The AX30U-4, AX35U-4, AX40U-4, and AX50U-4 are versatile compact excavators engineered for demanding tasks in construction, digging, and material handling. Designed with robust construction and reliable diesel engines, these U-4 Series mini excavators deliver efficient performance and durability for a wide range of professional applications. Their compact size and advanced engineering make them a valuable asset on any job site requiring precision and power. This English-language Instruction Manual provides comprehensive guidance for the safe and effective operation and maintenance of your compact excavator. It covers essential topics including safety procedures, basic operation, and fundamental maintenance practices. This manual is an indispensable resource for owners and technicians seeking to ensure the longevity and optimal performance of their equipment through proper care and upkeep.