Yale Narrow Aisle Lift Trucks have the ergonomic comfort and the specifications you need. Yale designs and builds narrow aisle trucks that are industry and application specific. Yale drive motors are application proven for efficiency, performance, and reliability. Yale Hi-Vis masts incorporate innovative engineering for unsurpassed visibility and solid construction. All Yale straddle and reach trucks use the Yale Electronics System (Y.E.S.). This microprocessor based control board interfaces with all truck systems offering programmability for specific applications, real-time truck status and full diagnostic capabilities. In addition, the MOSFET transistor drive controller provides for cooler operation, high efficiency and smooth drive and transition.