This manual covers Bobcat Skid Steer Loader models 440, 443, and 443B. These versatile machines are engineered for demanding work environments, featuring robust construction and reliable diesel engines that typically range from 1.5L to 3.1L, producing between 30-45 horsepower. Their hydrostatic transmission offers two forward and two reverse speeds, enabling efficient operation in various tasks. Designed with vertical lift capabilities and equipped with ROPS and FOPS for operator safety, these skid steer loaders are built for durability and performance in construction, landscaping, and material handling applications. The purpose of this comprehensive manual is to provide detailed technical information for the maintenance and repair of your Bobcat Skid Steer Loader. It includes essential data on mechanical and technical specifications, introductory mechanics, and system components, such as hydraulic system pressure and pump flow. Procedures for assembly, disassembly, cleaning, and repair are thoroughly explained, supported by diagrams. Routine maintenance schedules, fluid capacities, and troubleshooting guidance are also covered, empowering owners, mechanics, and technicians to ensure the longevity and optimal performance of the equipment.