Type  Body  Seating (all 2nd class)   Weight   Lot no. Diagram 51591-51650  DMBS  64ft x 9ft 3in 78/76 seats 40 tons 30521 BR 528 59589-59618 TSL 63ft 10in x 9ft 3in 90 seats 30 tons 30522 BR 589 59619-59648 TS 63ft 8 ¾ in x 9ft 3in 106 seats 29 tons 30523 BR 590