# NZR WJ class

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NZR WJ class The former WMR second No. 3 locomotive as NZR 466, WJ class. Godber Collection, Alexander Turnbull Library.[1] Type and origin Power type Steam Builder Baldwin Locomotive Works Serial number 23596 Build date 1904 Specifications Configuration: ​ • Whyte 2-8-4T Gauge 3 ft 6 in (1,067 mm) Wheel diameter 43 in (1.092 m) Adhesive weight 38.0 long tons (38.6 t; 42.6 short tons) Loco weight 53.6 long tons (54.5 t; 60.0 short tons) Fuel type Coal Firebox: ​ • Grate area 16.7 sq ft (1.55 m2) Boiler pressure 200 psi (1,379 kPa) Heating surface 1,080 sq ft (100 m2) Cylinders 2 Cylinder size 17 in × 20 in (432 mm × 508 mm) Performance figures Tractive effort 21,510 lbf (95.7 kN) Career Operators Wellington and Manawatu Railway, New Zealand Government Railways Number in class 1 Numbers WMR 3 (1904), NZR 466 Locale Wellington - Johnsonville section Retired 31 March 1928 Disposition Withdrawn

The **NZR WJ class** was a lone [steam locomotive](/source/Steam_locomotive) built by [Baldwin Locomotive Works](/source/Baldwin_Locomotive_Works) for service on [New Zealand](/source/New_Zealand)'s private [Wellington and Manawatu Railway](/source/Wellington_and_Manawatu_Railway) (WMR). It acquired the WJ classification when the publicly owned [New Zealand Railways Department](/source/New_Zealand_Railways_Department) (NZR) purchased the WMR and its locomotive fleet in 1908.[2]

## Introduction

The locomotive entered service in July 1904 with WMR road No. 3 (reused). It was the first WMR locomotive to have piston valves.[3]

A large 2-8-4T tank engine nicknamed **Jumbo**, it was based at Wellington for all its life. It was used as a banker out of Wellington up the Ngaio bank to Johnsonville, which had long grades of 1 in 40 up to Crofton (Ngaio) and Khandallah and tunnels No 1 to 5.[4]

It ran 67,907 mi (109,286 km) by 29 February 1908.[5] *Jumbo* was allegedly hated by both drivers and firemen, but all agreed that it was extremely strong and durable. Like all Baldwin locomotives, it had cast [bar frames](/source/Locomotive_frame#Bar_frame); in this case, they gave considerable trouble, for they persistently broke immediately behind the smokebox saddle.[2]

When taken into the NZR fleet in 1908, it was allocated its own class and NZR No. 466. With a tendency for breaking its frames on the heavy banking duty, *Jumbo* saw little service after 1920.

## Withdrawal

The locomotive was withdrawn in 1927 and written off on 31 March 1928.[6] The boiler was sent to the [Taumarunui](/source/Taumarunui) locomotive depot for use as a washout boiler.[7]

## References

### Citations

1. **[^](#cite_ref-1)** ["The former WMR second No. 3 locomotive as NZR 466, WJ class"](https://tiaki.natlib.govt.nz/#details=ecatalogue.257760). [National Library of New Zealand](/source/National_Library_of_New_Zealand). Retrieved 21 March 2019.

1. ^ [***a***](#cite_ref-FOOTNOTEPalmerStewart196597_2-0) [***b***](#cite_ref-FOOTNOTEPalmerStewart196597_2-1) [Palmer & Stewart 1965](#CITEREFPalmerStewart1965), p. 97.

1. **[^](#cite_ref-FOOTNOTEHoy197269_3-0)** [Hoy 1972](#CITEREFHoy1972), p. 69.

1. **[^](#cite_ref-FOOTNOTECassells1994110,_155,_166_4-0)** [Cassells 1994](#CITEREFCassells1994), pp. 110, 155, 166.

1. **[^](#cite_ref-FOOTNOTECassells1994155_5-0)** [Cassells 1994](#CITEREFCassells1994), p. 155.

1. **[^](#cite_ref-FOOTNOTELloyd197445_6-0)** [Lloyd 1974](#CITEREFLloyd1974), p. 45.

1. **[^](#cite_ref-FOOTNOTEPalmerStewart196596_7-0)** [Palmer & Stewart 1965](#CITEREFPalmerStewart1965), p. 96.

### Bibliography

- Cassells, Ken (1994). *Uncommon Carrier: The History of the Wellington and Manawatu Railway Company, 1882-1908*. [New Zealand Railway and Locomotive Society](/source/New_Zealand_Railway_and_Locomotive_Society). [ISBN](/source/ISBN_(identifier)) [0-908573-63-4](https://en.wikipedia.org/wiki/Special:BookSources/0-908573-63-4).

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

- Lloyd, W. G. (1974). *Register of New Zealand Railways Steam Locomotives 1863-1971* (2nd ed.). Otago Railway and Locomotive Society & Triple M Publications. [ISBN](/source/ISBN_(identifier)) [0-9582072-1-6](https://en.wikipedia.org/wiki/Special:BookSources/0-9582072-1-6).

- McGavin, T. A. *The Manawatu Line (Wellington* [NZRLS](/source/NZRLS), 1958, 2nd edn 1982) [ISBN](/source/ISBN_(identifier)) [0-908573-35-9](https://en.wikipedia.org/wiki/Special:BookSources/0-908573-35-9)

- 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

- [Writing off, 1927](https://nzetc.victoria.ac.nz/tm/scholarly/tei-Gov02_05Rail-t1-body-d13-d3.html)

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