Overhaul your semi with components with Expertise Built In , with the OTR Saddle Mount Aluminum Hydraulic Reservoir that offers extensive hydraulic fluid storage. 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 .