This document contains the complete electric and hydraulic schematic diagrams for the BW 124 PDH-40 Single Drum Vibratory Roller. It covers all components, connections, and circuit layouts, making it an essential reference for troubleshooting, maintenance, and repair tasks. Detailed diagrams are included for serial numbers 901581581003 – 901581589999, ensuring accurate information for this specific model. Perfect for technicians, engineers, and equipment specialists seeking precise electrical and hydraulic system insights.