NZASM 10 Tonner 0-4-0T - Train - railroad.wikisort.org

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The NZASM 10 Tonner 0-4-0T of 1889 was a South African steam locomotive from the pre-Union era in Transvaal.

NZASM 10 Tonner 0-4-0T

NZASM 10 Tonner tram locomotive, c. 1890

Type and origin
Power type	Steam
Designer	Machinefabriek Breda v/h Backer & Rueb
Builder	Louis Smulders & Co., Utrecht
Serial number	68, 69, 72
Build date	1889-1890
Total produced	3

Specifications
Configuration:
• Whyte	0-4-0T
• UIC	Bn2t
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Coupled dia.	29+3⁄4 in (756 mm)
Wheelbase	4 ft 11+1⁄16 in (1,500 mm)
Length:
• Over couplers	15 ft (4,572 mm)
Height	10 ft 6 in (3,200 mm)
Frame type	Plate
Axle load	5 LT 2 cwt 1 qtr (5,195 kg)
• 1st coupled	5 LT 2 cwt 1 qtr (5,195 kg)
• 2nd coupled	5 LT 2 cwt 1 qtr (5,195 kg)
Loco weight	10 LT 4 cwt 2 qtr (10,390 kg)
Fuel type	Coal
Firebox type	Round-top
• Firegrate area	2.53 sq ft (0.235 m²)
Boiler:
• Pitch	5 ft 6+1⁄2 in (1,689 mm)
• Diameter	2 ft 10+23⁄32 in (882 mm)
• Tube plates	4 ft 3+3⁄16 in (1,300 mm)
• Small tubes	73 tubes
Cylinders	Two
Cylinder size	7+2⁄25 in (180 mm) bore 11+4⁄5 in (300 mm) stroke
Valve gear	Joy
Valve type	Slide
Couplers	Johnston link-and-pin

Career
Operators	Delagoa Bay Railway NZASM
Class	NZASM 10 Tonner
Number in class	3
Numbers	Delagoa 50-52 NZASM 6-8
Official name	10 Tonner
Delivered	1889-1890
First run	1890

In 1889 and 1890, the Nederlandsche-Zuid-Afrikaansche Spoorweg-Maatschappij obtained three 0-4-0T tramway steam locomotives for use on the new line from Johannesburg to Boksburg which became known as the Randtram line. Since the railway classified its locomotives according to their weight, these tank locomotives were known as the 10 Tonners.[1][2]

The Randtram line

As a result of the rapid development of the goldfields on the Witwatersrand in the 1880s and the demand for coal by the growing industry, a concession was granted by the Zuid-Afrikaansche Republiek (ZAR) government to the Nederlandsche-Zuid-Afrikaansche Spoorweg-Maatschappij (Netherlands-South African Railway Company, NZASM) on 20 July 1888 to construct a 16-mile long (26-kilometre) railway from Johannesburg to Boksburg. The railway, which was opened on 17 March 1890 with the first train being hauled by a 14 Tonner locomotive, became known as the Randtram, even though it was actually a railway in every aspect and not singularly dedicated to tram traffic. This was the first working railway line in Transvaal.[1][2][3][4]

The concession was extended the following year to continue the line eastwards to Springs, where coal was known to exist, and westwards via Roodepoort to Krugersdorp. The entire 49-mile long (79-kilometre) railway was opened to traffic on 10 February 1891.[1][2]

Manufacturer

In 1889 and 1890, motive power for the tramway service on the Randtram line was obtained from the Machinefabriek Breda voorheen Backer & Rueb (Breda machine factory, formerly Backer & Rueb). It consisted of three 0-4-0T tramway steam locomotives, which were built by Louis Smulders & Co. in Utrecht in the Netherlands. Since the NZASM classified its locomotives according to their weight, these tramway locomotives were known as 10 Tonners.[1][5][6]

Characteristics

The locomotive was a smaller and less ornate version of the range of rectangular steam tram locomotives which were produced by Machinefabriek Breda from the later 1800s into the first decades of the 20th century. They were nicknamed Backertjes in the Netherlands.[6][7]

The compact little locomotive was completely enclosed and the chimney extended through the roof. The inclined cylinders were arranged between the plate frames, while the slide valves above the cylinders were arranged horizontally and actuated by Joy valve gear. The regulator handle was fitted to the side of the steam dome and controlled from that position, while the firebox door was also arranged on the side of the firebox.[2]

Numbering conundrum

Instead of the NZASM 10 Tonner engine numbers in the range from 6 to 8, the Machinefabriek Breda works list recorded them as Delagoa Bay Railway numbers 50 to 52. While one source described these locomotives as having begun their service life on the Randtram line and having later been transferred to the Delagoa Bay Railway in Mozambique, the manufacturer's works list suggests that it was probably the other way around.[1][5]

This seems to be borne out by another source, according to which the engines only entered service on the Randtram line in 1891.[2]

A similar anomaly exists in respect of the six NZASM 18 Tonner locomotives which were acquired from Manning Wardle and Company in 1890. They were rostered on the NZASM in the number range from 9 to 14, following on from the 10 Tonner engine numbers. However, the Manning Wardle works records list the 18 Tonners as being numbered in the Delagoa Bay Railway number range from 53 to 58, following on from the Delagoa engine numbers for the 10 Tonners. Furthermore, a Manning Wardle builder's picture of an 18 Tonner shows it bearing the Delagoa Bay Railway engine number 57.[1][8][9]

At the time the first 10 Tonners and 18 Tonners entered service in March and April 1890, the Randtram line where the 10 Tonners were to be placed in service, had just been opened, with the first train being hauled by a 14 Tonner locomotive. The extensions of the Randtram line towards the east to Springs and towards the west via Roodepoort to Krugersdorp were still in progress.[3]

It appears, therefore, that the 10 Tonners and 18 Tonners initially entered service on, or were at least delivered to, the Delagoa Bay Railway and were only rostered on the NZASM at a later stage.[2][9]

Service

All railway operations in the two Boer Republics, the ZAR and the Orange Free State, were taken over by the Imperial Military Railways (IMR) during the Second Boer War. The 10 Tonners do not appear in the renumbering lists of the IMR or its successor, the Central South African Railways (CSAR).[10]

Works numbers

The NZASM 10 Tonner works numbers and renumbering are shown in the table.[1]

**NZASM 10 Tonner 0-4-0T**
Works no.	Delagoa no.	NZASM no.
68	50	6
69	51	7
72	52	8

References

Wikimedia Commons has media related to NZASM 10 Tonner 0-4-0T.

Holland, D.F. (1971). Steam Locomotives of the South African Railways. Vol. 1: 1859–1910 (1st ed.). Newton Abbott, England: David & Charles. pp. 109–112. ISBN 978-0-7153-5382-0.
Espitalier, T.J.; Day, W.A.J. (1944). The Locomotive in South Africa - A Brief History of Railway Development. Chapter IV - The N.Z.A.S.M.. South African Railways and Harbours Magazine, October 1944. pp. 762, 764.
The South African Railways - Historical Survey (Editor George Hart, Publisher Bill Hart, Sponsored by Dorbyl Ltd, Circa 1978)
A South African Railway History
De Pater, A.D. (1970). The locomotives built by 'Machinefabriek "Breda" voorheen Backer & Rueb'. Brill Archive. p. 54.
Google books extract from The locomotives built by 'Machinefabriek "Breda" voorheen Backer & Rueb'
Machinefabriek Breda - Activiteiten
Harman, Fred W. (1999). The Locomotives Built by Manning Wardle & Company – Volume 1 Narrow Gauge, (1st ed.). Toddington, Beds: Century Locoprints. p. 51. ISBN 978-0953531301.
18 Tonner Information supplied by John Nicholas Middleton
10, 14 and 18 Tonner Information supplied by John Nicholas Middleton

v t e 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 4-6-4RT 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 0-4-0VB Table Bay 0-4-0ST Table Bay 0-4-0T Table Bay 0-4-0WT
Standard 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
Cape gauge Tank engines	CGR 0-4-0ST 1873 CGR 0-4-0ST 1874 CGR 0-4-0ST 1881 CGR 0-4-0ST 1881 Coffee Pot CGR 0-6-0ST CGR 0-6-0T 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 CGR 1st Class 4-4-0T CGR 2nd Class 4-4-0T CGR 3rd Class 2-6-0T CGR Railmotor CSAR Class C CSAR Class E CSAR Rack 4-6-4RT CSAR Railmotor Durban's Congella Durban's Edward Innes Durban's John Milne Durban's Sir Albert Port Elizabeth 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 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 Railmotor SAR Dock 0-4-0ST SAR Dock 0-4-0T SWA 2-8-0T
Cape gauge Tender engines	CGR 1st Class 2-6-0 1876 BP 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 CGR 1st Class 4-4-0TT CGR 2nd Class 2-6-2TT 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 1882 Joy CGR 4th Class 4-6-0TT 1884 CGR 5th Class 4-6-0 1890 CGR 5th Class 4-6-0 1891 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 1928 SAR Class 16DA 1930 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 SWA 2-8-0
Cape 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 John King & Miner Cape Copper Britannia Cape Copper Caledonia Cape Copper Clara Cape Copper Condenser Cape Copper Scotia Namaqua Copper Pioneer Walvis Bay 2-4-2T Hope
2' & 600mm gauges	ACR Class NG-G16A CGR NG 0-4-0T CGR NG 0-6-0T CGR NG 4-6-2T CGR Type A 2-6-4T CGR Type C 0-4-0T NGR Class N 4-6-2T SAR Dutton SAR NG 0-4-0T 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 SWA Class Ha SWA Class Hb SWA Class Hc SWA Class Hd SWA Jung SWA Zwillinge

Electric

Amcoal Class E38

SAR Class ES
SAR Class ES1
SAR Class Exp-AC
SAR Class 1E
SAR Class 2E
SAR Class 3E
SAR Class 4E
SAR Class 5E s1
SAR Class 5E s2
SAR Class 5E s3
SAR Class 5E1 s1
SAR Class 5E1 s2
SAR Class 5E1 s3
SAR Class 5E1 s4
SAR Class 5E1 s5
SAR Class 6E
SAR Class 6E1 s1
SAR Class 6E1 s2
SAR Class 6E1 s3
SAR Class 6E1 s4
SAR Class 6E1 s5
SAR Class 6E1 s6
SAR Class 6E1 s7
SAR Class 6E1 s8
SAR Class 6E1 s9
SAR Class 6E1 s10
SAR Class 6E1 s11
SAR Class 7E
SAR Class 7E1
SAR Class 7E2 s1
SAR Class 7E2 s2
SAR Class 7E3 s1
SAR Class 7E3 s2
Spoornet Class 7E4
SAR Class 8E
SAR Class 9E s1
SAR Class 9E s2
SAR Class 10E
SAR Class 10E1 s1
Spoornet Class 10E1 s2
SAR Class 10E2
SAR Class 11E
SAR Class 12E
Spoornet Class 14E
Spoornet Class 14E1
TFR Class 15E
Spoornet Class 16E
Spoornet Class 17E
Spoornet Class 18E s1
TFR Class 18E s2
TFR Class 19E
TFR Class 20E
TFR Class 21E
TFR Class 22E
TFR Class 23E

Gas-electric

SAR Gas-electric

Diesel

Cape 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 TFR Class 35-800 SAR Class 36-000 SAR Class 36-200 SAR Class 37-000 Spoornet Class 39-000 TFR Class 39-200 TFR Class 43-000 TFR Class 44-000 TFR Class 45-000
2' gauge Diesel-electric	SAR Class 91-000
Cape gauge Diesel-hydraulic	SAR Class 61-000
Cape gauge Electro-diesel	Spoornet Class 38-000

List of South African locomotive classes
South African locomotive numbering and classification

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