The Intercity 125 operates at a speed of 125 mph in regular service, and has an maximum speed of 148 mph making it the fastest diesel-powered train in the world, a record it has held from introduction to this present day.
The British Rail Class 43 is the world's fastest diesel train with a speed of 148 mph.
The company that manufactures Class 43, also known as Intercity 125, is BREL Crewe Works.
The Class 58s were a British Diesel train (locomotive) built in the 1980s. There were also the class 59s but they were built overseas by GM.
125mph, hence why the class was also called the intercity 125
The British Rail Class 60 is a class of Co-Co heavy freight diesel-electric locomotives built by Brush Traction
The British Rail Class 37 is a diesel electric locomotive train. There were 309 produced during the years 1960-1965. They were known by the nickname Tractors by railway enthusiasts.
The top speed of the British Rail Class 395Javelin is limited to 125mph, but with the limiter off they can hit 135-140mph. This makes them the second fastest train in the British Isles, after the Class 390 Pendolino.
The British Rail Class 20 is a diesel locomotive that was built by English Electric. Between 1957 and 1968, they built 228 locomotives in this class. It is also known as the English Electric Type 1.
The top speed of the British Rail Class 390Pendolino is limited to 125mph, but with the limiter off they have reportedly hit as high as 150-160mph, making them the fastest trains in the British Isles.
It is a British diesel-electric locomotive railway that Brush Traction developed in the 1960s. Crewe Works and Brush's Falcon Works built a total of 512 Class 47 models from 1962 to 1968.
WAGR H class - diesel - was created in 1965.
WAGR L class - diesel - was created in 1967.