It was the most common bus in the past several decades, even it is an icon of London. This bus was delivered to its first operator (Aldenham) in 50 years ago (October, 1963).
Now, it is serving in route No. 9 (9H, H means heritage line), the heritage line from Trafalgar Square to Kingington High Street.
Operator: First Group
Engine: Cummins 6C8
Transmission: Allison Transmission
Capacity: U36 + L28
Body Builder: Park Royal