Vehicle Batch BUT Number Type Seats (third/second) Lot No. Diagram New 79740 1 2 DMT / DMS 45 30128 500 Taken into stock 1/55 at 1C 79741 1 3 TT / TS 52 30128 500 Taken into stock 1/55 at 1C 79742 1 1 DMBT / DMBS 32 30128 500 Taken into stock 1/55 at 1C 79743 2   DMBT / DMBS 28 30174 506 4 w/e 13/8/55 to 1C 79744 2   DMBT / DMBS 28 30174 506 4 w/e 13/8/55 to 1C 79745 2   DMT / DMS 34 30175 506 4 w/e 13/8/55 to 1C 79746 2   TT / TS 28 30176 506 8/55 to 1C 79747 2   TT / TS 28 30176 506 8/55 to 1C 79748 2   DMS (SO) 34 30214 506 8/57 to 1C 79749 2   TS (SO) 28 30215 506 8/57 to 1C 79750 2   DMBS (BSO) 28 30216 506 8/57 to 1C