NZR BA class

NZR BA class

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NZR BA class


Name	NZR B^A class
Powertype	Steam
Builddate	1911 - 1913
Builder	NZR Addington Workshops
Weight	43.9 LT
Tenderweight	25.5 LT
Locotenderweight	69.4 LT
Firstrundate	November 1911
Whytetype
Boilerpressure	175 psi original 200 psi rebuild
Numinclass	10
Roadnumber	148, 497 - 500, 551 - 555
Locale	Otago and Southland
Disposition	Withdrawn 1 preserved
Tractiveeffort	18550 lbf original 21200 lbf rebuild
Fueltype	Coal
Fuelcap	4.0 LT
Watercap	1700 impgal
Topspeed	30 mph (13.4 m/s)
Length	52 ft 3 in (15.9 m)
Preservedunits	One (B^A 552)
Weightondrivers	32.3 LT (9.8 m)
Diversize	42.5 in (1.1 m)
Cylindercount	Two
Cylindersize	16 x 22 in (0.4 x 0.6 )
Firearea	16.7 sqft (1.6 m2) original 26.4 sqft (2.5 m2) rebuild
Superheaterarea	206 sqft (19.1 m2)
Lastrundate	June 1969
Gauge	42al=onlk=on

Home | Locomotive | NZR BA class

The B^A class was a class of steam locomotive built by the New Zealand Railways Department (NZR) for use on New Zealand's national rail network. The first B^A entered service in November 1911, with the last of the 11 class members introduced on 14 May 1913.

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Rail vehicles of New Zealand

Battery electric locomotives		E - EB
Diesel locomotives		DA (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 Units		ADK (inc. ADB trailers) - ADL (inc. ADC trailers)
Electric locomotives		EA (later EO of 1968) - EC - ED - EF - EO of 1923 - EW
Electric Multiple Units		DM (inc. D trailers) - EM (inc. ET trailers) - "Matangi" FP (inc. FT trailers)
Railcars		RM 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 locomotives		A of 1873 - A of 1906 (inc. Ad) - 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 1872-75 - 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 (inc. W^S) - W^B - W^D - W^E - W^F - W^G - W^H - W^J - W^W - X - Y
Locomotive hauled carriages		50-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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