This manual covers the Thomas T-243HD S Series, also identified as the T-243 HD, within the serial number range LM000101-LM000899. Engineered for demanding applications, this model features a robust construction and a hydrostatic drive system, ensuring reliable performance in various operational environments. Its design prioritizes durability and efficiency, making it a dependable choice for heavy-duty tasks. This comprehensive Parts Manual provides detailed service and repair information in English. It includes high-quality diagrams and detailed instructions covering the engine, hydrostatic drive system, final drive transmission, controls, hydraulic system, electrical system, main frame, and optional equipment. The manual is printable and features a numerical index to facilitate easy navigation and quick access to the information required for maintenance and repair.