BULLDOZERS DRT037-1B-E S/N 3001-UP (D37E/A-5) HYDRAULIC SYSTEM Section HYDRAULIC SYSTEM DRT037-1B-E S/N 3001-UP (D37E/A-5) Komatsu: HYDRAULIC TANK AND FILTER (FOR RIPPER) 030010 HYDRAULIC PIPING (TANK TO PUMP TO VALVE) (FOR RIPPER)(#3001-3730) 030020 HYDRAULIC PIPING (RIPPER CYLINDER LINE) (CHASSIS SIDE) 030030 Truck sale: