Description
Product Overview
The Scepter Portable Boat Gas Tank is engineered for small watercraft that require a reliable, safe, and easy‑to‑handle fuel source. Constructed from a five‑layer, crush‑resistant HDPE shell, the tank withstands the harsh conditions of marine use, including exposure to salt spray, UV radiation, and temperature fluctuations. Available in multiple capacities—3, 6, 9, and 12 gallons—the 6‑gallon model features a slim, low‑profile design that fits under seats or in tight cockpit spaces. Key specifications include a weight of 5.54 lb, dimensions of 19.1 × 12.3 × 10.1 in, and a molded‑in foot system that elevates the tank off the deck for improved ventilation and stability. The integrated top handle enables one‑handed transport from dock to boat, while the EPA/CARB‑approved two‑way vented cap ensures safe pressure release and prevents vapor buildup during refueling.
Usage
Designed for outboard motor boats, dinghies, fishing skiffs, and other small vessels, this tank provides a convenient fuel solution for day trips, weekend outings, and extended coastal excursions. The built‑in fuel gauge allows operators to quickly assess remaining fuel without opening the tank, reducing spillage risk. The tank’s 1/4‑inch NPT inlet accommodates standard marine fuel lines (sold separately), making it compatible with most small‑engine fuel systems. Whether you are navigating calm lakes or tackling choppy coastal waters, the Scepter tank delivers consistent performance, easy refueling, and secure storage.

Why Choose Us
Scepter Marine brings decades of marine fuel container expertise, ensuring each tank meets stringent safety and durability standards. The five‑layer HDPE construction not only resists impact but also minimizes vapor loss, preserving fuel quality. Our two‑way vented cap is certified by EPA and CARB, providing automatic pressure release above 5 PSI, a critical safety feature for marine applications. Each tank undergoes rigorous quality control, and the product is backed by a manufacturer warranty, giving you confidence in long‑term reliability.
Key Features
- Five‑layer crush‑resistant HDPE shell for superior durability in marine environments.
- EPA/CARB‑approved two‑way vented cap automatically releases pressure above 5 PSI.
- Integrated fuel gauge provides instant level checks without opening the tank.
- Molded feet keep the tank elevated for better ventilation and stability on decks.
- Top handle and slim profile enable easy transport and storage on small vessels.
FAQ
What type of fuel can I store in this tank?
The tank is designed for gasoline (petrol) used in outboard motors and small marine engines. Do not store diesel or other fuels.
Is the vented cap compatible with existing fuel lines?
Yes, the cap features a standard 1/4‑inch NPT inlet that works with most marine fuel hoses and fittings sold separately.
How does the built‑in fuel gauge work?
The gauge is a sight‑glass that aligns with the tank’s internal pickup tube, allowing you to see the fuel level through a clear window on the side of the tank.
Can I mount the tank permanently on my boat?
While the tank is portable, you can secure it with marine‑grade brackets or straps if a fixed installation is desired.
What maintenance is required?
Periodically inspect the vented cap for debris, clean the exterior with fresh water, and ensure the fuel line connections are tight and leak‑free.




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