Number Type Seating Batch Weight Lot no. Diagram Des. Code
Sc50339-50347 DMBS 52 2nd (2+3) 1 30tons 5cwt 30278 536 DQ201
M50348-50358 DMBS 52 2nd (2+3) 1 30tons 5cwt 30278 536 DQ201
Sc51108-51127 DMBS 52 2nd (2+3) 2 30tons 5cwt 30444 536 DQ201
Sc56094-56102 DTC 12 1st (2+2), 54 2nd (2+3) 1 25tons 30279 537 -
M56103-56113 DTC 12 1st (2+2), 54 2nd (2+3) 1 25tons 30279 537 -
56300-56319 DTC 12 1st (2+2), 54 2nd (2+3) 2 25tons 30445 537 -

Under initial classification 1973, the DTCs became 143s, but were later reclassified as 100s.