OK request send WHEEL LOADERS 520B-1 S/N 10001-UP STEERING AND CONTROL SYSTEM Section STEERING AND CONTROL SYSTEM 520B-1 S/N 10001-UP Komatsu: STEERING WHEEL AND GEAR 120010 STEERING LINKAGE 120020 STEERING VALVE (1/2)(#10001-10291) 120030 STEERING VALVE (2/2)(#10001-10291) 120040 STEERING VALVE(#10292-) 120050 STEERING CYLINDER 120060 HYDRAULIC PIPING (RESERVOIR TO VALVE) 120070 HYDRAULIC PIPING (VALVE TO STEERING CYLINDER) 120080 Truck sale: