This 40-gallon aluminum auxiliary fuel tank by RDS is built for durability, compliance, and extended range. Designed for diesel use in fifth-wheel and long-haul truck setups, this DOT-approved tank offers an excellent solution for increasing fuel capacity. It features a front corner fill, internal baffles, and full integration support with return, drain, and withdraw fittings.

Detailed Information:

Fitting:

Designed for fifth-wheel and other long-range diesel applications. Compatible with RDS Diesel Install Kits (sold separately). Includes withdraw, return, and drain ports for seamless fuel system integration. A blank plate is included for optional fuel pump or sending unit installation.

Features:

• Extended Range: Adds 40 gallons of additional fuel capacity to your vehicle.
• Built-In Baffles: Internal baffles reduce sloshing, improving safety and stability.
• Leak-Tested: Pressure tested to ensure long-term reliability and fuel containment.
• Corrosion-Resistant: Constructed from lightweight, rust-resistant aluminum.
• Versatile Compatibility: Can be used with diesel, water, biofuel, and other approved liquids.
• Overfill Protection: Filler neck design helps prevent spillage during refueling.

Interchangeable Part Numbers:

• RDS-70387

Product Overview:

The RDS 40-Gallon Aluminum Auxiliary Fuel Tank is a rugged, DOT-compliant solution for expanding your fuel range on long trips. Ideal for heavy-duty and fifth-wheel setups, this notched rectangular tank features all necessary fittings for easy system connection and comes ready for installation with mounting hardware. A smart choice for truck owners, fleets, and anyone needing extended travel capacity.