New South Wales M36 class locomotive

4 ft 8+1⁄2 in (1,435 mm) standard gaugeDriver dia.5 ft 6 in (1,676 mm)Loco weight52 long tons
(53 tonnes; 58 short tons)Fuel typeCoalFirebox:​ • Grate area15 sq ft (1.4 m²)Cylinders2Cylinder size16 in × 24 in (406 mm × 610 mm)

Performance figures
Tractive effort	9,700 lbf (43.1 kN)

Career
Operators	New South Wales Government Railways
Delivered	1870-1871, 1876-1877
Preserved	78
Scrapped	1891-1904
Disposition	1 preserved, 7 scrapped.

The M36 class (X10 class post 1924) was a class of steam locomotives built for the New South Wales Government Railways in Australia.

In the late 1860s, four more of the 1 class where manufactured by Mort's Dock Sydney in 1870-71. Another four locomotives of the M.36 class were manufactured at Eveleigh Railway Workshops in 1876-77 using re-built tenders from Locomotive No.1-4. Two of the class later had cab shelters fitted to the tenders for suburban running.

All engines of the class were scrapped in the period 1891-1904 with the exception of No. 78

Preserved M36 class locomotives

No.	Description	Manufacturer	Year	Current organisation	Location	Status
78 [1]	0-4-2 mixed traffic	Eveleigh Railway Workshops	1877	Transport Heritage NSW	Thirlmere	static exhibit[2]

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