Product Details: Equip your truck with extensive hydraulic fluid storage, with the OTR Upright Mount Aluminum Hydraulic Reservoir with Expertise Built In™. Due to its sophisticated design, this replacement tank is able to effortlessly retain the fluid needed for the hydraulic system, while simultaneously dissipating heat and pumping out air. Constructed with tight seals to dramatically reduce air leakage while offering reliable suspension. FleetPride is your First Click in Heavy Duty®.