Hydraulic Powered Rock Picker as a simple, economical approach to continuous picking machines for stones, rocks and boulders. The simple design and straight forward picking action results in a highly reliable machine with minimum maintenance and excellent performance for years to come. Ideal for strip mines, reclamation, concrete debris, demolition and more. Economical machine for continuous picking of stones, rocks, windrows and boulders. Reduces downtime and damage to tillage and harvesting equipment. Efficient valve and remote switch box hydraulic system. Operator controls all functions without leaving the tractor