This service manual covers the LIEBHERR L544-L580 2PLUS2 series of wheel loaders. Designed for demanding operational environments, these machines are engineered for robust performance and reliability in construction and material handling applications. The L 544, L 554, L 564, L 574, and L 580 models, identified by construction numbers ranging from 443 to 458, represent a commitment to durable engineering and efficient operation. This comprehensive manual provides essential information for the maintenance, repair, and servicing of your LIEBHERR wheel loader. It details technical specifications, diagnostic procedures, troubleshooting guides, and routine maintenance schedules. By following the instructions within this manual, operators and technicians can ensure optimal performance, longevity, and safety of the L544-L580 2PLUS2 series machines.