... selling 14 inch Dredger Made in China 1. Advanced PLC system 2. Reliable hydraulic system 3. Reasonable stucture 15 ... 450mm, two pieces, Length-18m18meters/pieceHydraulic Winch3 piecesOperation System PLC Control System and Hydraulic system (the most advanced now ... ,German electronic electronic component , OMRON )Spare PartDiesel engine tools,oliseal,eletricwelder and so on, ...