NZR A class (1873)
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NZR A class (1873)

A67 at Ocean Beach Railway
NameNZR A class (1873)
PowertypeSteam
CaptionA67 at Ocean Beach Railway
Builddate1873 (12), 1875 (2)
BuilderDübs & Co. (12),
Yorkshire Engine Company (2)
Gauge42
Weight11 LT
Whytetype0-4-0T
Driversize30 in (762 mm)
Length18 ft 0 in (457.2 2)
Wheelbase5 ft 7 in (141.7 2)
FueltypeCoal
Fuelcap0.4 LT (10.2 2)
Watercap330 impgal (8382 2)
CylindercountTwo, outside
Cylindersize8 x 15 in (203.2 x 381 mm )
Firearea4.2 sqft (106.7 mm)
Totalsurface269 sqft (6832.6 mm)
Boilerpressure120 psi (3048 MPa)
Tractiveeffort3072 lbf (78028.8 kN)
RailroadPublic Works Department, NZGR
Numinclass14
LocaleNew Zealand
PreservedunitsFour (62, 64, 66, 67)
DispositionFour preserved, ten scrapped

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The A class was the second class of steam locomotive (after 1872's F class) ordered to work on New Zealand's national railways. It should not be confused with the more numerous A class 4-6-2 tender locomotives of 1906. Initially ordered by the Public Works Department for use in the construction of lines, the A class was a small tank locomotive with a wheel arrangement of 0-4-0T. An initial twelve were constructed by Dübs & Co. in 1873 and two more were built in 1875 by the Yorkshire Engine Company. They were not just used by the Public Works Department; the New Zealand Government Railways also utilised the class to operate revenue services on smaller branch lines. None existed in government service by 1905, but their small size made them perfect for use on bush tramways and small private industrial sidings. Many members of the class survived for years in private use, and although all are now retired from commercial service, four have survived to be preserved by railway enthusiasts and two of the four are currently in full operational condition. One of these preserved locomotives, A 67, was the first in a cavalcade of locomotives at the celebration of the hundredth birthday of the Dunedin Railway Station.

A batch of A class engines, with differing external details was built at Wellington's Lion Foundry, by E.W. Mills Ltd in 1873, for use on the Foxton Section.

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Rail vehicles of New Zealand

Battery electric locomotivesE - EB
Diesel locomotivesDA (inc. DAA, DAR) - DB (inc. DBR) - DC (inc. DCP) - DE - DF (English Electric) - DF (General Motors) inc. DFT - DG (inc. DH of 1956) - DH of 1978 - DI - DJ - DL - DQ (inc. QR) - DS - DSA - DSB - DSC - DSG - DSJ - DX (inc. DXB, DXC and DXR) - TR
Diesel Multiple UnitsADK (inc. ADB trailers) - ADL (inc. ADC trailers)
Electric locomotivesEA (later EO of 1968) - EC - ED - EF - EO of 1923 - EW
Electric Multiple UnitsDM (inc. D trailers) - EM (inc. ET trailers) - "Matangi" FP (inc. FT trailers)
RailcarsRM class railcars: 88 seater (also known as Fiats or twinsets) - Clayton steam railcar - Edison battery-electric railcar - Leyland diesel railbus - Leyland experimental petrol railcar - MacEwan-Pratt petrol railcar - Model T Ford railcar - Sentinel-Cammell steam railcar - Silver Fern - Standard - Thomas Transmission - Vulcan - Wairarapa - Westinghouse

Non-RM class railcar: A 88 Buckhurst petrol carriage

Steam locomotivesA of 1873 - A of 1906 (inc. Ad) - AA - AB - B of 1874 - B of 1899 - BA - BB - BC - C of 1873 - C of 1930 - D of 1874 - D of 1929 - E of 1872-75 - E of 1906 - F - FA (inc. FB) - G of 1874 - G Garratt of 1928 (inc. Pacific rebuild) - H - J of 1874 - J of 1939 - JA - JB - K of 1877 - K of 1932 - KA - KB - L - LA - M - N - NA - NC - O - OA - OB - OC - P of 1876 - P of 1885 - Q of 1878 - Q of 1901 - R - S - T - U - UA - UB - UC - UD - V - W - WA - WAB (inc. WS) - WB - WD - WE - WF - WG - WH - WJ - WW - X - Y
Locomotive hauled carriages50-foot carriage - 56-foot carriage - ex-British Rail Mark 2 carriage- AK carriage - FM class guards van
See also: Locomotives of New Zealand; Motive power explanation; Multiple units and Railcars descriptions.



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