British Rail Class 43 (HST)
The British Rail Class 43 (HST) is the TOPS classification used for the InterCity 125 High Speed Train diesel-electric power cars, built by British Rail Engineering Limited from 1975 to 1982, and in service in the UK since 1976.
Power car 43002 Sir Kenneth Grange in May 2016
Prototype power car 41001 (left) with first production power car 43002
The driver's cab and controls aboard a Class 43 power car
43468 departs London King's Cross in 2011
Total Operations Processing System (TOPS) is a computer system for managing railway locomotives and rolling stock, known for many years of use in the United Kingdom.
An example of converted 1938 Tube Stock on the Island Line, Isle of Wight. Under TOPS, this train and other examples of the same type are designated as British Rail Class 483.
Brush Type 2 locomotives became Class 31 under TOPS. This is the data panel from a Class 31/4; the 31/4 subclass being used for locomotives with Electric Train Heating.