NZR S class

Type and origin
Power type	Steam
Builder	Avonside Engine Co., England
Build date	1880-1881

Specifications
Configuration	0-6-4T
Gauge	3 ft 6 in (1,067 mm)
Driver dia.	36.5 in (0.927 m)
Adhesive weight	23 long tons (23 t; 26 short tons)
Loco weight	37.5 long tons (38.1 t; 42.0 short tons)
Firebox: • Firegrate area	14 sq ft (1.3 m²)
Boiler pressure	160 psi (1,103 kPa)
Heating surface	664 sq ft (61.7 m²)
Cylinders	Two, outside
Cylinder size	13 in × 16 in (330 mm × 406 mm)

Performance figures
Tractive effort	9,480 lbf (42.17 kN)

Career
Operators	New Zealand Railways Department
Number in class	7

The NZR S class was a class of seven 0-6-4T single Fairlie steam locomotives used in New Zealand.

The locomotives were ordered by the New Zealand Railways Department (NZR) in 1880, and delivered from the Avonside engine works in 1881–1882. They were considerably larger than the earlier R class, and all saw service in the Wanganui district, with its abundance of sharp curves and grades. These two classes of Single Fairlies were considerably more popular with the engine crews than their older Double Fairlie counterparts, which often suffered frame breakages whilst operating in the Wanganui district.

In the 1880s despite complaining of a lack of motive power, the residing chief mechanical engineer T.F.Rotheram arranged the shipment of three of this class to the Western Australian Government Railways.

S class roster

Road number	Builders number	In service	Written off	Comments
NZR S class steam locomotives
212	1279/1880	000000001882-04-13-000013 Apr 1882	000000001927-03-01-0000Mar 1927
213	1280/1880	000000001882-07-17-000017 Jul 1882	000000001927-03-01-0000Mar 1927
214	1284/1880	000000001883-07-20-000020 Jul 1883	000000001922-03-01-0000Mar 1922
215	1283/1880	000000001885-02-18-000018 Feb 1885	000000001891-08-01-0000Aug 1891	Sold to WAGR. In service as I 25 1891-1900.
216	1285/1880	000000001885-02-25-000025 Feb 1885	000000001891-08-01-0000Aug 1891	Sold to WAGR. In service as I 26 1891-1900.
217	1281/1880	000000001886-07-31-000031 Jul 1886	000000001891-08-01-0000Aug 1891	Sold to WAGR. In service as I 27 1891-1900.
218	1282/1880	000000001887-05-21-000021 May 1887	000000001927-03-01-0000Mar 1927

References

Register of New Zealand Railways Steam Locomotives 1863-1971. pp. 59 & 158. ISBN 0-9582072-1-6.

Rail vehicles of New Zealand

Diesel locomotives

Diesel Multiple Units

Electric locomotives

1500 V DC	E^A (later EO of 1968) E^C E^D E^O of 1923 E^W

25 kV AC	EF

Battery	E E^B

Electric Multiple Units

1500 V DC (Wellington)	"English Electric" D^M (inc. D trailers) "Ganz Mavag" EM (inc. ET trailers) "Matangi" FP (inc. FT trailers)

25 kV AC (Auckland)	AM (inc. AMP, AMT, AMA)

Railcars

RM class	88 seater (also known as Fiats or twinsets) Clayton steam railcar Edison battery-electric railcar Midland railcar Leyland experimental petrol railcar MacEwan-Pratt petrol railcar Model T Ford railcar Sentinel-Cammell steam railcar Silver Fern Standard Thomas Transmission Vulcan Wairarapa Westinghouse

Others	A 88 Buckhurst petrol carriage

Steam locomotives

A of 1873
A of 1906 (inc. A^D)
A^A
A^B
B of 1874
B of 1899
B^A
B^B
B^C
C of 1873
C of 1930
D of 1874
D of 1929
E of 1872 & 1875
E of 1906
F
F^A (inc. F^B)
G of 1874
G Garratt of 1928 (inc. Pacific rebuild)
H
J of 1874
J of 1939
J^A
J^B
K of 1877
K of 1932
K^A
K^B
L
L^A
M
N
N^A
N^C
O
O^A
O^B
O^C
P of 1876
P of 1885
Q of 1878
Q of 1901
R
S
T
U
U^A
U^B
U^C
U^D
V
W
W^A
W^AB
W^B
W^D
W^E
W^F
W^G
W^H
W^J
W^S
W^W
X
Y

Locomotive hauled carriages

See also: Locomotives of New Zealand.

Classes of locomotives of the Western Australian Government Railways (WAGR/Westrail)

Tender (3 ft 6 in (1,067 mm))	A C/Ca E/Es Ec F/Fs G I J L M O Oa P (1896) P/Pr Pm/Pmr Q R/Ra S T U V W

Tank (narrow gauge)	B C (1880) D (1884) D/Ds Dm Dd E F (1892) H I K (1891) K N Q (1895) S (1888) U (1903) Ut

Garratt (narrow gauge)	ASG M/Ms Msa

Diesel-hydraulic (narrow gauge)	B E (ex MRWA) M/MA

Diesel-mechanical (narrow gauge)	Z

Diesel-electric (narrow gauge)	A/AA/AB C D/DA DB F (ex MRWA) G (ex MRWA) N/NA P R/RA S T/TA X Y

Diesel-electric (standard gauge)	H J K KA L NB Q

Rail transport in Western Australia Transperth Trains Western Australian Government Railways Westrail

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