OK request send DUMP TRUCKS HD255-5EO S/N 1001-UP SERVICE KIT AND COMPONENT PARTS Section SERVICE KIT AND COMPONENT PARTS HD255-5EO S/N 1001-UP Komatsu: HOIST VALVE (1/3) 510010 HOIST VALVE (2/3) 510020 HOIST VALVE (3/3) 510030 DEMAND VALVE (1/2) 510040 DEMAND VALVE (2/2) 510050 Truck sale: