# NZR BC class

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NZR BC class BC class steam locomotive, NZR number 463. Godber Collection, Alexander Turnbull Library.[1] Type and origin Power type Steam Builder Baldwin Locomotive Works Serial number 19796 Build date 1901 Total produced 1 Specifications Configuration: ​ • Whyte 2-8-2 • UIC 1'D1' Gauge 3 ft 6 in (1,067 mm) Driver dia. 43 in (1.092 m) Length 55 ft 7 in (16.94 m) Total weight 71.4 long tons (72.5 t; 80.0 short tons) Fuel type Coal Fuel capacity 4.0 long tons (4.1 t; 4.5 short tons) Water cap. 1,660 imperial gallons (7,500 L; 1,990 US gal) Firebox: ​ • Grate area 25 sq ft (2.3 m2) Boiler pressure 200 lbf/in2 (1.38 MPa) Heating surface 1,477 sq ft (137.2 m2) Cylinders 4 (2 HP, 2 LP) Cylinder size HP 11.5 in × 20 in (292 mm × 508 mm) LP 19 in × 20 in (483 mm × 508 mm) Performance figures Tractive effort 16,080 lbf (71.53 kN) Career Operators Wellington and Manawatu Railway, New Zealand Government Railways Numbers WMR 17, NZR 463 Withdrawn March 1927

The **NZR BC class** comprised a single [steam locomotive](/source/Steam_locomotive) that operated on [New Zealand](/source/New_Zealand)'s [national rail network](/source/New_Zealand_Railways_Department). Built for the [Wellington and Manawatu Railway](/source/Wellington_and_Manawatu_Railway) (WMR) and classified as No. 17, it passed into the ownership of the New Zealand Railways Department (NZR) when the government purchased the WMR in December 1908, and it was then that it acquired the BC classification as BC 463.[2]

## Introduction

The WMR ordered No.17 from the [Baldwin Locomotive Works](/source/Baldwin_Locomotive_Works). It entered service on 10 June 1902 and was at the time the most powerful locomotive to operate in the country. No.17 was the only [2-8-2](/source/2-8-2) "[Mikado](/source/Mikado_(locomotive))" to run in New Zealand. At the time of its arrival, it was the largest engine in the country. It was a [Vauclain](/source/Vauclain_compound) [compound](/source/Compound_locomotive), and its trailing truck bore similarities to the [Q class](/source/NZR_Q_class_(1901)), the world's first [4-6-2](/source/4-6-2) "Pacific" type then under construction by Baldwin for NZR.[3]

The Baldwin Locomotive Works had taken the design of the locomotive almost directly from the original Mikado, that they built for the [Nippon Railway](/source/Nippon_Railway) of Japan in 1897. No. 17 was the Japanese engine fitted with a [Q class](/source/NZR_Q_class_(1901)) boiler. It was then only the third Mikado to be built in the world.

The locomotive was designed to haul trains on the WMR's [steep main line](/source/Wellington_-_Manawatu_Line) between [Wellington](/source/Wellington) and [Paekākāriki](/source/Paek%C4%81k%C4%81riki), and it proved capable of hauling a 280-ton freight train up the [steep grades](/source/Grade_(slope)). This line became the southern portion of the [North Island Main Trunk Railway](/source/North_Island_Main_Trunk_Railway) when acquired by NZR in 1908.

A diagram comparing the Baldwin-built [WMR](/source/Wellington_and_Manawatu_Railway_Company) 2-8-2 No. 17 with the first Mikado class built for the [Nippon Railway](/source/Nippon_Railway) in 1897.[4]

## Withdrawal

No.17/BC 463 worked this line its entire life. It operated for nearly two decades in NZR's ownership until it was withdrawn on 31 March 1927 along with fellow surviving WMR locomotives when NZR adopted a rapid locomotive standardisation plan in the 1920s.[3] It did not survive to be preserved. Only the brass bell from the locomotive survived and was placed on display at [Wellington railway station](/source/Wellington_railway_station). A decade after it was withdrawn, the steepest section of its former line was bypassed by the [Tawa Flat deviation](/source/Tawa_Flat_deviation) and became the [Johnsonville Branch](/source/Johnsonville_Branch).

Colourised [Builder's photo](/source/Builder's_photo) of WMR no.17/NZR Bc no.463

## See also

- [NZR Class B of 1874](/source/NZR_B_class_(1874))

- [NZR Class B of 1899](/source/NZR_B_class_(1899))

- [Locomotives of New Zealand](/source/Locomotives_of_New_Zealand)

## References

### Citations

1. **[^](#cite_ref-1)** ["Bc class steam locomotive, New Zealand Railways number 463 (2-8-2)"](https://tiaki.natlib.govt.nz/#details=ecatalogue.276308). [National Library of New Zealand](/source/National_Library_of_New_Zealand). Retrieved 20 March 2019.

1. **[^](#cite_ref-2)** ["Class BC"](http://www.trainweb.org/nzsteam/bc_class.html). New Zealand Steam. Retrieved 20 March 2019.

1. ^ [***a***](#cite_ref-FOOTNOTEPalmerStewart196596_3-0) [***b***](#cite_ref-FOOTNOTEPalmerStewart196596_3-1) [Palmer & Stewart 1965](#CITEREFPalmerStewart1965), p. 96.

1. **[^](#cite_ref-FOOTNOTEStewart1974_4-0)** [Stewart 1974](#CITEREFStewart1974).

### Bibliography

- Cassells, KR (Ken) (1994). *Uncommon Carrier - The History of the Wellington & Manawatu Railway Company, 1882-1908*. [New Zealand Railway and Locomotive Society](/source/New_Zealand_Railway_and_Locomotive_Society). [ISBN](/source/ISBN_(identifier)) [0908573634](https://en.wikipedia.org/wiki/Special:BookSources/0908573634).

- Hoy, Douglas (1972). *West of the Tararuas: An Illustrated History of the Wellington and Manawatu Railway Co*. Wellington: Southern Press.

- Millar, Sean (2011). *The NZR Steam Locomotive*. Wellington: [New Zealand Railway and Locomotive Society](/source/New_Zealand_Railway_and_Locomotive_Society). [ISBN](/source/ISBN_(identifier)) [978-0-908573-89-9](https://en.wikipedia.org/wiki/Special:BookSources/978-0-908573-89-9).

- Palmer, A. N.; Stewart, W. W. (1965). *Cavalcade of New Zealand Locomotives*. Wellington: [A H. & A W. Reed](/source/Reed_Publishing). [ISBN](/source/ISBN_(identifier)) [978-0-207-94500-7](https://en.wikipedia.org/wiki/Special:BookSources/978-0-207-94500-7).

- Stewart, W. W. (1974). *When Steam was King*. Wellington: [A. H. & A. W. Reed Ltd](/source/Reed_Publishing). [ISBN](/source/ISBN_(identifier)) [978-0-589-00382-1](https://en.wikipedia.org/wiki/Special:BookSources/978-0-589-00382-1).

## External links

- [New Zealand Steam - BC class](http://www.trainweb.org/nzsteam/bc_class.html)

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Adapted from the Wikipedia article [NZR BC class](https://en.wikipedia.org/wiki/NZR_BC_class) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/NZR_BC_class?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.