Best Generators That Run on Propane: Conversion Kits and More
Direct answer: If you want to convert a petrol generator to propane or LPG, use a conversion kit that includes a regulator and a gas carburetor for safe, stable gas supply. The top picks below are suited for different needs—compact, portable units for camping; larger, home-backup models for reliable power. This guide highlights five options, who they’re best for, and key cautions to consider before purchasing.
Summary table of selected products
| Product | Best For | Notes |
|---|---|---|
| Conversion Kits For Petrol Generators 2-5KW | Budget-friendly, versatile | Includes regulator and carburetor; supports methane CNG or propane LPG |
| HIPA 389cc 420cc Tri Dual Generator Carburetor Propane Conversion Kit | Medium generators, multiple brands | 3-position switch; compatible with many engine types |
| Conversion Kit 2-5KW Petrol Generators to LPG/CNG | Easy upgrade, safe operation | Regulator and carburetor included; keeps power unchanged |
| A-iPower 7600W Gas Propane Inverter Generator | Backup home, RV, camping | Dual fuel; high-quality power for electronics |
| GX390 LPG/NG Generator Carburetor Dual Fuel Kit | Genuine replacements for GX390 and clones | Carburetor replacement kit; designed for safety |
Conversion Kits For Petrol Generators 2-5KW

Best for: Budget-conscious buyers needing a straightforward path to propane or CNG/methane compatibility for small generators. Why selected: Includes both a pressure regulator and a gas carburetor, enabling safe, stable gas supply and a shutoff when the unit stops to prevent leaks. Limitation: May require compatibility checks with specific 2-5KW petrol models.
HIPA 389cc 420cc Tri Dual Generator Carburetor Propane Conversion Kit

Best for: Generators from Champion, Predator, Generac, and Honda GX-series with 338cc–460cc engines. Why selected: Offers a three-position rotary switch to prevent leaks and supports gasoline, propane, and natural gas. Limitation: Primarily designed as a direct replacement for standard manual choke carburetors.
Conversion Kit 2-5KW Petrol Generators to Use for LPG Propane/CNG

Best for: Owners of small to mid-size petrol generators who want to widen fuel options. Why selected: Complete kit with regulator and carburetor to run on propane or CNG methane, maintaining safe operation with automatic shut-off when not in use. Limitation: Some models may require manual adjustments for optimal performance.
A-iPower 7600W Gas Propane Inverter Generator

Best for: Home backup, RV use, and camping where quiet operation and clean power matter. Why selected: Dual-fuel capability (gasoline and propane), inverter technology with stable power suitable for sensitive electronics. Limitation: Larger footprint and higher noise than smaller units; professional installation may improve performance on propane.
GX390 LPG/NG Generator Carburetor Dual Fuel Kit

Best for: Generators in the GX390 family and clone engines needing a reliable dual-fuel carburetor replacement. Why selected: Specifically designed as a carburetor replacement that supports LPG/NG alongside gasoline. Limitation: Compatibility depends on engine displacement and model series; verify part numbers and clone compatibility.
Buying Guide
What to consider when choosing a propane or LPG conversion kit for a generator
- Engine compatibility: Confirm the kit matches your generator’s displacement and model family (2-5KW range, GX390/ GX340, etc.).
- Fuel options: Decide between propane (LPG) and natural gas (CNG) compatibility, or dual-fuel capability.
- Safety features: Look for an integrated pressure regulator, a gas shut-off when not in use, and a leak-prevention design.
- Installation effort: Some kits are straightforward replacements, while others require more mechanical adjustment or professional help.
- Power stability: Ensure the kit maintains generator output and does not cause significant power fluctuations for sensitive electronics.
- Durability and components: Check build quality of the carburetor and regulator, as these are critical for safe operation.
Frequently asked questions
- Can I convert any petrol generator to run on propane?
- Do propane conversion kits affect generator power output?
- Is a professional installation recommended for dual-fuel setups?
- What safety features are essential in a conversion kit?
- Will converting void the generator’s warranty?
- How do I maintain a propane-converted generator for longevity?
Direct answers:
- Conversions are generally possible within the 2-5KW range, but compatibility varies by model. Check the kit’s listed engine types.
- A quality kit aims to preserve output while offering fuel flexibility; expect similar or improved efficiency with propane in many cases.
- Professional installation is advisable for complex dual-fuel systems or larger generators.
- Essential safety features include a pressure regulator, a proper shut-off mechanism, and leak-prevention design.
- Warranty terms vary by manufacturer; review the product’s policy before installing.