South African type XC tender

South African type XC tender

Type XC tender on CSAR Class 10-C
Type and origin
Locomotive CSAR Class 10-C
Designer Central South African Railways
(G.G. Elliot)
Builder North British Locomotive Company
In service 1910-1911
Rebuilder South African Railways
Rebuilt to Type XF
Specifications
Configuration 2-axle bogies
Gauge 3 ft 6 in (1,067 mm) Cape gauge
Length 22 ft 3 18 in (6,785 mm)
Wheel dia. 33 12 in (851 mm) as built
34 in (864 mm) retyred
Wheelbase 14 ft 7 in (4,445 mm)
  Bogie 4 ft 7 in (1,397 mm)
Axle load 8 LT 18 cwt (9,043 kg)
  Front bogie 17 LT (17,270 kg)
  Rear bogie 17 LT 16 cwt (18,090 kg)
Weight empty 38,960 lb (17,670 kg)
Weight w/o 34 LT 16 cwt (35,360 kg)
Fuel type Coal
Fuel cap. 5 LT (5.1 t)
Water cap. 2,600 imp gal (11,800 l)
Stoking Manual
Couplers Drawbar & Bell link-and-pin
Career
Operators Central South African Railways
South African Railways
Numbers SAR 767-778

The South African type XC tender was a steam locomotive tender from the pre-Union era in the Transvaal.

The Type XC tender entered service in 1910 and 1911, as tenders to the Class 10-C 4-6-2 Pacific type steam locomotives which were acquired by the Central South African Railways. These locomotives were designated Class 10C on the South African Railways in 1912.[1][2][3]

Manufacturer

Twelve Type XC tenders were built in 1910 by the North British Locomotive Company (NBL).[1][2][3]

The Central South African Railways (CSAR) placed twelve Class 10-C Pacific type locomotives in service in 1911 and 1912. The locomotive and tender were designed in 1910 by G.G. Elliot, the Chief Mechanical Engineer of the CSAR, at its Pretoria works.[1][2][3]

The Type XC entered service as tenders to these locomotives, which were acquired for light passenger working on the Reef.[1][2][3]

Classification

Since many tender types are interchangeable between different locomotive classes and types, a tender classification system was adopted by the South African Railways (SAR) and these tenders were designated Type XC. Only Class 10C locomotives were delivered new with Type XC tenders.[1][3][4]

In the SAR years, tenders were numbered for the engines they were delivered with. In most cases, an oval number plate, bearing the engine number and tender type, would be attached to the rear end of the tender. During the classification and renumbering of locomotives onto the SAR roster in 1912, no separate classification and renumbering list was published for tenders, which should have been renumbered according to the locomotive renumbering list. Bearing in mind that tenders could and did migrate between engines, the tenders should have been numbered in the SAR number range from 767 to 778.[4]

Letter codes

The first letter of the tender type indicates the classes of engines to which it can be coupled. The "X_" tenders could be used with the following locomotive classes:[3]

The second letter indicates the tender's water capacity. The "_C" tenders had a capacity of between 2,590 and 2,600 imperial gallons (11,770 and 11,820 litres).[3]

A number, when added after the letter code, indicates differences between similar tender types, such as wheelbase or coal bunker capacity.[3]

Rebuilding

Once the Class 10C locomotives were found to be capable of handling mainline passenger trains, they were equipped with larger Type XM2 tenders. Their redundant Type XC tenders were subsequently rebuilt with new larger 3,000 imperial gallons (13,600 litres) water tanks and bunkers with a 10 long tons (10.2 tonnes) coal capacity. The rebuilt tenders were reclassified as Type XF.[1][2][3]

References

  1. 1 2 3 4 5 6 Holland, D.F. (1972). Steam Locomotives of the South African Railways, Volume 2: 1910-1955 (1st ed.). Newton Abbott, Devon: David & Charles. pp. 14–17. ISBN 978-0-7153-5427-8.
  2. 1 2 3 4 5 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. p. 43.
  3. 1 2 3 4 5 6 7 8 9 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. 6a-7a, 41, 43.
  4. 1 2 Classification of S.A.R. Engines with Renumbering Lists, issued by the Chief Mechanical Engineer’s Office, Pretoria, January 1912, pp. 8, 12, 15, 37 (Reprinted in April 1987 by SATS Museum, R.3125-6/9/11-1000)
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