CGR 3rd Class 4-4-0 1901

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CGR 3rd Class 4-4-0 1901
South African Class 03 4-4-0 1901
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CGR 3rd Class 4-4-0 of 1901 Wynberg Tender
Type and origin
Power type Steam
Designer Cape Government Railways
(H.M. Beatty)
Builder Sharp, Stewart and Company
Serial number 4710-4715
Build date 1901
Total produced 6
Specifications
Configuration 4-4-0 (American)
Driver axle 1st coupled axle
Gauge 3 ft 6 in (1,067 mm) Cape gauge
Leading dia Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
Coupled dia 60 in (1,524 mm)
Tender wheels 37 in (940 mm)
Wheelbase Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
 • Engine Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
 • Leading 5 ft 3 in (1,600 mm)
 • Coupled 7 ft (2,134 mm)
 • Tender 10 ft (3,048 mm)
Length:
 • Over couplers
49 ft 9 in (15,164 mm)
Height 12 ft 10 in (3,912 mm)
Axle load Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
 • Leading Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
 • Tender axle Axle 1: Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Axle 2: Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Axle 3: Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Adhesive weight Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Loco weight Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Tender weight Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Loco & tender weight Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Tender type 3-axle
Fuel type Coal
Fuel capacity 5 LT (5.1 t)
Water cap Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Boiler:
 • Pitch
6 ft 9 in (2,057 mm)
 • Diameter Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
 • Tube plates Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
 • Firebox type Round-top
Boiler pressure 165 psi (1,138 kPa)
Safety valve Ramsbottom
Firegrate area 16.8 sq ft (1.56 m2)
Heating surface 942 sq ft (87.5 m2)
 • Tubes 850 sq ft (79 m2)
 • Firebox 92 sq ft (8.5 m2)
Cylinders Two
Cylinder size 17 in (432 mm) bore
24 in (610 mm) stroke
Valve gear Stephenson
Couplers Bell link-and-pin
Performance figures
Tractive effort 14,310 lbf (63.7 kN) @ 75%
Career
Operators Cape Government Railways
South African Railways
Class CGR 3rd Class, SAR Class 03
Number in class 6
Numbers 6-11
Nicknames Wynberg Tender
Delivered 1901
First run 1901
Withdrawn c. 1932

The Cape Government Railways 3rd Class 4-4-0 of 1901 was a South African steam locomotive from the pre-Union era in the Cape of Good Hope.

In 1901, the Cape Government Railways placed another six 3rd Class Wynberg Tender locomotives with a 4-4-0 American type wheel arrangement in suburban service in Cape Town. It was a heavier and more powerful version of the 3rd Class locomotive of 1898.[1][2][3]

Manufacturer

Six more 3rd Class Wynberg Tender passenger locomotives entered service on the Cape Government Railways (CGR) in 1901, for suburban service in Cape Town. They were built by Sharp, Stewart and Company and numbered in the range from 6 to 11.[1][2]

Also designed by H.M. Beatty, these locomotives were very similar in design to the 3rd Class 4-4-0 of 1898, but larger and more powerful. They were built for speed and had the largest coupled wheels of any locomotive on the CGR to date, at 60 inches (1,524 millimetres) diameter.[1]

In later years, this driving wheel size became the accepted size for mixed traffic and general purpose locomotives on mainline service in South Africa. During the rest of the steam era in South Africa, only four locomotive types were to be introduced with larger driving wheels, post-delivery modifi­cations excluded.[1]

Service

Cape Government Railways

These locomotives were also known as Wynberg Tenders. They were also delivered with reverse running in mind, with a weatherboard mounted on the tender front to protect the crew from the elements when running tender first. These weatherboards were later removed, possibly when a turntable was constructed at the Simon's Town terminal.[1]

South African Railways

File:CGR 3rd Class 4-4-0 1901 no. 9.jpg
Wynberg tender no. 09, c. 1920

When the Union of South Africa was established on 31 May 1910, the three Colonial government railways (CGR, Natal Government Railways and Central South African Railways) were united under a single administration to control and administer the railways, ports and harbours of the Union. Although the South African Railways and Harbours 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.[4][5]

In 1912, the six locomotives were considered obsolete by the SAR, designated Class 03 and renumbered by having the numeral "0" prefixed to their existing numbers. In SAR service, they continued to work Cape Town's suburban trains. Despite being considered obsolete, all six engines survived until c. 1918, when two were withdrawn from service. The other four survived in service until after 1931.[2][3][5]

Works numbers

The works numbers, original numbers and renumbering of the Cape 3rd Class of 1901 are listed in the table.[1][5]

References

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  2. 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
  3. 3.0 3.1 Espitalier, T.J.; Day, W.A.J. (1944). The Locomotive in South Africa - A Brief History of Railway Development. Chapter II - The Cape Government Railways (Continued). South African Railways and Harbours Magazine, January 1944. pp. 9-12.
  4. The South African Railways - Historical Survey. Editor George Hart, Publisher Bill Hart, Sponsored by Dorbyl Ltd., Published c. 1978, p. 25.
  5. 5.0 5.1 5.2 Classification of S.A.R. Engines with Renumbering Lists, issued by the Chief Mechanical Engineer's Office, Pretoria, January 1912, p. 26. (Reprinted in April 1987 by SATS Museum, R.3125-6/9/11-1000)