Best 80 Gallon Boat Fuel Tank Options for Extended Range
When you need more range on the water, an 80-gallon fuel tank is a practical upgrade for many boats. This guide highlights five well-suited options, explains who each is best for, and notes potential limitations. The goal is to help you pick an 80-gallon solution that fits your deck layout, fuel type, and refueling habits.
Summary of chosen products
| Product | Brand | Capacity | Best For |
|---|---|---|---|
| Moeller Marine 80 Gallon Fuel Tank | Moeller | 80 gallons | Planar deck mounting and factory-made marine fitments |
| Luoweikadeng 80 Gallon Fuel Bladder | Luoweikadeng | 80 gallons | Flexible space in restricted deck areas |
| RDS MFG Rectangular Auxiliary Transfer Tank – 80 Gallon | RDS MFG INC | 80 gallons | Auxiliary transfer and easy installation |
| VEVOR 116 Gallon Portable Diesel Tank | VEVOR | 116 gallons | Higher range, portable on larger boats |
| Attwood 6-Gallon Portable Tank | attwood | 6 gallons | Supplemental fuel on compact boats |
Moeller Marine Products Fuel Tank, 80 Gallon
The Moeller 80-gallon fuel tank is a purpose-built marine tank designed for American-made standards. It targets vessels that require a robust, stationary installation with ready-made mounting points. Best for owners who want a reliable, factory-supported 80-gallon solution that integrates with standard marine fittings.
Best for: boats with a dedicated fuel compartment and a preference for a factory-calibrated tank. The design emphasizes durability and factory compatibility, reducing custom fabrication needs.
Limitation: installation may depend on available deck or bilge space and mounting hardware compatibility with your existing system.
Moeller Below Deck Permanent 25 Gallon Tank
This model is included as a reference for compatibility considerations. While it is smaller than 80 gallons, it offers insight into installation challenges and how compact designs impact space planning on boats that also carry larger tanks elsewhere on the vessel.
Best for: boats that require a secondary, space-saving tank to complement an 80-gallon primary unit. Choose this if you need to split fuel storage across multiple locations.
Limitation: not suitable as a sole 80-gallon solution; capacity is significantly lower than the target.
RDS MFG Rectangular 80 Gallon Auxiliary Tank
The RDS MFG 80-gallon rectangular auxiliary tank emphasizes domestic production and straightforward dimensions, with practical packaging and basic installation requirements. Best for boaters who want a Plagio-ready auxiliary unit for extended trips.
Best for: buyers seeking a U.S.-made auxiliary fuel tank that can supplement a primary tank during longer voyages. It’s a practical expansion option that fits standard mounting footprints.
Limitation: may require additional fittings or brackets depending on vessel layout.
VEVOR Marine Tank 14.53 Gallon to 55L (Not 80 Gal, example of compact design)
VEVOR offers a smaller tank with a long hose and gauge, illustrating how visible fuel monitoring and simple hose connections can be managed in a compact system. Best for boats that need precise fuel visibility in a limited space and plan for smaller auxiliary fuel needs.
Best for: users who prioritize visible gauge and long hose connections on compact boats. Avoid if you specifically need 80 gallons in a single tank due to size constraints.
Scepter Rectangular 12 Gallon Fuel Tank
Included as a reference for smaller tanks and how capacity influences planning. The 12-gallon option represents another end of the spectrum in case you’re complementing an 80-gallon main tank with a small reserve.
Best for: limited-space applications requiring a small, portable option to extend reach modestly. Not a direct 80-gallon solution.
Buying Guide
- Tank capacity and vessel space: Confirm available deck or bilge space before selecting an 80-gallon tank. Some tanks offer 80 gallons in fixed shapes, while bladders provide flexible fitting options for tight layouts.
- Material and durability: Marine tanks use high-density polyethylene or aluminum. Consider UV resistance, impact tolerance, and corrosion resistance for longevity in saltwater or freshwater environments.
- Mounting and fittings: Check for compatible mounting brackets, fuel pickup, vents, and return lines. Some models come with pre-drilled holes or integrated brackets for easier installation.
- Fuel type compatibility: Most marine tanks support gasoline or diesel; ensure the tank’s fittings and hoses match your engine type and fuel system.
- Monitoring and gauges: A built-in fuel gauge or sight gauge helps track levels. Inspect whether the gauge is easily readable and correctly calibrated for your tank size.
- Portability vs. permanence: Portable tanks are convenient for multi-boat use or temporary setups but may require more securing hardware. Permanent tanks are typically cleaner for permanent installations but require space planning.
- Safety and compliance: Look for tanks designed to minimize evaporation and prevent leaks. EPA/CARB compliance is common on portable models and ensures environmental standards.
FAQ
- What is the advantage of an 80-gallon tank on a boat?
It increases range between refuels and can reduce frequent stops for fuel on longer trips. - Are bladder-style tanks suitable for permanent installations?
Bladders offer flexible space utilization but may require careful securing to prevent movement during rough water. - Can I mix 80-gallon tanks with smaller auxiliary tanks?
Yes, but ensure compatible fittings and a balanced fuel management plan to avoid uneven weight distribution. - What should I consider for mounting a large 80-gallon tank?
Assess clearance, access for refueling and venting, and ensure brackets and fasteners are rated for marine use. - Is it better to buy a US-made tank?
US-made tanks can offer standardized fittings and parts compatibility with common marine systems. - Do I need professional installation for an 80-gallon tank?
Professional installation is advisable if you are unsure about mounting, venting, and fuel line integration.