This workshop manual pertains to the STILL WAGNER DUAL15-4, an electric-powered material handling vehicle. Engineered for efficiency and reliability, this model is designed for demanding operational environments. Its electric drive system ensures quiet and emission-free operation, making it suitable for various industrial and commercial applications. Key features include advanced electric pallet jack controls and integrated safety systems such as an emergency stop, horn, and operator presence system, all contributing to its robust performance and operational integrity. The purpose of this comprehensive English-language workshop manual is to provide detailed guidance for the maintenance, repair, and technical understanding of the STILL WAGNER DUAL15-4. It covers essential areas including routine servicing schedules, diagnostic procedures, technical specifications, and safety protocols. By offering in-depth information, this manual serves as an indispensable resource for owners, technicians, and mechanics, enabling them to effectively maintain the vehicle's optimal performance and longevity.