The Thomas 135TA, 137, and 153 Skid Steer Loaders are engineered for a wide range of operational tasks, including digging, leveling, backfilling, lifting, and auxiliary hydraulic operations. These machines are built with a focus on reliability and performance, making them a dependable choice for demanding work environments. Their robust design ensures they can handle various challenges, providing efficient and effective operation for diverse applications. This manual serves as a comprehensive guide for the operation, maintenance, service, and repair of your Thomas Skid Steer Loader. It covers essential areas such as daily and scheduled maintenance checks, system maintenance for the engine, hydraulics, and electrical systems, as well as detailed troubleshooting procedures. Included are technical specifications, information on attachments, safety guidelines, and instructions for securing and transporting the equipment. This resource is designed to assist owners and technicians in keeping the equipment in optimal working condition.