Mack Superliner Truck Fuel Tanks

Frequently Asked Questions About Mack Superliner Truck Fuel Tanks

What sizes and capacities are available for Mack Superliner fuel tanks?

Mack Superliner fuel tanks typically range from 50 to 150 gallons per tank, with the most common sizes being 100, 120, and 150 gallons. Aluminum tanks are available in round or D-shaped configurations, while steel tanks are primarily cylindrical. When selecting a size, consider your typical route distances and whether you're running single or dual tank setups. Most Superliners can accommodate dual 120-gallon tanks for a total capacity of 240 gallons.

Will these fuel tanks fit my specific Superliner model year?

Our fuel tanks are designed to fit Mack Superliner models from 1985 through 2000, including RW, CL, and CH series variants. However, mounting bracket configurations can vary between early models (1985-1992) and later models (1993-2000). The main differences involve strap placement and crossmember spacing. Before ordering, verify your truck's exact model year and check the distance between your frame rails, which should be either 34 or 34.5 inches for standard Superliners.

What's the difference between aluminum and steel fuel tanks, and which should I choose?

Aluminum tanks weigh approximately 50% less than steel tanks of the same capacity, improving fuel economy and payload capacity. They resist corrosion better but can be more susceptible to road debris damage. Steel tanks are more durable against impacts but require regular inspection for rust, especially in areas using road salt. Aluminum tanks typically cost 20-30% more initially but often last longer in corrosive environments. Most owner-operators prefer aluminum for weight savings, while some fleet operators choose steel for durability.

What installation hardware and modifications are typically required?

Installation requires tank straps, mounting brackets, rubber isolators, and appropriate fuel line fittings. Most Superliner fuel tank installations take 2-4 hours per tank. You'll need to verify fuel pump compatibility, especially when upgrading tank size. Crossover lines may need adjustment for dual tank setups. Some installations require relocating DEF tanks or modifying exhaust brackets on newer retrofitted models. We recommend having new fuel filters and shut-off valves on hand during installation.

How do I maintain proper fuel tank appearance and prevent common issues?

Polished aluminum tanks require regular cleaning with aluminum-specific polish to maintain shine and prevent oxidation. Use rubber tank straps rather than metal to prevent galvanic corrosion. Inspect mounting straps every 6 months for wear, as broken straps are the leading cause of tank damage. Check fuel cap seals regularly to prevent water contamination. For steel tanks, touch up any paint chips immediately to prevent rust. Install splash guards to minimize road debris impact, especially if you frequently run unpaved roads.