International WorkStar Fuel Tanks

Frequently Asked Questions About International WorkStar Fuel Tanks

What size fuel tanks are available for International WorkStar trucks, and how do I know which capacity I need?

International WorkStar fuel tanks typically range from 50 to 150 gallons, with 100-gallon and 120-gallon options being the most common. To determine the right capacity, consider your typical route distance, fuel economy (usually 5-7 MPG for WorkStar models), and whether you need extended range for long hauls. Most vocational applications work well with 100-gallon tanks, while severe-duty or long-distance operations often require 120-150 gallon capacities. Always verify your frame rail space before ordering larger tanks.

Will these fuel tanks fit my specific WorkStar model year, and what about ProStar or DuraStar compatibility?

Our fuel tanks are designed specifically for International WorkStar models from 2008-2018. While mounting brackets are generally consistent across these years, always check your OEM-specific configuration as some 2016-2018 models have different strap spacing. These tanks are NOT compatible with ProStar or DuraStar models due to different frame rail widths and mounting points. WorkStar 7300, 7400, 7500, and 7600 models all use the same tank mounting system, but verify your exact frame measurements before ordering.

What material options are available, and which is best for my application?

We offer both aluminum and steel fuel tanks for WorkStar trucks. Aluminum tanks (typically 0.125" thick) weigh 40-50% less than steel, resist corrosion better, and are ideal for weight-sensitive applications or coastal environments. Steel tanks (14-gauge) cost about 30% less, handle impact damage better, and are preferred for severe-duty construction or mining applications. Both meet DOT specifications, but aluminum typically lasts 15-20 years versus 10-12 years for steel in normal conditions.

Can I install these fuel tanks myself, or do I need professional installation?

While experienced mechanics can install these tanks in 3-4 hours, we recommend professional installation due to fuel system safety requirements. Installation requires disconnecting fuel lines, electrical connections for sending units, and potentially relocating DEF tanks or exhaust components. You'll need proper lifting equipment as empty 100-gallon tanks weigh 85-140 pounds. Critical steps include ensuring proper grounding, using new fuel line connections, and calibrating the fuel gauge sending unit. Many customers report fitment issues with aftermarket straps, so using OEM mounting hardware is strongly recommended.

Do these replacement tanks include sending units, straps, and other necessary hardware?

Most replacement fuel tanks are sold as tank-only units without sending units, straps, or mounting hardware. You'll typically need to transfer your existing sending unit (check compatibility as pre-2012 units may differ), or purchase a new one separately. Mounting straps are vehicle-specific and usually need to be ordered based on your OEM. Essential additional items include new fuel line fittings, vent lines, and potentially a new filler neck grommet. Budget an extra $200-400 for these components if doing a complete replacement.