OK request send BULLDOZERS DNH031-3K-E S/N 42001-UP (D31E-20) HYDRAULIC SYSTEM Section HYDRAULIC SYSTEM DNH031-3K-E S/N 42001-UP (D31E-20) Komatsu: HYDRAULIC TANK AND FILTER (FOR 3-POINT HITCH OR RIPPER) 030010 HYDRAULIC PIPING (TANK TO PUMP TO VALVE) (FOR 3-POINT HITCH OR RIPPER)(#42001-42722) 030020 HYDRAULIC PIPING (3-POINT HITCH OR RIPPER CYLINDER LINE) (CHASSIS SIDE) 030030 Truck sale: