Mean Machines

An F1 powerboat; a US Navy aircraft carrier; tugboats with an extra engine that allows them to pull any ship in any direction; a ship that rises up on stilts to erect windmills in the North Sea; mine-hunting ships that make the seas safe.

Included: the world's largest tunneller burrows through the Alps; remotely guided micro-tunnellers use lasers to dig drains; road headers and rocket boomers create roadways in difficult places.

The most innovative trains, from early steam engines to the Unimog 400 shunter, which can shift up to 1,000 tonnes. Plus, the technology behind magnetic levitation, which was developed in Germany in the 1970s and allows trains to 'fly' on the ground at speeds of up to 500kph.

A look at some of the most effective transporters ever built, from the Nasa crawler that moves space shuttles, to a tiny remote-controlled machine used to fix leaks in sewers.

An insight into the largest and fastest trucks, including the Cobra 2, a rapid-response fire and rescue engine designed to tackle aircraft crashes after take-off or landing. Plus, a look at the largest truck in the world, designed for open-pit mining, and the Buffalo military personnel carrier.

The evolution and development of submarines, from the German VIIC U-boat that saw service in World War Two to the Royal Navy's HMS Turbulent, the latest in billion-pound nuclear-powered killing machines which can stay submerged for up to 90 days. Plus, the Flying Dolphin - a vessel built purely for fun

Timber-harvesting technology. Included: helicopters that can remove specific trees; clam bunk skidders; timberjacks.

Modern construction and earth-moving equipment is examined.

Cranes are featured. Included: a floating crane; a foundry crane; tower cranes.

Amphibious vehicles. Included: a sports car that is also a speedboat and various types of hovercraft.