life.
- Limitation: Calibration and initial setup may require careful alignment for specific units.
YAMAKATO Dual Tri Fuel Carburetor for Predator & Champion Generators
This YAMAKATO kit targets a broad range of Predator, Champion, and GX-engined generators. It supports gasoline-to-propane-to-natural gas conversions with a carburetor replacement approach and includes non-asbestos mounting gaskets for OEM-like compatibility. It is best for owners of mid-sized generators seeking a broad compatibility tri-fuel solution.
- Best for multi-model compatibility across several brands.
- Better for users who want a single kit that covers many engines.
- Limitation: Some Gen-X models may require additional adjustments or adapters.
HIPA 389cc Tri Dual Generator Carburetor Propane Kit
The HIPA kit is designed for a wide range of engines, including Champion, Predator, Generac GP-series, and GX340/ GX390-based setups. It provides a robust three-position rotary switch and a manual choke for reliable cold starts in varied climates. This kit is a practical choice for users needing dependable propane operation across multiple engine types.
- Best for broad compatibility and reliable cold-start performance.
- Better for users who need a manual choke option in diverse weather.
- Limitation: Some models may require precise tuning for optimal tri-fuel performance.
Natural Gas Conversion Kit Compatible with Duromax XP12000EH
This kit uses the carburetor’s existing natural gas inlet port and does not require permanent modification. It preserves the gasoline running option and allows a return to stock propane by reconnecting the factory hose. It’s best for Duromax XP12000EH owners who want a low-effort natural gas option without losing gasoline flexibility.
- Best for Duromax XP12000EH users who want minimal modifications.
- Better for those prioritizing a simple switch between natural gas and gasoline, with propane as a secondary option.
- Limitation: Targeted to a single model; cross-application needs verification for other units.
Buying Guide: Key Considerations For Propane Generator Conversions
- Fuel family and compatibility: Confirm the kit matches your engine family (Honda, Predator, Generac, GX-series, etc.). Tri-fuel kits offer the broadest flexibility, while model-specific kits may require fewer adjustments.
- Installation effort: Some kits are plug-and-play with no carburetor modification, while others replace or adapt the carburetor. Assess whether you prefer minimal downtime or a more involved setup for long-term benefits.
- Propane storage and shelf life: Propane is stable and easy to store, making it favorable for emergency preparedness. Consider your typical usage pattern and storage space when choosing a kit.
- Emergency readiness: If outages are common, prioritize kits that enable quick switching between fuels and reliable cold-weather starts. A 3-position switch can improve safety and usability in varying conditions.
- Carburetor health and maintenance: Some kits claim to prevent carburetor gumming during long-term storage. If long storage is common for your generator, this feature can reduce maintenance needs.
- Warranty and model coverage: Verify which models are officially supported by the kit. Broad compatibility is beneficial, but ensure the kit is designed for your exact engine model and displacement.
- Safety and leakage prevention: Look for features like automatic shutoff or leak-prevention designs in emergency conditions. A properly sealed system reduces risk when storing or switching fuels.
Frequently Asked Questions
- What’s the easiest propane conversion for a portable inverter generator? Choose a tri-fuel kit designed for your exact model, ideally a plug-and-play solution that requires no carburetor modification.
- Can I switch back to gasoline after using propane? Yes. Most kits retain the original gasoline path and provide a method to reconnect the stock propane hose as needed.
- Is propane safe for generators during storage? Propane stores well and is less prone to degradation, making it a practical choice for emergency preparedness when stored properly.
- Do all kits fit every generator brand? No. Compatibility depends on engine size, carburetor type, and model. Always verify model-specific compatibility before purchasing.
- Are there any downsides to tri-fuel kits? Some kits may require initial tuning and calibration, and a few models may need adapters for full compatibility.
- What should I consider for cold-weather starts? Look for a kit with a manual choke option or a design that supports reliable starting in low temperatures.