This document provides detailed technical information for JCB 405, 605, and 606 Vibromax single drum rollers. It includes step-by-step service and repair procedures, system specifications, troubleshooting details, and maintenance data to support proper equipment operation. Coverage includes engine, hydraulics, electrical systems, transmission, braking components, vibration system, and safety instructions. Reference number SM85005 is included for accurate identification. Ideal for technicians, workshops, and equipment owners working with JCB Vibromax single drum rollers.