A cherry picker (also known as a boom lift, man lift, basket crane or hydraladder), is a type of aerial work platform that consists of a platform or bucket at the end of a hydraulic lifting system.

It is often mounted on the back of a large vehicle such as a truck (in which case it may also be called a bucket truck[1]), it can also be mounted on a flat back pick up van known as a Self Drive[2], or sometimes on a stand-alone trailer or self-moving platform. [...]

(http://en.wikipedia.org/wiki/Bucket_truck)

Der Wikipedia-Artikel bestätigt, dass man sowohl den einen Begriff wie auch den anderen für das selbe Fahrzeug benutzen kann.