CSAR Railmotor

The CSAR Railmotor of 1907 is a South African steam railmotor locomotive from the pre-Union era in the Transvaal.

In 1907 the Central South African Railways acquired a single self-contained Railmotor for the low-volume railmotor passenger service that had been introduced the previous year. The predecessor vehicle was a railmotor engine that consisted of a single 19 Tonner 0-4-2T locomotive, modified and semi-permanently coupled to a modified 3rd Class side-door passenger coach that was equipped with a driving cab at the rear. On the new railmotor the passenger coach was an integral part of the locomotive itself.^[2][3][4]

Railmotor service

In January 1905 an order had been placed by the Central South African Railways (CSAR) with Kitson and Company for two self-contained railmotors, of which only one was eventually delivered in 1907. While awaiting delivery, it was decided to construct a railmotor engine at the Pretoria Works, consisting of a light 19 Tonner 0-4-2T locomotive and a fifty-two seat side-door 3rd Class suburban coach. The locomotive was modified and semi-permanently coupled to the coach, which was modified to contain a driving cab at the rear end, with the controls arranged so that the push-pull unit could be driven from either vehicle. The locomotive was reclassified as a Railmotor Engine and renumbered M1. The CSAR railmotor service was put into operation in April 1906 and operated between Rissik in Johannesburg and Wonderboom in Pretoria.^[2][3][4]

Manufacturer

Side view drawing of Railmotor no. M2

The single new Kitson-built Railmotor was delivered in early 1907 and was numbered M2. It was a self-contained motor-coach with a fifty-six seat capacity, in which the engine, boiler and coach were embodied in a single vehicle. While the engine part of the vehicle was built by Kitson, the coach part was constructed by Metropolitan Amalgamated Railway Carriage & Wagon. To negotiate curves and points, the power unit was not rigid and pivoted like a bogie. The railmotor was erected at the Salt River shops of the Cape Government Railways (CGR) in Cape Town and entered service on the CSAR on 10 August 1907.^[2]

Service

Central South African Railways

Railmotor no. M2 initially worked out of Germiston on the Elsburg-Germiston-Rietfontein Mine route, but the service was extended on 8 September 1907 to include the Germiston-Jupiter section. The route of the home-built railmotor engine no. M1 was also extended to Hatherley-Rissik-Pretoria-Wonderboom.^[2]

In service, the new railmotor no. M2 was found to be less satisfactory than the home-built railmotor engine no. M1, which was considered to be superior in aspects like design, passenger comfort, economy in running and convenience in working. Since the imported railmotor was a single vehicle, the carriage was unusable while the engine had to be withdrawn for service or repairs. The Pretoria-built coach was still readily detachable from the locomotive and both engine and coach were still complete units which could be used independently of each other.^[2]

The purchase cost of railmotor no. M2 was £4,654, while the cost to convert the first 19 Tonner and a coach to a railmotor engine had been £5,827. Given the advantages of the home-built vehicle over the imported railmotor and the fact that several 19 Tonners were standing idle and considered unusable for any other purpose, no more railmotors were ordered and another two 19 Tonners were converted to railmotor engines in 1908, at a cost of £2,485 each. During 1909 orders were placed with the shops for another seven railmotor engines. These nine vehicles were renumbered in the range from M3 to M11.^[2]

19 Tonner Railmotor Engine no. M1

Between 1906 and 1909 steam railmotor services were expanded to operate on four routes:^[2][3][4]

• Hatherley-Pretoria-Wonderboom.
• Elsburg-Germiston-Rietfontein Mine.
• Luipaardsvlei-Krugersdorp-Randfontein.
• Germiston-Geduld.

South African Railways

The Union of South Africa was established on 31 May 1910, in terms of the South Africa Act, enacted by the Parliament of the United Kingdom. One of the clauses in the Act required that the three Colonial Government railways, the CGR, the Natal Government Railways and the CSAR, also be united under one single administration to control and administer the railways, ports and harbours of the Union. While the South African Railways (SAR) came into existence in 1910, the actual classification and renumbering of all the rolling stock of the three constituent railways required careful planning and was only implemented with effect from 1 January 1912.^[5][6]

In 1912 the railmotor, along with the ten railmotor engines, were taken onto the SAR roster as unclassified locomotives since they were considered obsolete. Since they were excluded from the SAR renumbering schedules, they retained their CSAR engine numbers.^[6]

At some stage the railmotor's boiler was allocated SAR boiler number 4001. It was withdrawn from service by 1921.^[3][4]

See also

• List of South African locomotive classes
• South African locomotive history
• NZASM 19 Tonner 0-4-2T
• The 0-4-0 wheel arrangement

References

Wikimedia Commons has media related to: CSAR Railmotor

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