NZR JB class
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NZR JB class

NameNZR JB class
PowertypeSteam
Builddate1939
BuilderNorth British Locomotive Works, Glasgow, Scotland
Weight68.55 LT
Tenderweight40.35 LT
Locotenderweight108.9 LT
Whytetype 
Firstrundate1939 - 1940
Lastrundate1964 - 1967
DispositionWithdrawn; 0 preserved.
Numinclass12
Weightondrivers44.45 LT
Wheelbase34 ft 10 in
Boilerpressure200 psi
Gauge42al=onlk=on
Wheeldiameter54 in
Cylindercount2
Cylindersize18 x 26 in (45.7 x 66 cm )
Tractiveeffort24960 lbf (63398.4 kN)
Topspeedapprox. 72mph
Retiredate1964 - 1968
Scrapdate1964 - 1968
LocaleNorth Island of New Zealand
Roadnumber1200, 1203, 1205-06, 1213, 1218, 1224, 1228-30, 1233, 1239
Length66 ft 11 in (170 1)
FueltypeOil
Watercap4000 impgal (18184.4 L)
Fuelcap1350 impgal (6137.2 L)
Firearea39.0 sqft (3.6 m2)
Totalsurface1469 sqft (136.5 m2)
Superheaterarea283 sqft (26.3 m2)
ValvegearBaker

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The NZR JB class steam locomotives were all originally members of the J class of 1939. Built by North British Locomotive Works, Scotland, they all initially burned coal and wore distinctive bullet-like streamlining.

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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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