Remarks: Then the oldest operating puffer billy down-under, QR A10 number 6 built by Neilson and Co, Glasgow performs for the Kuranda railway centenary. 16 of these diminuitive things were imported for the QR in 1865-1866. Number 6 served with the Bingera sugar mill from 1895 to 1965 and was then given back to the QR to be preserved for heritage operatin.