However with more powerful locomotives coming into use, the work was only partly carried out.
Most of them continued to work there even after more powerful locomotives were placed in service.
A simple type of very powerful locomotive would be created.
This practice ceased about 1900 when more powerful locomotives were introduced.
Within each block, the least powerful locomotives took the lowest numbers.
At the time it was the most powerful locomotive in the country.
It was advertised as the "most powerful locomotive in the world".
The result was a smooth running, powerful locomotive that would rival any model on the market.
At the time they were the most powerful locomotives built.
The X class was the most powerful locomotive at the time.