OK request send EXCAVATORS PC400LC-6LK/HD-6LK S/N A83001-A84000 HYDRAULIC SYSTEM FIG NO. H0120-53A0 MAIN VALVE (3/12) Section FIG NO. H0120-53A0 MAIN VALVE (3/12) PC400LC-6LK/HD-6LK S/N A83001-A84000 Komatsu: Truck sale: