See also P Carriages
and Parcels motors 1 - 5.

Year Type Description Max No. of class
1916 ACPM class 1st class motor cars 43
1916 BCPM class 2nd class motor cars 58
1919 APT class 1st class trailer cars 40
1919 BPT class 2nd class trailer cars 28
1920 ACPD class 1st class driving trailers 6
1921 BCPD class 2nd class driving trailers 5
1921 D class Driving trailers 65
1921 M class Motor / Double ended motor cars 261
1921 T class Trailer cars 235
1923 G class Dual lighting (Gas/Elec) trailers 103
1950 BT class Trailer / Test cars 1