The South African type MY1 tender was a steam locomotive tender. Type MY1 tenders entered service in 1952 and 1953, as tenders to the shunting steam locomotives which entered service on the

South African Railways Transnet Freight Rail is a South African rail transport company, formerly known as Spoornet. It was part of the South African Railways and Harbours Administration, a state-controlled organisation that employed hundreds of thousands of people ...

in those years.South African Railways & Harbours/Suid Afrikaanse Spoorweë en Hawens (15 Aug 1941). ''Locomotive Diagram Book/Lokomotiefdiagramboek, 3'6" Gauge/Spoorwydte''. SAR/SAS Mechanical Department/Werktuigkundige Dept. Drawing Office/Tekenkantoor, Pretoria. pp. VIII, 47.South African Railways & Harbours/Suid Afrikaanse Spoorweë en Hawens (15 Aug 1941). ''Locomotive Diagram Book/Lokomotiefdiagramboek, 2'0" & 3'6" Gauge/Spoorwydte, Steam Locomotives/Stoomlokomotiewe''. SAR/SAS Mechanical Department/Werktuigkundige Dept. Drawing Office/Tekenkantoor, Pretoria. pp. VIII, 6a-7a, 37.

Manufacturer

Type MY1 tenders were built in 1952 and 1953 by

Friedrich Krupp AG The Krupp family (see #Pronunciation, pronunciation), a prominent 400-year-old German dynasty from Essen, is notable for its production of steel, artillery, ammunition and other armaments. The family business, known as Friedrich Krupp AG (F ...

Essen Essen (; Latin: ''Assindia'') is the central and, after Dortmund, second-largest city of the Ruhr, the largest urban area in Germany. Its population of makes it the fourth-largest city of North Rhine-Westphalia after Cologne, Düsseldorf and D ...

in Germany. The Class S2 0-8-0 steam locomotive was designed by L.C. Grubb, Chief Mechanical Engineer of the South African Railways (SAR) from 1949 to 1954, as a shunting locomotive with a light axle load for harbour work where most of the trackwork was laid with light rail. The Type MY1 entered service as tenders to these locomotives.

Characteristics

The tender had a coal capacity of , a water capacity of and a maximum axle loading of . It was a tank wagon type tender with a cylindrical water tank, similar in appearance to the North American Vanderbilt type tender. The SAR's Types MX, MY and MY1 tenders with their cylindrical water tanks all became commonly known as ''Torpedo'' tenders.

Like the Type CL, Type MX and Type MY tenders, it rode on three-axle Buckeye bogies to reduce the axle load. While the tender was similar in general appearance and dimensions and had the same wheelbase as the Type MY tender of the Class 24, it had a different

coal bunker A coal bin, coal store or coal bunker is a storage container for coal awaiting use or transportation. This can be either in domestic, commercial or industrial premises, or on a ship or locomotive tender, or at a coal mine or processing plant. D ...

top design. As was done with the tenders of the Classes S and S1 shunting locomotives, the top sides of the coal bunker were scalloped out to improve the crew's rearward field of vision.

Locomotive

Only the Class S2 locomotives were delivered new with Type MY1 tenders, which were numbered in the range from 3701 to 3800 for their engines. An oval number plate, bearing the engine number and often also the tender type, was attached to the rear end of the tenders. Most of the Class S2 locomotives were placed in shunting service in the

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and

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harbours, while some were also allocated to yards on the Witwatersrand and in the Eastern Transvaal.

Classification letters

Since many tender types are interchangeable between different locomotive classes and types, a tender classification system was adopted by the SAR. The first letter of the tender type indicates the classes of engines to which it could be coupled. The "M_" tenders could be used with the locomotive classes as shown, although in some cases, engine drawbars and intermediate emergency chains had to be replaced or adjusted to suit the target locomotive. * Class 12, Class 12A and Class 12B. * Class 14, Class 14A and

Class 14B Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differently ...

. * Class 15 and Class 15A. * Class 16, Class 16A, Class 16B and Class 16C. *

Class 19 Class 19 may refer to: * Caledonian Railway 19 Class, 0-4-4T steam locomotives * Belgian Railways Class 19, electric locomotives * British Rail Class 19 Class 19 is the name given to an experimental railway locomotive that was constructed using ...

, Class 19A, Class 19B, Class 19C and Class 19D. * Class 20. * Class 24. * Class MC1, Class MH and Class MJ. * Class S2. The second letter indicates the tender's water capacity, while a number, when added after the letter code, indicates differences between similar tender types, such as function, wheelbase or coal bunker capacity. The "_Y1" tenders had a capacity of .

References

{{Locomotives of South Africa MY1