They were later renumbered 7967-7999 in the same order to make way for the new Black 5's .
They became known as the "pairs" coaches and were later renumbered into the F50-75 series, see below.
The R10 cars were numbered 1803-1852 (later renumbered 2950-2999 in 1970) and 3000-3349.
Their first twelve were initially numbered from 1001 to 1012 and later renumbered to 141.
The 800-series Renaults in the second batch were later renumbered 748-756.
Some of the trunk routes were later renumbered due to change in transit policy.
The prototype, originally numbered 97 but later renumbered 2800, appeared in 1903.
Many of these engines were later renumbered, frequently into the "duplicate" series above 600.
The Act originally had eleven sections, which were later renumbered one to fourteen.
The first refurbished unit was no. 7153, which was later renumbered to 1500.