Diesel locomotives List of British Rail modern traction locomotive classes

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1 diesel locomotives

1.1 small shunters: under 300 hp
1.2 large shunters: 300–799hp
1.3 type 1 locomotives: 800 - 1000hp
1.4 type 2 locomotives: 1001 - 1499hp
1.5 type 3 locomotives: 1500–1999hp
1.6 type 4 locomotives: 2000–2999hp
1.7 type 5 locomotives: on 3000hp





diesel locomotives

the 1955 diesel locomotive classes given in brackets applicable.


a large number of different shunter types purchased british rail , predecessors, many of withdrawn prior introduction of tops. tables below attempt list different types , different classifications used describe them possible:


small shunters: under 300 hp

shunter classes listed 1955 class, puts tops classes in ascending order, , puts 1948 , 1962 classes in ascending order. unclassed shunters placed @ start of table; tops class 07 has been placed 1962 class in logical place.




relation between tops, 1948, 1955 , 1962 classes, , 1948, 1957 , tops numbers:

large shunters: 300–799hp


relation between tops, 1948, 1955 , 1962 classes, , 1948, 1957 , tops numbers:

type 1 locomotives: 800 - 1000hp


relation between tops, 1948, 1955 , 1962 classes, , 1948, 1957 , tops numbers (unless otherwise given):

type 2 locomotives: 1001 - 1499hp

locomotive class listed tops class. locomotives tops classes 24 , 26 have original sub-classes shown, each wholly comprised locomotives distinct 1962 class. class 21 (ii) has sub-classes shown these superficially similar mechanically different types grouped single class.




relation between tops, 1948, 1955 , 1962 classes, , 1948, 1957 , tops numbers (unless otherwise given):

type 3 locomotives: 1500–1999hp


relation between tops, 1955 , 1962 classes, , pre-tops , tops numbers (unless otherwise given):

type 4 locomotives: 2000–2999hp

type 5 locomotives: on 3000hp







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