This Parts Catalog covers the Thomas T-153 / T-135 S Series Skid Steer Loaders, designed for demanding applications in construction and material handling. These machines are engineered for robust performance and reliability, offering efficient operation for various industrial tasks. The catalog details components for serial numbers LN000101-LN001999 and LE008500-LE008749, ensuring precise part identification for maintenance and repair. This comprehensive English-language manual provides detailed exploded diagrams and step-by-step instructions for complete disassembly and reassembly. It covers critical systems including the main frame, controls, transmission, hydraulic and hydrostatic drive systems, electrical components, engine equipment, and optional attachments. This resource is invaluable for do-it-yourself owners and experienced mechanics alike, ensuring the longevity and optimal performance of your Thomas skid steer loader.