South African type XJ tender

The South African type XJ tender was a steam locomotive tender.

South African type XJ tender
Type XJ tender on CGR Mountain
Type and origin
LocomotiveCGR Mountain 4-8-2
DesignerCape Government Railways
(H.M. Beatty)
BuilderNorth British Locomotive Company
In service1911
Specifications
Configuration2-axle bogies
Gauge3 ft 6 in (1,067 mm) Cape gauge
Length24 ft 34 in (7,334 mm)
Wheel dia.33 12 in (851 mm) as built
34 in (864 mm) retyred
Wheelbase16 ft 1 in (4,902 mm)
  Bogie4 ft 7 in (1,397 mm)
Axle load10 LT 19 cwt (11,130 kg)
  Front bogie21 LT 11 cwt (21,900 kg)
  Rear bogie21 LT 18 cwt (22,250 kg)
Weight empty47,768 lb (21,667 kg)
Weight w/o43 LT 9 cwt (44,150 kg)
Fuel typeCoal
Fuel cap.6 LT 10 cwt (6.6 t)
Water cap.3,500 imp gal (15,900 l)
StokingManual
CouplersDrawbar & Johnston link-and-pin
Career
OperatorsCape Government Railways
South African Railways
NumbersSAR 1477-1478

Two Type XJ tenders entered service in 1911, as tenders to the two 4-8-2 Mountain type steam locomotives which were acquired by the Cape Government Railways in that year. These locomotives were designated Class 4 on the South African Railways in 1912.[1][2][3]

Manufacturer

Type XJ tenders were built by the North British Locomotive Company in 1911.[1][2][3]

The Cape Government Railways (CGR) placed two 4-8-2 Mountain type steam locomotives in service in 1911, designed by CGR Chief Locomotive Superintendent H.M. Beatty at the Salt River works in Cape Town. These locomotives were designated Class 4 on the South African Railways (SAR) in 1912. The Type XJ entered service as tenders to these two engines.[1][2][3]

Characteristics

The tender had a coal capacity of 6 long tons 10 hundredweight (6.6 tonnes), a water capacity of 3,500 imperial gallons (15,900 litres) and a maximum axle load of 10 long tons 19 hundredweight (11,130 kilograms).[2][3]

Locomotive

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 often also the 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.[3][4]

Only the two Class 4 locomotives were delivered new with Type XJ tenders, which were numbered 1477 and 1478 for their engines.[2][3][4]

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 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 "_J" tenders had a capacity of 3,500 imperial gallons (15,900 litres; 4,200 US gallons).[3]

References

  1. Holland, D. F. (1972). Steam Locomotives of the South African Railways. 2: 1910-1955 (1st ed.). Newton Abbott, Devon: David & Charles. pp. 12–13. ISBN 978-0-7153-5427-8.
  2. 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. 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, 43.
  4. Classification of S.A.R. Engines with Renumbering Lists, issued by the Chief Mechanical Engineer’s Office, Pretoria, January 1912 (Reprinted in April 1987 by SATS Museum, R.3125-6/9/11-1000)
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