  the british rail class 937 was reserved for former ac electrical multiple units, converted for departmental use. units were converted for various tasks, including application of sandite, and use as tractor units to tow other trains. {| class="wikitable" !key: |in service |style="background-color:#ffc0cb"|withdrawn |style="background-color:#87cefa"|preserved |style="background-color:#cecece"|scrapped |- |} {| class="wikitable" !colspan=2|unit no. !rowspan=2|converted !rowspan=2 align=left|use !rowspan=2|former class !rowspan=2 align=left|final livery !colspan=3|original formation !rowspan=2|wdn. !rowspan=2 align=left|status |- !current !original !width=45|dt !width=45|m !width=45|dt |- |style="background-color:#cecece" align=center|937990 |style="background-color:#cecece" align=center|308151 |style="background-color:#cecece"|? |style="background-color:#cecece"|sandite unit |style="background-color:#cecece" align=center|308 |style="background-color:#cecece"|nse |style="background-color:#cecece" align=center|977876 ex.75905 |style="background-color:#cecece" align=center|977877 ex.61901 |style="background-color:#cecece" align=center|977878 ex.75938 |style="background-color:#cecece" align=center|2001 |style="background-color:#cecece"|scrapped (2002) |- |style="background-color:#cecece" align=center|937991 |style="background-color:#cecece" align=center|308146 |style="background-color:#cecece"|? |style="background-color:#cecece"|sandite unit |style="background-color:#cecece" align=center|308 |style="background-color:#cecece"|nse |style="background-color:#cecece" align=center|977926 ex.75900 |style="background-color:#cecece" align=center|977927 ex.61896 |style="background-color:#cecece" align=center|977928 ex.75933 |style="background-color:#cecece" align=center|2001 |style="background-color:#cecece"|scrapped (2002) |- |style="background-color:#cecece" align=center|937996 |style="background-color:#cecece" align=center|302996 |style="background-color:#cecece"|? |style="background-color:#cecece"|sandite/tractor unit |style="background-color:#cecece" align=center|302 |style="background-color:#cecece"|nse |style="background-color:#cecece" align=center|977598 ex.75080 |style=
British_Rail_Departmental_Units British_Rail_electric_multiple_units