This Service Repair Workshop Manual covers Thomas Skid Steer Loaders, specifically models T225, T243 HDS, T245 HDS, and T245 HDK Protough 2200. Designed for heavy equipment applications in construction, material handling, and site maintenance, these machines are engineered for robust performance and reliability. The manual provides comprehensive information to ensure these vehicles operate at their peak efficiency and longevity. This manual serves as an essential resource for owners and mechanics, offering detailed step-by-step instructions for maintenance and repair, based on complete disassembly where applicable. It covers critical systems including the Hydraulic System, Hydrostatic Drive System, Final Drive, Controls, Electrical, Main Frame, and Engine. With highly detailed exploded pictures, top-quality diagrams, and essential specifications, this English language manual empowers users to effectively maintain and repair their Thomas Skid Steer Loaders.