South African type XF tender

Type XF tender (6 LT) on CSAR Class 8-L2

Type and origin
♠ 6 long tons coal capacity ♥ 10 long tons coal capacity ♣ 11¾ long tons coal capacity
Locomotive	♥ IMR 8th Class ♥ CGR 8th Class of 1902 (3rd) ♥ CSAR Class 8-L2 ♥ CSAR Class 8-L3 ♠ SAR Class ME
Designer	Cape Government Railways (H.M. Beatty)
Builder	♥ Neilson, Reid and Company ♠♥ North British Locomotive Co. ♥ Sharp, Stewart and Company
In service	♠♥ 1902-1912
Rebuilt from	Types XC, XD, XE1

Specifications
Configuration	2-axle bogies
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Length	22 ft 3 ¹⁄₈ in (6,785 mm)
Wheel dia.	33 ¹⁄₂ 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	♠ 9 LT 14 cwt (9,856 kg) ♥ 11 LT 3 cwt 2 qtr (11,350 kg) ♣ 12 LT 1 cwt (12,240 kg)
• Front bogie	♠ 18 LT 4 cwt (18,490 kg) ♥♣ 20 LT 14 cwt (21,030 kg)
• Rear bogie	♠ 19 LT 8 cwt (19,710 kg) ♥ 22 LT 7 cwt (22,710 kg) ♣ 24 LT 2 cwt (24,490 kg)
Weight empty	♥ 44,032 lb (19,973 kg)
Weight w/o	♠ 37 LT 12 cwt (38,200 kg) ♥ 43 LT 1 cwt (43,740 kg) ♣ 44 LT 16 cwt (45,520 kg)
Fuel type	Coal
Fuel cap.	♠ 6 LT (6.1 t) ♥ 10 LT (10.2 t) ♣ 11 LT 15 cwt (11.9 t)
Water cap.	♠♥♣ 3,000 imp gal (13,600 l)
Stoking	Manual
Couplers	Drawbar & Bell link-and-pin Drawbar & AAR knuckle (1950s)

Career
Operators	Imperial Military Railways Cape Government Railways Central South African Railways South African Railways
Numbers	SAR 1082-1191, 1618

Main article: South African steam locomotive tenders

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

The Type XF tender first entered service in 1902, as tenders to the 8th Class 4-8-0 Mastodon type steam locomotives which were acquired by the Imperial Military Railways in that year. These locomotives were designated Class 8A on the South African Railways in 1912.^[1]^[2]^[3]

Manufacturers

Type XF tenders were built between 1901 and 1912 by Neilson, Reid and Company, North British Locomotive Company and Sharp, Stewart and Company.^[1]^[2]^[3]

The original 8th Class locomotive and tender was designed in 1901 by H.M. Beatty, the Chief Locomotive Superintendent of the Cape Government Railways (CGR), at its Salt River works in Cape Town. The Type XF first entered service in 1902, as tender to the forty 8th Class locomotives which were built for the Imperial Military Railways (IMR) by Neilson, Reid and Sharp, Stewart.^[1]^[2]^[3]

Between 1903 and 1912, Type XF tenders were also delivered as tenders to the third batch of the CGR 8th Class of 1902 which entered service on the Eastern System, the Classes 8-L2 and 8-L3 of the Central South African Railways (CSAR) and the Class ME of the South African Railways (SAR).^[2]^[3]^[4]

Classification

Since many tender types are interchangeable between different locomotive classes and types, a tender classification system was adopted by the SAR and these tenders were designated Type XF.^[1]^[3]^[5]

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.^[5]

Five locomotive classes were delivered new with Type XF tenders, built by three manufacturers. Bearing in mind that tenders could and did migrate between engines, the tenders should have been renumbered in the SAR number blocks as shown.^[2]^[3]^[4]^[5]

1902: IMR 8th Class, SAR Class 8A, numbers 1092 to 1131.
1903: CGR 8th Class of 1902, SAR Class 8, third batch, numbers 1082 to 1091.
1903: CSAR Class 8-L2, SAR Class 8B, numbers 1132 to 1161.
1903: CSAR Class 8-L3, SAR Class 8C, numbers 1162 to 1191.
1912: SAR Class ME, number 1618.^[3]^[5]

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 "_F" tenders had a capacity of 3,000 imperial gallons (13,600 litres).^[3]

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

Modification and rebuilding

Since SAR tender type classification is based on the classes of engines to which it can be coupled and its water capacity, tenders of the same type can be completely different in appearance, which makes it difficult to identify many tender types by physical appearance. In the case of the Type XF, some of the tenders were built new as Type XF and often subsequently modified, while some were rebuilt with larger capacity water tanks, which promoted them from other types to Type XF.^[2]^[3]

Modification

Pictures of most of these locomotives in service show them with a modified tender with built-up sides to the coal bunker, to increase the coal capacity. Early versions of the built-up coal bunker sides were in the form of a slatted open-top cage, made of rectangular steel rods. Later versions were constructed of sheet-metal. By 1941, only tender no. 1618 of the sole Class ME Mallet locomotive was still shown in the SAR Locomotive Diagram Book as having a 6 long tons (6.1 tonnes) coal capacity.^[2]^[3]

Rebuilding

Between 1912 and 1941, probably c. 1930, some redundant Type XC tenders from Class 10C locomotives, some Type XD tenders from Classes 6H, 6J and 8, and some Type XE1 tenders from Classes 8, 8D, 8E, 8F, 8Y, 8Z and Experimental 4, were completely rebuilt by the SAR, by mounting a completely new upper structure on the existing underframe. Since their new tanks increased their water capacity to 3,000 imperial gallons (13,600 litres), these tenders were reclassified to Type XF. Most of these rebuilt tenders had a coal capacity of 10 long tons (10.2 tonnes), but some had coal bunkers with a 11 long tons 15 hundredweight (11.9 tonnes) capacity. These rebuilt tenders had a more modern appearance, with smooth sides all the way to the top.^[2]^[3]

Type XF with slatted top on CSAR Class 8-L1, c. 1910
Type XF with sheet-metal top on SAR Class 8A, 2005

References

1 2 3 4 Holland, D.F. (1971). Steam Locomotives of the South African Railways, Volume 1: 1859-1910 (1st ed.). Newton Abbott, Devon: David & Charles. pp. 124–126. ISBN 978-0-7153-5382-0.
1 2 3 4 5 6 7 8 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.
1 2 3 4 5 6 7 8 9 10 11 12 13 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.
1 2 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, 21–22. ISBN 978-0-7153-5427-8.
1 2 3 4 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)

South African steam locomotive tenders

Cape gauge	Type LP Type MP1 Type MR Type SH Type SK Type TJ Type TL Type TM Type WE Type WG Type XC Type XC1 Type XD Type XE Type XE1 Type XF Type XF2 Type XJ Type XM Type XM1 Type XM2 Type XM3 Type XM4 Type XP1 Type XS Type YB Type YC Type YE Type YE1 Type ZA Type ZB Type ZC Type ZE

List of South African locomotive classes South African locomotive history

Locomotives of the Central South African Railways

3' 6" gauge	CSAR 0-6-0ST 1896 CSAR 4-6-0T 1887 CSAR Class 6-L1 CSAR Class 6-L2 CSAR Class 6-L3 CSAR Class 7 CSAR Class 8-L1 CSAR Class 8-L2 CSAR Class 8-L3 CSAR Class 9 CSAR Class 10 1904 CSAR Class 10 1910 CSAR Class 10-2 Saturated CSAR Class 10-2 Superheated CSAR Class 10-C CSAR Class 11 CSAR Class B 0-6-4T CSAR Class C 2-8-4T CSAR Class D CSAR Class E 4-8-0TT CSAR Class E 4-8-2T CSAR Class E 4-10-2T CSAR Class F CSAR Class M CSAR Mallet Saturated CSAR Mallet Stoker CSAR Mallet Superheated CSAR Rack 4-6-4T CSAR Railmotor IMR 0-6-0ST 1896 IMR 4-6-0T 1887 IMR 46 Tonner 0-6-4T IMR 55 Tonner 2-6-4T IMR 7th Class 4-8-0 IMR 8th Class 4-8-0 IMR Reid Tenwheeler 4-10-2T IMR Western Australian 2-8-4T NZASM 10 Tonner NZASM 13 Tonner NZASM 14 Tonner NZASM 18 Tonner NZASM 19 Tonner NZASM 32 Tonner NZASM 40 Tonner NZASM 46 Tonner OVGS 1st Class 4-4-0TT OVGS 2nd Class 2-6-0 OVGS 2nd Class 2-6-0ST OVGS 3rd Class 4-4-0 OVGS 4th Class G 4-6-0 OVGS 5th Class K 4-6-0 1890 OVGS 5th Class K 4-6-0 1891 OVGS 6th Class L 4-6-0 OVGS 6th Class L2 4-6-0 OVGS 6th Class L3 4-6-0 PPR 0-4-0ST Natal PPR 26 Tonner PPR 35 Tonner Portuguese PPR 55 Tonner

2' gauge	CSAR Pankop

List of South African locomotive classes South African locomotive history

Locomotives of South Africa

Steam

7' ¼" gauge	East London Harbour 0-4-0 Table Bay Harbour 0-4-0ST Table Bay Harbour 0-4-0T Table Bay Harbour 0-4-0WT

4' 8½" gauge	Cape 0-4-0T Blackie Cape 0-4-2 Cape 2-4-0T CGR 0-4-0ST Aid Natal 0-4-0ST Durban Natal 0-4-0WT Natal Natal 4-4-0T Perseverance

3' 6" gauge Tank engines	CGR 0-4-0ST 1873 CGR 0-4-0ST 1874 CGR 0-4-0ST 1881 Coffee Pot CGR 0-6-0ST 1902 CGR 0-6-0T 1876 Back-to-Back CGR 2-6-0ST 1900 CGR 2-6-0ST 1902 CGR 1st Class 0-4-0ST 1875 CGR 1st Class 0-4-0ST 1876 CGR 1st Class 2-6-0ST 1876 CGR 1st Class 4-4-0T 1875 CGR 2nd Class 4-4-0T 1882 CGR 3rd Class 2-6-0T CGR Railmotor CSAR Class C CSAR Class E CSAR Rack CSAR Railmotor DSWA Eight-Coupled Tank 2-8-0T Durban's Congella Durban's Edward Innes Durban's John Milne Durban's Sir Albert Port Elizabeth Harbour 0-4-0ST Kowie Railway 0-6-0T Kowie Railway 4-4-0T Metropolitan & Suburban 4-6-2T NGR 2-6-0T Durban & Pietermaritzburg NGR Class I 2-6-2T NGR Class K 0-4-0ST NGR Class K 0-6-0ST NGR Class K 2-6-0T NZASM 10 Tonner NZASM 13 Tonner NZASM 14 Tonner NZASM 18 Tonner NZASM 19 Tonner NZASM 32 Tonner NZASM 40 Tonner PPR 26 Tonner PPR 35 Tonner Portuguese SAR 0-4-0ST 1903 SAR 0-4-0T no. 69 SAR Class A SAR Class B SAR Class C SAR Class C1 SAR Class C2 SAR Class D SAR Class E SAR Class F SAR Class G SAR Class H SAR Class H1 SAR Class H2 SAR Class J SAR Class K SAR Clayton

3' 6" gauge Tender engines	CGR 1st Class 2-6-0 1876 Beyer, Peacock CGR 1st Class 2-6-0 1876 Kitson CGR 1st Class 2-6-0 1879 CGR 1st Class 2-6-0 1891 CGR 1st Class 4-4-0 1879 CGR 1st Class 4-4-0TT 1881 CGR 2nd Class 2-6-2TT 1875 CGR 3rd Class 4-4-0 1883 CGR 3rd Class 4-4-0 1884 CGR 3rd Class 4-4-0 1889 CGR 3rd Class 4-4-0 1898 CGR 3rd Class 4-4-0 1901 CGR 3rd Class 4-4-0 1903 CGR 4th Class 4-4-2 CGR 4th Class 4-6-0TT 1880 CGR 4th Class 4-6-0TT 1882 CGR 4th Class 4-6-0TT Joy 1882 CGR 4th Class 4-6-0TT 1884 CGR 5th Class 4-6-0 1890 CGR 5th Class 4-6-0 1891 DSWA Eight-Coupled Tender 2-8-0 NGR Havelock NGR Class I SAR Class Exp 1 SAR Class Exp 2 SAR Class Exp 3 SAR Class Exp 4 SAR Class Exp 5 SAR Class Exp 6 SAR Class S SAR Class S1 SAR Class S2 SAR Class 1 SAR Class 1A SAR Class 1B SAR Class 2 SAR Class 2C SAR Class 3 SAR Class 3A SAR Class 3B SAR Class 4 SAR Class 4A SAR Class 5 SAR Class 5A SAR Class 5B SAR Class 6 SAR Class 6A SAR Class 6B SAR Class 6C SAR Class 6D SAR Class 6E SAR Class 6F SAR Class 6G SAR Class 6H SAR Class 6J SAR Class 6K SAR Class 6L SAR Class 6Y SAR Class 6Z SAR Class 7 SAR Class 7A SAR Class 7B SAR Class 7C SAR Class 7D SAR Class 7E SAR Class 7F SAR Class 8 SAR Class 8A SAR Class 8B SAR Class 8C SAR Class 8D SAR Class 8E SAR Class 8F SAR Class 8R SAR Class 8X SAR Class 8Y SAR Class 8Z SAR Class 9 SAR Class 10 SAR Class 10A SAR Class 10B SAR Class 10C SAR Class 10D SAR Class 11 SAR Class 12 SAR Class 12A SAR Class 12B SAR Class 13 SAR Class 14 SAR Class 14A SAR Class 14B SAR Class 14C 1st SAR Class 14C 2nd SAR Class 14C 3rd SAR Class 14C 4th SAR Class 15 SAR Class 15A SAR Class 15B SAR Class 15C SAR Class 15CA SAR Class 15E SAR Class 15F SAR Class 16 SAR Class 16A SAR Class 16B SAR Class 16C SAR Class 16D SAR Class 16DA SAR Class 16E SAR Class 17 SAR Class 18 SAR Class 19 SAR Class 19A SAR Class 19B SAR Class 19C SAR Class 19D SAR Class 20 SAR Class 21 SAR Class 23 SAR Class 24 SAR Class 25 SAR Class 25NC SAR Class 26 SAR Katanga

3' 6" gauge Articulated engines	CGR Fairlie CGR Kitson-Meyer SAR Class FC SAR Class FD SAR Class GA SAR Class GB SAR Class GC SAR Class GCA SAR Class GD SAR Class GDA SAR Class GE SAR Class GEA SAR Class GF SAR Class GG SAR Class GH SAR Class GK SAR Class GL SAR Class GM SAR Class GMA SAR Class GO SAR Class HF SAR Class KM SAR Class MA SAR Class MB SAR Class MC SAR Class MC1 SAR Class MD SAR Class ME SAR Class MF SAR Class MG SAR Class MH SAR Class MJ SAR Class MJ1 SAR Class U

2' 6" gauge	Cape Copper 0-6-0T 1871 Cape Copper Britannia Cape Copper Caledonia Cape Copper Clara Cape Copper Condenser Cape Copper Scotia Namaqua Copper Pioneer

2' & 600mm gauges	ACR Class NG-G16A CGR NG 0-6-0T CGR NG 4-6-2T CGR Type A 2-6-4T CGR Type C 0-4-0T DSWA Class Ha DSWA Class Hb DSWA Class Hc DSWA Class Hd DSWA Jung DSWA Zwillinge NGR Class N 4-6-2T SAR Dutton SAR NG 0-4-0T 1899 SAR Class NG1 SAR Class NG2 SAR Class NG3 SAR Class NG4 SAR Class NG5 SAR Class NG6 SAR Class NG7 SAR Class NG8 SAR Class NG9 SAR Class NG10 SAR Class NG-G11 SAR Class NG-G12 SAR Class NG-G13 SAR Class NG-G14 SAR Class NG15 SAR Class NG-G16

Electric

Amcoal Class E38

Gas-electric

Gas-electric

Diesel

3' 6" gauge Diesel-electric	PRASA Class Afro 4000 SAR Class DS SAR Class DS1 SAR Class 31-000 SAR Class 32-000 SAR Class 32-200 SAR Class 33-000 SAR Class 33-200 SAR Class 33-400 SAR Class 34-000 SAR Class 34-200 SAR Class 34-400 SAR Class 34-500 SAR Class 34-600 SAR Class 34-800 SAR Class 34-900 SAR Class 35-000 SAR Class 35-200 SAR Class 35-400 SAR Class 35-600 SAR Class 36-000 SAR Class 36-200 SAR Class 37-000 Spoornet Class 39-000 TFR Class 35-800 TFR Class 39-200 TFR Class 43-000 TFR Class 44-000

2' gauge Diesel-electric	SAR Class 91-000

3' 6" gauge Diesel-hydraulic	SAR Class 61-000

3' 6" gauge Electro-diesel	Spoornet Class 38-000

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