Is a crane that is mounted on top of a tracked vehicle. They all feature large counterweights set on the back of the crane that allows them to lift and move very heavy loads without tipping over. Their lifting capacity ranges from 30 to 3000 tons.
The Checker cab is gone from the streets of New York but during its time it was the iconoclastic image of a New York City cab. It was big and roomy with checkered stripes on the sides.