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The NER Class 3CC (LNER Class D19) was a 4-4-0 steam locomotive designed by Wilson Worsdell for the North Eastern Railway and built in 1893. Only one was built (number 1619) and it was a compound expansion version of the simple expansion NER Class M1. The 3CC was originally classified M but was re-classified 3CC in 1914, at the same time as the M1 was re-classified M.

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NER Class M NER Class 3CC LNER Class D19
Type and origin Power type Steam Designer Wilson Worsdell Builder NER Gateshead Build date 1893 Total produced 1 Rebuild date 1898
Specifications Configuration: ​  • Whyte 4-4-0  • UIC New: 2′B n2v Rebuilt: 2′B n3v Gauge 4 ft 8+1⁄2 in (1,435 mm) Leading dia. 3 ft 7+1⁄4 in (1,099 mm) Driver dia. 7 ft 1+1⁄4 in (2,165 mm) Wheelbase Loco: 23 ft 6 in (7.16 m) Tender: 12 ft 8 in (3.86 m) Total: 45 ft 8+3⁄4 in (13.94 m) Axle load 20 long tons 0 cwt (44,800 lb or 20.3 t) Loco weight 53 long tons 6 cwt (119,400 lb or 54.2 t) Tender weight 41 long tons 4 cwt (92,300 lb or 41.9 t) Total weight 94 long tons 10 cwt (211,700 lb or 96 t) Firebox:  • Firegrate area 23.4 sq ft (2.17 m2) Boiler 4 ft 6 in (1.37 m) diameter Boiler pressure 160 psi (1.10 MPa) Heating surface 1,290 sq ft (120 m2)  • Tubes 1,170 sq ft (109 m2)  • Firebox 120 sq ft (11 m2) Cylinders Three: one inside high-pressure; two outside low-pressure High-pressure cylinder 19 in × 26 in (483 mm × 660 mm) Low-pressure cylinder 22 in × 26 in (559 mm × 660 mm) Valve gear Stephenson
Performance figures Tractive effort 14,504 lbf (64.52 kN)
Career Operators NER » LNER Numbers 1619 Withdrawn 1930 Disposition Scrapped

Overview

Number 1619 was built as a Worsdell-von Borries compound with two inside cylinders. In 1898, it was rebuilt as a three-cylinder compound with one inside high-pressure cylinder and two outside low-pressure cylinders, as a test-bed for the development of Walter Mackersie Smith's ideas.

Classification

Aside from its compound expansion, the 3CC was similar to several other NER classes and they are summarised here:

Original NER class	1914 NER class	LNER Class	Cylinders	Driving wheels
M1	M	D17/1	(2) 19″ x 26″	7′ 1¼″
Q	—	D17/2	(2) 19½″ x 26″	7′ 1¼″
Q1	—	D18	(2) 19½″ x 26″	7′ 7¼″
M (new)	—	—	HP (1) 20″ x 26″ LP (1) 28″ x 26″	7′ 1¼″
M (1898)	3CC	D19	HP (1) 19″ x 26″ LP (2) 20″ x 26″	7′ 1¼″

• HP = high-pressure cylinder, LP = low-pressure cylinders

Operations

Around 1907 the Class 3CC locomotive was allocated from the Leeds area to Hull Botanic Gardens engine shed where it generally worked fast trains between Hull Paragon railway station and Bridlington. In 1926 it was transferred to Bridlington although its duties remained unchanged until withdrawal in October 1930.[1]

Accident

On 31 March 1920, the Class 3CC locomotive was derailed at York station whilst hauling a passenger train.[2]

Legacy

Number 1619 was a one-off but W. M. Smith went on to develop a four-cylinder compound system in the NER Class 4CC (LNER Class C8) 4-4-2 locomotive. Number 1619 was withdrawn in 1930 and was not preserved.

Smith's three-cylinder compound system was also used in the Great Central Railway classes 8D and 8E (LNER Class C5) 4-4-2s and achieved its greatest success in the Midland Railway 1000 Class and the LMS Compound 4-4-0. The Great Northern Railway (Ireland)'s class V was also a Smith compound.

References

Sources

• Yeadon, W B (1995). More illustrated history of the railways of Hull. Nottingham, UK: Callenger Publications. p. 72. ISBN 1-899624-25-2.

Further reading

• Baxter, Bertram (1986). Baxter, David (ed.). British Locomotive Catalogue 1825–1923, Volume 5A: North Eastern Railway, Hull and Barnsley Railway. Ashbourne, Derbyshire: Moorland Publishing. pp. 166–167. ISBN 0-903485-54-0.
• Van Riemsdijk, J.T. (1994). Compound Locomotives: An International Survey. Penryn: Atlantic Transport Publishers. pp. 26–27. ISBN 0-906899-61-3.
• LNER Encyclopedia
• Steffan, Hans (April 1915). "Neuere Englische Dreizylinder-Verbundlokomotiven". Die Lokomotive (in German). Vienna: 75–80.

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