Prior to 1924 there was a very wide range of locomotives which were grouped as X10 when the new classification was done.
A complete list is here > en.wikipedia.org/wiki/NSWGR_ste…
F351 X1033 locomotive is an example
records.nsw.gov.au/image/17420_a0…
records.nsw.gov.au/image/17420_a0…
18 F351 built 1884-87
Beyer, Peacock and Company (12)
Henry Vale (6)
See en.wikipedia.org/wiki/New_South…
NSWGR, N-67 class steam crane locomotive, Hamilton, [1900]
livinghistories.newcastle.edu.au/nodes/view/307…
Locomotive No. 1 0-4-2 hauled the first passenger train in NSW on 24 May 1855.
DeliveredJan 1855 built by Robert Stephenson and Company.
en.wikipedia.org/wiki/Locomotiv…