This workshop service repair manual covers Briggs & Stratton 405777 & 445777 engines. These engines feature a Twin Cylinder OHV configuration, designed for reliable performance. While specific production years are not detailed, the engineering quality of Briggs & Stratton products is recognized for durability and efficiency in various applications. This comprehensive English-language manual provides all service and repair procedures from A-Z. It includes detailed, step-by-step instructions with accompanying pictures to ensure ease of use for owners, mechanics, and technicians. Key areas covered include routine maintenance, fluid specifications, filter replacement, and all other aspects necessary for the proper upkeep and repair of these Briggs & Stratton engines. The manual is printable and guaranteed to meet your service needs.