This Service Repair Workshop Manual provides comprehensive information for the Yanmar B7-3 (US) Excavator. Engineered for reliability and performance, this excavator is designed to meet the demanding requirements of various construction and industrial applications. Its robust construction and advanced features ensure efficient operation and durability in challenging environments. This manual serves as an essential resource for maintaining and repairing the Yanmar B7-3 (US) Excavator. It covers detailed procedures for periodic inspection and servicing, fuel and lubricant recommendations, and troubleshooting common issues. Included are sections on the engine, hydraulic system, adjustment and repair, technical data, service standards, and general safety precautions for maintenance work, ensuring that owners, mechanics, and technicians have the knowledge to keep the equipment in optimal condition.