The world's biggest wheeled loader digs a copper mine out of peril, an assault transport carries troops across any terrain and when it runs out of land it goes straight into the water, and the largest mining machine keeps a country running.

A world-class dredger has 4-hours to cut through hard volcanic rock to avoid a multi-million dollar traffic jam, a demolition rig wreaks destruction until threatened by a force stronger than itself, and a battle-proven chopper is put to the test.