In 1924 a number of the existing locos were reclassified as Z classes: Z11 Z14 Z15 Z16 Z17
Z11 (M40) 4-4-2T
15 built 1891 Beyer, Peacock and Company
NSWGR M-40 Class (later Z11) 4-4-2T, No. 49, suburban tank locomotive at Hamilton
livinghistories.newcastle.edu.au/nodes/view/3513
![](https://pbs.twimg.com/media/EXxm-fFUcAEH4l3.png)
livinghistories.newcastle.edu.au/nodes/view/883…
Intended for use on the steeply-graded Strathfield-Hornsby & Milson's Point-Hornsby sections, later used on Newcastle suburban services.
![](https://pbs.twimg.com/media/EXxnjsUVAAEcILZ.png)
Nepean Sand & Gravel Co, Z11 Class (ex-NSWGR M-40), gravel bins, North Richmond Depot, [1950s]
livinghistories.newcastle.edu.au/nodes/view/4318
![](https://pbs.twimg.com/media/EXxodH7UEAAogKx.jpg)
9 built
(C)onverted (G)-Class 1903
NSWGR, CG(23) Class, no. 406, Eveleigh Workshops, NSW, [1920]
livinghistories.newcastle.edu.au/nodes/view/303…
![](https://pbs.twimg.com/media/EXxq1t9UwAMNY_h.png)
livinghistories.newcastle.edu.au/nodes/view/3498
![](https://pbs.twimg.com/media/EXxr7NnUcAIWS7w.jpg)
6 built 1882 Beyer, Peacock and Company
NSWGR D-255 Class No. 260 (later renumbered Z15 Class No. 1506) 4-4-0 Type "High Flyer" express passenger locomotive at Eveleigh, Sydney, [1880s]
livinghistories.newcastle.edu.au/nodes/view/7793
"Peacock High Flyer" could reach 70 mph ...
![](https://pbs.twimg.com/media/EXxtCw5VAAAz7F5.png)
livinghistories.newcastle.edu.au/nodes/view/888…
All scrapped.
![](https://pbs.twimg.com/media/EXxtj60U4AAX2TC.jpg)
24 built 1883 Dubs and Company (Beyer design)
NSWGR D-261 Class No. 267 (later renumbered Z16 Class No. 1609) 4-4-0 Type express passenger locomotive, commonly known as "High Flyers" at Enfield Locomotive Depot, [1920].
livinghistories.newcastle.edu.au/nodes/view/8104
![](https://pbs.twimg.com/media/EXxu-7HUcAENzq6.png)
livinghistories.newcastle.edu.au/nodes/view/8103
![](https://pbs.twimg.com/media/EXxvt0BVcAAedDZ.png)
12 built 1886 Vulcan Foundry
NSWGR H373 class (later Z17) no. 380, unidentified location, 1905-1924
livinghistories.newcastle.edu.au/nodes/view/888…
![](https://pbs.twimg.com/media/EXxwnwTU0AAR3Vi.jpg)
NSWGR Z17 Class No. 1703 4-4-0 Type Express Passenger Locomotive hauling ARHS Special at Bomaderry, [1953]
livinghistories.newcastle.edu.au/nodes/view/3687
![](https://pbs.twimg.com/media/EXx08fJUwAAn7RQ.jpg)