Demonstrator (demo) buses are one of a kind. They were either
bought by SBS or sent by the manufacturer for evaluation purposes.
Some have gone, some still survive while others were in SIngapore
for a brief period. Here a some that I have recalled and the
services which they used to run on.
Volvo B10BLE (1688K) - 16, 36, 74, 82,
84, 85, 518
Scania L94UB (2888T) - 7, 85, 518
Volvo Super Olympian (9888Y) - 88, 502
Volvo B10M-70 (997A) - 62, 107, 174
Volvo B10MA (998Y) - 18, 290
MB O405G (999U) - 18, 195, 290
Leyland Lynx (3572Y) - 24, 106, 267, 269, now an Employee Bus
MAN 16.240 (81S) - 76, now a training bus
Volvo B10M w Van Hool body (9C) - 9, 111, 118, became a training
bus before withdrawal
MB OF1417 (1617R) - 78, 241, 333
Leyland National 2 (6820L) - 143
Nissan U21S (2452S) - 14, 328
Renault PR100.2 (30P) - 3, 66
Volvo-Ailsa B55 (4741U) - 7, 10, 65
Scania BR112DH (7000E) - 31, 187
Volvo B10MD (4961B) - 7, 111
Leyland Olympian ONTL11/2R (5396B) - 162
MB O305 w Willowbrooke body (5500S) - 165
MB O305 w Alexander body (5541Z) - 111, 134, 166