The Freightliner M2 90 Gallon 18 Inch By 18 - 1/2 Inch By 64 Inch Square Fuel Tank is a high-quality aluminum tank designed for practicality and durability. With a capacity of 90 gallons and a square shape, this rear fill tank is available for both driver and passenger sides, fitting most Freightliner M2 models. Its large capacity and sturdy construction make it a reliable choice for long-haul trucking, providing ample fuel storage without sacrificing space or quality.