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Specifications
Specifications
Configuration:;
• Whyte	0-6-0ST (Six-coupled)
• UIC	Cn2t
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Coupled dia.	36 in (914 mm)
Wheelbase	7 ft 6 in (2,286 mm)
• Axle spacing; (Asymmetrical)	1-2: 4 ft (1,219 mm); 2-3: 3 ft 6 in (1,067 mm)
Length:;
• Over couplers	20 ft 11 in (6,375 mm)
• Over beams	18 ft 6 in (5,639 mm)
Height	10 ft 8 in (3,251 mm)
Adhesive weight	43,792 lb (19,864 kg)
Loco weight	43,792 lb (19,864 kg)
Fuel type	Coal
Fuel capacity	15 long hundredweight (0.8 t)
Water cap.	450 imp gal (2,050 L)
Firebox:
• Type	Round-top
• Grate area	7 sq ft (0.65 m2)
Boiler:;
• Pitch	5 ft (1,524 mm)
• Diameter	3 ft 2 in (965 mm) outside
• Tube plates	7 ft 6+1⁄2 in (2,299 mm)
• Small tubes	97: 1+7⁄8 in (48 mm)
Boiler pressure	130 psi (896 kPa)
Heating surface:
• Firebox	39 sq ft (3.6 m2)
• Tubes	353 sq ft (32.8 m2)
• Total surface	392 sq ft (36.4 m2)
Cylinders	Two
Cylinder size	12 in (305 mm) bore; 18 in (457 mm) stroke
Valve gear	Stephenson
Couplers	Johnston link-and-pin

Type and origin
Type and origin
Power type	Steam
Designer	Hunslet Engine Company
Builder	Hunslet Engine Company
Serial number	249
Build date	1880

NGR Class K 0-6-0ST
NGR Class K 0-6-0ST
	NGR Class K locomotive no. 15, c. 1880
Power type
Type and origin
Power type	Steam
Designer	Hunslet Engine Company
Builder	Hunslet Engine Company
Serial number	249
Build date	1880
Configuration:;
Specifications
Configuration:;
• Whyte	0-6-0ST (Six-coupled)
• UIC	Cn2t
Driver	2nd coupled axle
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Coupled dia.	36 in (914 mm)
Wheelbase	7 ft 6 in (2,286 mm)
• Axle spacing; (Asymmetrical)	1-2: 4 ft (1,219 mm); 2-3: 3 ft 6 in (1,067 mm)
Length:;
• Over couplers	20 ft 11 in (6,375 mm)
• Over beams	18 ft 6 in (5,639 mm)
Height	10 ft 8 in (3,251 mm)
Adhesive weight	43,792 lb (19,864 kg)
Loco weight	43,792 lb (19,864 kg)
Fuel type	Coal
Fuel capacity	15 long hundredweight (0.8 t)
Water cap.	450 imp gal (2,050 L)
Firebox:
• Type	Round-top
• Grate area	7 sq ft (0.65 m2)
Boiler:;
• Pitch	5 ft (1,524 mm)
• Diameter	3 ft 2 in (965 mm) outside
• Tube plates	7 ft 6+1⁄2 in (2,299 mm)
• Small tubes	97: 1+7⁄8 in (48 mm)
Boiler pressure	130 psi (896 kPa)
Heating surface:
• Firebox	39 sq ft (3.6 m2)
• Tubes	353 sq ft (32.8 m2)
• Total surface	392 sq ft (36.4 m2)
Cylinders	Two
Cylinder size	12 in (305 mm) bore; 18 in (457 mm) stroke
Valve gear	Stephenson
Couplers	Johnston link-and-pin
Tractive effort
Performance figures
Tractive effort	7,020 lbf (31.2 kN) @ 75%
Operators
Career
Operators	Natal Government Railways
Class	Class K
Number in class	1
Numbers	15
Delivered	1880
First run	1880
	The 2nd coupled axle had flangeless wheels

The Natal Government Railways Class K 0-6-0ST of 1880 was a South African steam locomotive from the pre-Union era in the Colony of Natal.

In 1880, the Natal Government Railways placed a single 0-6-0 saddle-tank locomotive in service. It was virtually identical to the Harbour Board of Natal's locomotive John Milne of 1879 and was built by the same manufacturer. During 1905 or 1906, the locomotive was designated NGR Class K.^[1]^[2]^[3]^[4]

Manufacturer

In 1880, the Natal Government Railways (NGR) placed an order for a single 0-6-0 saddle-tank locomotive with Hunslet Engine Company in Leeds. It was virtually identical to the engine John Milne which had been supplied to the Harbour Board of Natal from the same manufacturer in 1879, having been built to the same design, but with some differences in detail such as those visible on the sides of their respective smokeboxes. The locomotive was numbered 15 in the NGR number range, following on from the numbers allocated to the NGR's first batch of Kitson-built Class G 2-6-0T locomotives of 1879.^[1]^[2]^[3]^[5]^[6]

Service

The NGR's no. 15 was still in service by 1909. During 1905 or 1906, a locomotive classification system was introduced on the NGR and no. 15 became part of Class K, which consisted of a potpourri of different tank locomotive types with different wheel arrangements. The Class included the 0-4-0ST locomotives of 1891 and the surviving three of the 2-6-0T locomotives of 1877.^[4]^[6]

Disposition

It is not known whether the locomotive had been scrapped or sold by 1912. It was no longer in service when the South African Railways (SAR) renumbering and classification was implemented in 1912, since it does not appear in the classification and renumbering lists issued by the SAR Chief Mechanical Engineer in January 1912.^[1]^[7]

References

^ ^a ^b ^c Holland, D. F. (1972). Steam Locomotives of the South African Railways. Vol. 2: 1910-1955 (1st ed.). Newton Abbott, England: David & Charles. pp. 126–127. ISBN 978-0-7153-5427-8.
^ ^a ^b The Railway Report for year ending 31 Dec. 1904, Natal Government Railways, Annexure B, Durban, January 1905.
^ ^a ^b NGR Class K of 1879, John Milne & no. 15
^ ^a ^b The Railway Report for year ending 31 Dec. 1906, Natal Government Railways.
^ The Railway Report for year ending 31 Dec. 1880, Natal Government Railways, p. JJ72.
^ ^a ^b The Railway Report for year ending 31 Dec. 1908, Natal Government Railways, p. 39, par 14.
^ 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)