PPR 35 Tonner 4-6-0T Portuguese

Delagoa Bay Railway 4-6-0T
PPR 35 Tonner 4-6-0T Portuguese
NZASM 35 Tonner 4-6-0T
IMR 4-6-0T 1887
CSAR 4-6-0T 1887

35 Tonner Portuguese, circa 1898
Type and origin
Power type Steam
Designer Nasmyth, Wilson & Company
Builder Nasmyth, Wilson & Company
Serial number 324
Build date 1887
Total produced 2
Specifications
Configuration 4-6-0T "Tenwheeler"
Gauge 3 ft 6 in (1,067 mm) Cape gauge
Leading dia 25 12 in (648 mm)
Driver diameter 44 in (1,120 mm)
Wheelbase 19 ft 10 14 in (6.052 m)
Length 28 ft 8 in (8.738 m) over buffers
Height 11 ft 8 12 in (3.569 m)
Loco weight 35 long tons (36 t) w/o
Fuel type Coal
Fuel capacity 1 1020 long tons (1.5 t)
Water cap 840 imp gal (3,800 l; 1,010 US gal)
Firebox:
  Firegrate area
11.5 sq ft (1.068 m2)
Boiler 5 ft 8 in (1.727 m) pitch
Boiler pressure 140 psi (965 kPa)
Heating surface:
  Tubes
151 tubes of 1 12 in (38.1 mm) diameter
Cylinders Two
Cylinder size 14 in (356 mm) bore
20 in (508 mm) stroke
Performance figures
Tractive effort 9,354 lbf (42 kN) at 75% pressure
Career
Operators Delagoa Bay Railway
Pretoria-Pietersburg Railway
NZASM
Imperial Military Railways
Central South African Railways
Olifantsfontein Brick & Tile
Class PPR 35 Tonner
Number in class 1
Numbers Delagoa Bay 3
Official name Portuguese
Delivered 1897
First run 1887
For lack of a classification the locomotive is referred to as a 35 Tonner since the NZASM, who took possession of the PPR, classified its own locomotives according to their weight

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The Pretoria-Pietersburg Railway 35 Tonner 4-6-0T of 1887 is a South African steam locomotive from the pre-Union era in the Transvaal.

The Lourenco Marques, Delagoa Bay and East Africa Railway in Mozambique placed two tank locomotives with a 4-6-0 Tenwheeler type wheel arrangement in service in 1887. One of them was sold to the Pretoria-Pietersburg Railway in the Zuid-Afrikaansche Republiek in 1897. The 35 Tonner locomotive was not classified, but named Portuguese and referred to by name.[1]

The Pretoria-Pietersburg Railway

The Pretoria-Pietersburg Railway Company (PPR), incorporated in London on 13 May 1896 with a capital of £500,000, constructed a railway that operated northward from Pretoria West via Warmbad and Nylstroom to Pietersburg. The 176 miles (283 kilometres) line was constructed under a concession granted by the government of the Zuid-Afrikaansche Republiek (ZAR) to Hendrik Jacobus Schoeman on 30 October 1895. Construction commenced in 1897 and the first 80 miles (130 kilometres) to Nylstroom was opened to traffic by 1 July 1898. Pietersburg was reached on 31 May 1899.[1]

Origin and manufacturer

The Lourenco Marques, Delagoa Bay and East Africa Railway (the Delagoa Bay Railway) in Mozambique placed two tank locomotives with a 4-6-0 Tenwheeler type wheel arrangement in service in 1887, built by Nasmyth, Wilson and Company and numbered 3 and 4.[1]

Service

Pretoria-Pietersburg Railway

Ten years later in 1897, the Delagoa Bay’s engine no. 3 was sold to the PPR. The locomotive was not classified or numbered by the PPR, but named Portuguese. It became commonly known as the Portuguese Tank.[1]

Since the first part of their line to Nylstroom was still being built, the PPR employed the Portuguese for construction work and general service. The locomotive had the honour to haul the first revenue-earning train between Pretoria and Nylstroom in July 1898.[1]

NZASM

As a result of the outbreak of the South African War and since the PPR was owned by a British registered company, the railway and its rolling stock was seized by the ZAR government in October 1899, only five months after the line to Pietersburg was completed. The line was then briefly worked by the Nederlandsche-Zuid-Afrikaansche Spoorweg-Maatschappij (NZASM).[1][2]

Imperial Military Railways

All railway operations in the two Boer Republics, the ZAR and the Orange Free State, were taken over by the Imperial Military Railways (IMR) in late 1899 and were operated as a single railway system for the duration of the war.[2]

Central South African Railways

The Portuguese survived the war. At the end of the war in 1902 the IMR was transformed into the Central South African Railways (CSAR).[1]

Industry

In 1908 the CSAR sold the Portuguese to the Olifantsfontein Brick and Tile Company, where it was used as a yard shunting locomotive for the remainder of its working years.[1]

Illustration

The pictures illustrate the Portuguese at work during construction of the line to Nylstroom.

References

  1. 1 2 3 4 5 6 7 8 Holland, D.F. (1971). Steam Locomotives of the South African Railways, Volume 1: 1859-1910 (1st ed.). Newton Abbott, Devon: David & Charles. pp. 118–119. ISBN 978-0-7153-5382-0.
  2. 1 2 The South African Railways - Historical Survey. Editor George Hart, Publisher Bill Hart, Sponsored by Dorbyl Ltd., Published c. 1978, p. 20, 22-23.
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