Best Portable Generator Fuel Tanks for Reliable Power Supply
Ensuring your portable generator has a steady and reliable fuel source is essential for uninterrupted power during outages or outdoor use. This guide reviews some of the best portable generator fuel tanks designed for durability, compatibility, and convenience. Below is a summary table of top fuel tanks and accessories suitable for various generator models to help you power up confidently.
| Product | Brand | Fuel Capacity | Compatibility |
|---|---|---|---|
| JMCHstore OEM Metal Generator Gas Fuel Tank | JMCHstore | 7.2 Gallons | Generac GP5500 – XT8500EFI Series |
| Sportpules Universal 5 Gallon Gas Tank | Sportpules | 5 Gallons | Universal – Generators, Lawn Equipment |
| YGQ Generator Fuel Meter Level Gauge | YGQ | Accessory for Fuel Tanks | Generac 5-8kW Series Generators |
| Z-GS-0795-AP Replacement Fuel Tank | DeVilbiss, Craftsman, Porter Cable, Excell | Extended Run Size | DeVilbiss and Porter Cable Generators |
| Scepter Duramax 14 Gallon Wheeled Utility Transfer Tank | Scepter | 14 Gallons | Multi-Use: Farm, Marine, Jobsite |
JMCHstore Metal Fuel Tank for Generac Generators

The JMCHstore OEM Metal Generator Gas Fuel Tank offers a 7.2-gallon capacity tailored for popular Generac models ranging from 5,500 to 8,500 watts. Its metal construction ensures durability for extended use, making it ideal for replacing worn or damaged tanks on GP and RS series generators. Compatibility with models like GP5500, GP6500, RS7000E, and XT8500EFI guarantees a precise fit.
- OEM specification for Generac 5-8kW portable generators
- Robust metal build designed to withstand outdoor conditions
- Large fuel capacity reduces refueling frequency
This tank is an excellent choice for Generac generator owners looking to maintain optimal performance and fuel capacity. Installation hardware is typically included or easily sourced thanks to its OEM standard design.
Sportpules 5-Gallon Universal Generator Fuel Tank

The Sportpules 5 Gallon Gas Tank is designed for portability and versatility. Built from high-density polyethylene, it resists impacts and can be used for a wide range of gasoline-powered equipment including generators and lawn tools. This tank is especially convenient for those needing a smaller capacity with robust construction.
- Lightweight yet durable construction
- Universal fit for most portable generators
- All necessary accessories included under the tank cap
- Easy to transport and store
Perfect for users who require a reliable backup tank for occasional generator use or multi-application fueling needs, the Sportpules fuel tank ensures safe and efficient fuel storage.
YGQ Fuel Meter Gauge for Generac Generators

The YGQ Generator Fuel Meter Level Gauge is a crucial accessory that provides real-time fuel level monitoring for Generac 5-8kW generators. It replaces older part numbers such as 0H9005 and 0HM05, fitting models like GP5500 and RS8000E. This gauge helps users keep track of remaining fuel, minimizing unexpected outages.
- Compatible with numerous Generac generator models
- Accurate fuel level readings for efficient usage
- Easy installation replacing old or faulty gauges
Adding a fuel meter gauge allows better fuel management especially during prolonged power outages, making this a valuable upgrade for Generac generator owners.
Z-GS-0795-AP Replacement Fuel Tank for DeVilbiss Generators

The Z-GS-0795-AP Replacement Fuel Tank is designed specifically as an extended run fuel tank kit for DeVilbiss and Porter Cable generators. It features a new style with a top access hole, zippered sealed seams, reinforced walls, and complete hardware including a Viton grommet and pedcock valve for leak prevention.
- Brand-specific fit for DeVilbiss and Porter Cable generators
- Improved sealing and mounting features
- All necessary mounting hardware included
- Extended run capacity for longer operation times
This tank replacement kit boosts runtime and reliability, ideal for users needing a durable alternative to the original equipment tank.
Scepter Duramax 14-Gallon Wheeled Transfer Tank

The Scepter Duramax 14 Gallon Wheeled Utility Transfer Tank is ideal for users requiring a large capacity fuel tank with mobility. Its rugged polyethylene construction withstands dents and corrosion, while 6-inch wheels and a sturdy handle facilitate transport over uneven terrains. It supports both gravity flow and manual pump fueling modes, suiting farms, jobsites, and marine use.
- 14-gallon capacity for extended fuel supply
- Heavy-duty wheels and handle for portability
- Flexible fueling options: gravity flow and manual pump
- Durable, corrosion-resistant high-density polyethylene
This transfer tank is versatile, acting as a fuel caddy to refill generators and other gasoline devices efficiently, especially in outdoor or mobile scenarios.
Buying Guide for Portable Generator Fuel Tanks
Fuel Capacity and Runtime
Select a fuel tank that matches your generator’s size and intended run duration. Larger tanks reduce refueling frequency but add weight. For extended use, consider tanks over 7 gallons or extended run kits.
Compatibility With Generator Model
Ensure the fuel tank is designed or compatible with your specific generator brand and model. OEM tanks provide exact fit and function, while universal tanks offer flexibility but may require adapters.
Material and Durability
Metal tanks are durable but heavier and prone to corrosion if not coated. High-density polyethylene plastic tanks resist impact, UV damage, and rust, making them lightweight and weather resistant. Choose based on your usage environment.
Portability and Handling Features
Consider tanks with handles, wheels, or spill-proof caps for convenience. Portable models with wheels are useful for large capacity tanks needing transport over rough terrain.
Additional Features
Fuel level gauges help track remaining fuel and avoid surprises. Some tanks include mounting hardware or siphoning pumps, which can add to ease of use and installation.
Safety and Compliance
Verify the tank meets safety standards for fuel storage and transportation. Look for features such as tight sealing, vented caps, and secure fittings to prevent leaks and fire hazards.