A hydraulic lift system used on the back of large vehicles and trucks. The system uses a bucket that a worker stands in to be moved up in the air. While used in orchards to allow workers to pick fruit higher up in the trees, a cherry picker is also used on telephone, cable, and other utility service vehicles. It is a common piece of equipment for an ISP. A cherry picker hydraulic system, when mounted onto a truck or large service vehicle is often called a bucket truck.