High-quality proportional solenoid valve for Kobelco SK200-6 excavator series. Part YN35V00004F1 (KDRDE5K-20/30C12A-111) with 24V operation. Delivers precision variable hydraulic flow control for implement modulation, swing motor regulation, and travel functions, significantly improving excavator performance, fuel efficiency, and smooth responsive operation across all working conditions, digging applications, and heavy-duty construction tasks.