They were followed by two further batches (1224-1233 and 1352-1371) between July and September.
All five vehicles were sold by December 1981, and a further batch of ten was prepared starting in August.
September also saw two further batches of new trains arrive.
A further batch of brand new Metrobuses were envisaged for this.
A further batch was planned but never happened.
A further small batch of 10 guns was produced in 1940, bringing the total to 140.
In 1952 a further batch of 56 buses was purchased which had minor differences.
Within a short time a further batch was modified to the new specification: 86040-86048 were renumbered 86253-86261.
As a result, no further batches were ordered.
A further batch of ten was built by Neilson in 1864.