class                         type   introduced  fleet size                                              numbers
0              class 08                      shunter         1953           2                                        08925 , 08934
1              class 09                      shunter         1959           2                                        09002 , 09009
2              class 20            diesel locomotive  1957 - 1968           9  20096 , 107 , 142 , 189 , 227 311 , 314 , 901 , 905
3              class 66            diesel locomotive         2002          48                              66701 - 733 , 735 - 751
4              class 73  electro - diesel locomotive         1966          10                  73119 , 141 , 204 - 209 , 212 - 213
5              class 92          electric locomotive         1993           7                  92020 , 021 , 032 , 040 , 044 - 046
6  vanguard 0 - 6 - 0dh            diesel locomotive         2011           2                                  dh50 - 1 , dh50 - 2

Table as JSON:
{"class":{"0":"class 08","1":"class 09","2":"class 20","3":"class 66","4":"class 73","5":"class 92","6":"vanguard 0 - 6 - 0dh"},"type":{"0":"shunter","1":"shunter","2":"diesel locomotive","3":"diesel locomotive","4":"electro - diesel locomotive","5":"electric locomotive","6":"diesel locomotive"},"introduced":{"0":"1953","1":"1959","2":"1957 - 1968","3":"2002","4":"1966","5":"1993","6":"2011"},"fleet size":{"0":2,"1":2,"2":9,"3":48,"4":10,"5":7,"6":2},"numbers":{"0":"08925 , 08934","1":"09002 , 09009","2":"20096 , 107 , 142 , 189 , 227 311 , 314 , 901 , 905","3":"66701 - 733 , 735 - 751","4":"73119 , 141 , 204 - 209 , 212 - 213","5":"92020 , 021 , 032 , 040 , 044 - 046","6":"dh50 - 1 , dh50 - 2"}}