This workshop service repair manual provides comprehensive information for Terex Schaeff SKS 633 and SKS 634 models. These vehicles are engineered for demanding applications, built with a focus on robust construction and reliable performance. The manual is designed to assist users in understanding and maintaining these machines, ensuring their continued operational efficiency. This extensive English-language manual covers a wide range of essential topics, including general information, technical data, diesel engine specifics, hydraulic systems, electrical systems, and operational procedures. It offers detailed repair instructions, maintenance schedules, troubleshooting guides, and setting instructions, all supported by detailed illustrations and wiring diagrams. This resource is invaluable for both do-it-yourself owners and experienced mechanics seeking to preserve the integrity and functionality of their Terex Schaeff equipment.