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NER Class M NER Class 3CC LNER Class D19
Type and origin Power type Steam Designer Wilson Worsdell Builder NERGateshead 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 ft7+1⁄4 in (1,099 mm) Driver dia. 7 ft1+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 ft8+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: ​  • Grate 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: ​  • Firebox 120 sq ft (11 m2)  • Tubes 1,170 sq ft (109 m2)  • Total surface 1,290 sq ft (120 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Career Operators NER »LNER Numbers 1619 Withdrawn 1930 Disposition Scrapped

TheNER Class 3CC (LNER Class D19) was a4-4-0steam locomotive designed byWilson Worsdell for theNorth Eastern Railway and built in 1893. Only one was built (number 1619) and it was acompound expansion version of the simple expansionNER Class M1. The 3CC was originally classifiedM but was re-classified3CC in 1914, at the same time as theM1 was re-classifiedM.

Number 1619 was built as aWorsdell-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 ofWalter Mackersie Smith's ideas.

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

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

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

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

Number 1619 was a one-off but W. M. Smith went on to develop a four-cylinder compound system in theNER 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 theGreat Central Railway classes 8D and 8E (LNER Class C5) 4-4-2s and achieved its greatest success in theMidland Railway 1000 Class and theLMS Compound 4-4-0. TheGreat Northern Railway (Ireland)'s class V was also a Smith compound.

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

• 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.

• North Eastern Railway locomotives
• 4-4-0 locomotives
• 2′B n2v locomotives
• Three-cylinder compound steam locomotives
• Railway locomotives introduced in 1893
• Scrapped locomotives
• Standard-gauge steam locomotives of Great Britain
• 2′B n3v locomotives
• Passenger locomotives in the United Kingdom
• Unique locomotives

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