950C - DOZER, CRAWLER 2160 VEHICLES HYDRAULICS Parts group 2160 VEHICLES HYDRAULICS 2160 VEHICLES HYDRAULICS . MAIN HYDRAULIC PUMP MAIN HYDRAULIC PUMP DRIVE SHAFT, SWASH BLOCK AND PISTONS MAIN HYDRAULIC CONTROL VALVE MAIN HYDRAULIC CONTROL VALVE FITTINGS HYDRAULIC OIL RESERVOIR AND HYDRAULIC OIL RETURN FILTER HYDRAULIC OIL RESERVOIR SHUTOFF VALVES AND FITTINGS HYDRAULIC SYSTEM ACCUMULATOR