NZR KA class
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NZR KA class

A streamlined KA class locomotive
NameNZR KA class
PowertypeSteam
CaptionA streamlined KA class locomotive
Builddate1939 - 1945, 1950
BuilderNZR Hutt Workshops
Weight93 LT
Tenderweight52.9 LT
Locotenderweight145.9 LT
Whytetype 
Firstrundate1939
LastrundateDecember 1967
DispositionWithdrawn; 3 preserved
Numinclass35
Weightondrivers56.4 LT
Wheelbase34 ft 10 in
Boilerpressure200 psi
FeedwaterheaterACFI (KA 930 - 959)
Gauge42al=onlk=on
CurrentownerMainline Steam, Silver Stream Railway, Steam Incorporated
Wheeldiameter54 in (1.4 m)
Cylindercount2
Cylindersize20 x 26 in (50.8 x 66 cm )
Poweroutput1400 hp (3556 kW)
Tractiveeffort30815 lbf (78270.1 kN)
Retiredate1965 - 1967|
Restoredate1985 (KA 945)|
Scrapdate1966 - 1967|
LocaleNorth Island of New Zealand|
Roadnumber930 - 964|
Length69 ft 8 in (177 1)
Height11 ft 6 in (29.2 1)
Width8 ft 6 in (21.6 1)
Officialname"Nigel Bruce" (KA 942)|
FueltypeCoal (original)
Oil (converted 1947 - 1953)
Watercap5000 impgal (22730.5 L)
Fuelcap7.5 LT (34.1 t) coal
1570 impgal (7137.4 L) oil
Firearea47.7 sqft (4.4 m2)
Totalsurface1933 sqft (179.6 m2)
Superheaterarea485 sqft (45.1 m2)

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The NZR KA class of 1939 was a class of mixed traffic 4-8-4 steam locomotives that operated on New Zealand's railway network. They were built after the success of the K class to meet the increasing traffic demands of the New Zealand Railways Department. The locomotives first appeared with distinctive streamlining, mainly to hide their ACFI feedwater systems.

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Key:

Number Builder Entered service Withdrawn Notes
930 NZR Hutt March , 1940 October , 1966
931 NZR Hutt May , 1940 April , 1966
932 NZR Hutt May , 1940 May , 1967
933 NZR Hutt July , 1940 October , 1966
934 NZR Hutt August , 1941 October , 1966
935 NZR Hutt October , 1941 December , 1967 Donated by NZR to Wellington Branch of the NZR&LS. Preserved by Silver Stream Railway; stored servicable but out of use.
936 NZR Hutt February , 1942 January , 1966
937 NZR Hutt November , 1943 November , 1967
938 NZR Hutt December , 1943 July , 1964
939 NZR Hutt March , 1944 January , 1965 Tender from this locomotive preserved by Mainline Steam, Parnell
940 NZR Hutt September , 1940 December , 1965
941 NZR Hutt October , 1940 December , 1967
942 NZR Hutt November , 1940 August , 1967 Purchased 1972 by Ian Welch for Mainline Steam and named Nigel Bruce; restored and certified for main line use. Partially streamlined/shrouded.
943 NZR Hutt February , 1941 May , 1967
944 NZR Hutt May , 1941 December , 1965
945 NZR Hutt July , 1939 December , 1967 Purchased from NZR by Len Southward for Southward Car Museum; donated to Steam Incorporated, restored and in use on the main line from 1985; currently stored dismantled awaiting overhaul.
946 NZR Hutt August , 1939 January , 1965
947 NZR Hutt August , 1939 May , 1966
948 NZR Hutt August , 1939 May , 1966
949 NZR Hutt October , 1939 March , 1955 Wrecked in the Tangiwai disaster on 24 December 1953; officially written off March 1955.
950 NZR Hutt November , 1939 December , 1965
951 NZR Hutt November , 1939 March , 1965
952 NZR Hutt December , 1939 October , 1966
953 NZR Hutt July , 1944 May , 1967
954 NZR Hutt October , 1944 September , 1966
955 NZR Hutt December , 1944 May , 1967
956 NZR Hutt September , 1945 October , 1966
957 NZR Hutt April , 1946 October , 1966
958 NZR Hutt February , 1950 February , 1967 Baker Valve Gear
959 NZR Hutt March , 1950 October , 1966 Baker Valve Gear
960 NZR Hutt March , 1939 September , 1966
961 NZR Hutt April , 1940 September , 1966
962 NZR Hutt April , 1940 September , 1966
963 NZR Hutt August , 1940 October , 1966
964 NZR Hutt June , 1941 October , 1966

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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