[1] The second batch appeared in 1957, consisting of eight cars (two pairs of semi-permanently coupled 2-car sets), numbered 1104 to 1107 and 1154 to 1157.

[1] The third batch appeared in 1958, consisting of eight cars (two pairs of semi-permanently coupled 2-car sets), numbered 1108 to 1111 and 1158 to 1161.

[1] The fifth batch appeared in 1960, consisting of a further five driving motor trailer (Mc) cars, numbered 1144 to 1148.

[1] The sixth batch appeared in 1961, consisting of six driving trailer (Tc) cars, numbered 1190 to 1195.

[1] One four-car set was sold to the Nose Electric Railway, classified as 1000 series.