Unit 1203  

The reason why these units were called 'Tadpoles' can be seen in this image with the conventional size EMU vehicle leading and the two narrow Hastings units at the rear,

it was said it resembled a fat body with a long narrow tail.

Image by Tonys Trainz & Buses

Unit 1203          formed            disbanded           

                        01/65                  05/79

                        Vehicle            previous unit            reformed into

 DMBSO           60004                        1003                        1003

 TSOL               60505                        1002                        1002

DTS                  77507                        5708                        1403