Prepare your semi truck to be Ready for the Road Ahead , with the American Mobile Power 24" x 39" Rear Ported Aluminum Saddlemount Tank that effortlessly hauls extra fluid as needed. With a cylindrical design, this side tank is the ideal option to haul additional fuel for long journeys or specialty jobs. Constructed with high-quality aluminum to withstand even the toughest of conditions. FleetPride is your First Click in Heavy Duty .