But the engine had no power to stop the heavy train.

A class V2 2-6-2 pulls away with a heavy down train, probably diverted from the main line.

Their final years of service saw them hauling heavier trains than ever.

But the momentum of a heavy train makes it impossible to stop immediately.

Ten minutes to twelve, and a long heavy train on platform one!

It was also the heaviest recorded train at 42,000 tons.

They were used to start a heavy train or maintain low speed under demanding conditions.

Although successful, they were not powerful enough for the railroad's increasingly heavy trains.

They were built to supersede the 120 class on the heavier and more important trains.

It has the longest and heaviest trains in the world.