This Operation & Maintenance Manual covers Bobcat 642B, 742B, and 743B Skid Steer Loaders equipped with hand controls. These versatile machines are engineered for demanding tasks, offering robust performance and reliability. Their compact design and efficient operation make them suitable for a wide range of applications in construction, landscaping, and agriculture. The manual details the engineering quality and unique operational characteristics designed to ensure effective and economical use. The purpose of this manual is to provide comprehensive guidance for the safe and efficient operation, maintenance, and troubleshooting of your Bobcat skid steer loader. It includes detailed information on foreword, safety instructions, operating procedures, preventive maintenance schedules focusing on lubrication, checking, and adjustment, as well as troubleshooting common issues. Technical specifications and decal information are also provided. This resource is essential for owners, mechanics, and technicians to maintain peak performance and ensure the longevity of the equipment.