Class	Max No. of class	Currently
1939 - SW5 Class (Trams)	?	0
1939 - SW6 Class (Trams)	?	0
1951 - W6 Class (Trams)	?	0
1955 - W7 Class (Trams)	?	0
1975 - Z / Z1 Class (Trams)	59	0
1979 - Z2 Class (Trams)	8	0
1979 - Z3 Class (Trams)	114	100
1984 - A / A1 Class (Trams)	28	27
1984 - B / B1 Class (Trams)	2	0
1985 - A2 Class (Trams)	42	42
1987 - B2 Class (Trams)	130	130
2001 - C Class (Trams)	36	36
2002 - D1 Class (Trams)	38	38
2003 - D2 Class (Trams)	21	21
2008 - C2 Class (Trams)	5	5
2013 - E Class (Trams)	50	50
2013 - W8 Class (Trams)	12	12
2017 - E2 Class (Trams)	50	50