This comprehensive service and repair manual provides detailed instructions and technical specifications for the New Holland LS140 and LS150 skid steer loaders. It covers a wide range of topics, including: * **Engine Systems:** Detailed information on engine types, operation, maintenance, troubleshooting, and repair procedures. * **Hydraulic Systems:** Thorough explanations of hydraulic components, circuits, troubleshooting, and repair procedures for the loader's hydraulic system. * **Transmission & Drivetrain:** Guidance on the transmission, drivetrain components, diagnostics, and repair procedures. * **Electrical Systems:** Comprehensive coverage of electrical systems, wiring diagrams, troubleshooting, and repair of electrical components. * **Brakes & Steering:** Detailed descriptions of brake systems, steering components, diagnostics, and repair procedures for both systems. * **Operator's Manual:** Information on safe operation, controls, and basic maintenance procedures for the operator. * **Parts Catalog:** A complete listing of parts with illustrations, descriptions, and part numbers for easy identification and ordering. * **Troubleshooting Guides:** Detailed troubleshooting charts and procedures to help diagnose and resolve common issues. * **Safety Information:** Essential safety precautions and guidelines to ensure safe operation and maintenance of the skid steer loader. This manual is an essential resource for mechanics, technicians, and owners looking to maintain, service, or repair their New Holland LS140 and LS150 skid steer loaders.