NZR NA class
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NZR NA class

NameNZR NA class
PowertypeSteam
BuilderBaldwin Locomotive Works
Serialnumber13913, 15054
Builddate1894, 1896
Totalproduction2
Whytetype2-6-2
Uicclass1′C1′ n
Gauge42
Driverdiameter49 in (1.2 m)
Length50 ft 10 in (1.3 2)
Weightondrivers 
Weight 
Tenderweight 
FueltypeCoal
Fuelcap 
Watercap1500 impgal (38.1 2)
Boilerpressure180 lbf/in2 (4.6 MPa)
Firearea16.7 sqft (1.6 m2)
Totalsurface957 sqft (88.9 m2)
SuperheatertypeNone
CylindercountFour (Vauclain compound)
Hpcylindersize10 x 20 in (254 x 508 mm )
Lpcylindersize17 x 20 in (431.8 x 508 mm )
Tractiveeffort9700 lbf (246380 kN)
RailroadWellington and Manawatu Railway, New Zealand Government Railways
LocaleFrankton, Wairarapa, Wellington - Longburn section
RoadnumberWMR 14, 15
NZR 459, 460
Withdrawndate1929
DispositionWithdrawn

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The NA class was a class of two steam locomotives that operated on the privately owned Wellington and Manawatu Railway (WMR) and then the publicly owned national rail network in New Zealand. Ordered by the WMR to operate on its line up the west coast of the North Island north of Wellington, the first was built in 1894 by the Baldwin Locomotive Works and entered service that year as WMR No. 14. In 1896, a second locomotive that was slightly more powerful was ordered from Baldwin, and it entered service in October 1897. The engines were similar to the two members of the N class ordered in 1891, except they were heavier and more powerful.

In 1908, the WMR was incorporated into the national network and the government's Railways Department reclassified the engines as the sole members of the NA class: No. 14 became NA 459 and No. 15 became NA 460. They operated for roughly another two decades; NA 459 spent its final days working in Frankton near Hamilton and was withdrawn from service in March 1929, while NA 460's last depot was Cross Creek at the Wairarapa end of the Rimutaka Incline and it was withdrawn in July 1929.


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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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