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Specifications
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C n2, later 2′C h2
Leading dia.	3 ft 7+1⁄4 in (1.099 m)
Coupled dia.	6 ft 1+1⁄4 in (1.861 m)
Wheelbase	50 ft 8+1⁄4 in (15.450 m)
• Engine	26 ft 0+1⁄2 in (7.938 m)
• Tender	12 ft 8 in (3.861 m)
Length	61 ft 0+3⁄4 in (18.612 m)
Axle load	19.70 long tons (20.02 t)
Adhesive weight	48.10 long tons (48.87 t)
Loco weight	64.30 long tons (65.33 t)
Tender weight	43.50 long tons (44.20 t)
Total weight	107.80 long tons (109.53 t)
Fuel capacity	5.00 long tons (5.08 t)
Water cap.	3,940 imp gal (17,900 L; 4,730 US gal)
Firebox:
• Grate area	23 sq ft (2.1 m2)
Boiler	LNER diagram 54
Boiler pressure	160 psi (1.1 MPa)
Heating surface:
• Firebox	120 sq ft (11 m2)
• Tubes	884 sq ft (82.1 m2)
• Flues	379 sq ft (35.2 m2)
• Total surface	1,659 sq ft (154.1 m2)
Superheater:;
• Type	Schmidt
• Heating area	276 sq ft (25.6 m2)
Cylinders	Two, outside
Cylinder size	20 in × 26 in (508 mm × 660 mm)
Valve gear	Stephenson
Valve type	8+3⁄4-inch (222 mm) piston valves (first 8 built with sides valves, but altered 1901–21)

Type and origin
Type and origin
Power type	Steam
Designer	Wilson Worsdell
Builder	Gateshead Works
Build date	1899–1909
Total produced	40

NER Class S
LNER Class B13
NER Class S ; LNER Class B13
	2010 with the Royal Train (Date and location unknown)
Power type
Type and origin
Power type	Steam
Designer	Wilson Worsdell
Builder	Gateshead Works
Build date	1899–1909
Total produced	40
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C n2, later 2′C h2
Leading dia.	3 ft 7+1⁄4 in (1.099 m)
Coupled dia.	6 ft 1+1⁄4 in (1.861 m)
Wheelbase	50 ft 8+1⁄4 in (15.450 m)
• Engine	26 ft 0+1⁄2 in (7.938 m)
• Tender	12 ft 8 in (3.861 m)
Length	61 ft 0+3⁄4 in (18.612 m)
Axle load	19.70 long tons (20.02 t)
Adhesive weight	48.10 long tons (48.87 t)
Loco weight	64.30 long tons (65.33 t)
Tender weight	43.50 long tons (44.20 t)
Total weight	107.80 long tons (109.53 t)
Fuel capacity	5.00 long tons (5.08 t)
Water cap.	3,940 imp gal (17,900 L; 4,730 US gal)
Firebox:
• Grate area	23 sq ft (2.1 m2)
Boiler	LNER diagram 54
Boiler pressure	160 psi (1.1 MPa)
Heating surface:
• Firebox	120 sq ft (11 m2)
• Tubes	884 sq ft (82.1 m2)
• Flues	379 sq ft (35.2 m2)
• Total surface	1,659 sq ft (154.1 m2)
Superheater:;
• Type	Schmidt
• Heating area	276 sq ft (25.6 m2)
Cylinders	Two, outside
Cylinder size	20 in × 26 in (508 mm × 660 mm)
Valve gear	Stephenson
Valve type	8+3⁄4-inch (222 mm) piston valves (first 8 built with sides valves, but altered 1901–21)
Tractive effort
Performance figures
Tractive effort	19,309 lbf (85.89 kN)
Operators
Career
Operators	North Eastern Railway; London & North Eastern Railway;
Withdrawn	1928–1938
Disposition	All scrapped

The North Eastern Railway Class S (LNER Class B13) was a 4-6-0 type of steam locomotive designed for express passenger workings. The first example was built in 1899. They were very similar to the NER Class S1, except for the smaller wheels of the former.

Design

They were designed to reduce double heading on the East Coast Main Line. However they steamed poorly, with a smaller and shallower grate than was used even by other locomotives at the time (a problem which also affected the B14s and later, the B15s), and the 4-4-0s of the NER Class R quickly replaced them, with the 4-4-2 layout being preferred for later express passenger designs. The class were re-classified as London and North Eastern Railway Class B13 in 1923.

Modifications

The first seven locomotives had slide valves, while the remainder had piston valves. The slide valve engines were later fitted with piston valves. Schmidt superheaters were fitted between 1913 and 1925.^[2]

Numbering

Table of locomotives ^[3]^[4]
NER No.	Date built	Date superheated	Date withdrawn	Notes
2001	Jun 1899	Feb 1916	Jun 1931
2002	Jun 1899	Jul 1924	Jul 1931
2003	Sep 1899	May 1920	Jul 1931
2004	Dec 1899	Apr 1921	Aug 1928
2005	Dec 1899	Nov 1916	Nov 1928
2006	Dec 1899	Apr 1918	Jun 1931
2007	Mar 1900	Jun 1916	Oct 1928
2008	May 1900	Apr 1917	Dec 1929
2009	Jun 1900	Jul 1915	Jul 1931
2010	Jun 1900	Apr 1916	Jul 1931
726	Apr 1906	Nov 1915	Dec 1936
740	Apr 1906	Jul 1914	Sep 1932
757	Apr 1906	Mar 1918	May 1932
760	May 1906	Apr 1915	Mar 1931
761	Jun 1906	Nov 1924	Sep 1934	Transferred to service stock September 1934; superheater removed; renumbered 1699 October 1946; retired May 1951.
763	Jun 1906	Jan 1916	Apr 1929
766	Jun 1906	Dec 1916	Oct 1931
768	Jun 1906	Aug 1918	May 1929
775	Aug 1906	Dec 1920	Aug 1936
1077	Aug 1906	Jun 1918	Nov 1931
738	Jun 1908	Aug 1916	Jul 1938
739	Jun 1908	Feb 1925	Jul 1932
741	Jun 1908	May 1917	Jan 1930
743	Jul 1908	Oct 1917	May 1932
744	Jul 1908	Nov 1915	Dec 1931
745	Aug 1908	Dec 1921	Dec 1931
746	Aug 1908	Mar 1918	Nov 1931
747	Sep 1908	Oct 1920	Aug 1932
748	Sep 1908	Mar 1915	Oct 1938
749	Oct 1908	Nov 1915	Apr 1930
750	Nov 1908	Jan 1915	Nov 1932
751	Nov 1908	Nov 1913	May 1936
752	Nov 1908	Mar 1920	Jun 1934
753	Dec 1908	Nov 1916	Oct 1938
754	Jan 1909	Jul 1922	Dec 1936
755	Jan 1909	Aug 1917	Feb 1934
756	Jan 1909	Nov 1919	Sep 1934
758	Feb 1909	Nov 1915	May 1930
759	Mar 1909	Sep 1923	Oct 1938
762	Mar 1909	Jun 1917	May 1937

Withdrawal

They were withdrawn between 1928 and 1938.

References

^ Boddy et al. 1975, p. 68.
^ "The Worsdell Class B13 (NER Class S) 4-6-0s". LNER Encyclopedia.
^ Boddy et al. 1975, p. 73.
^ "NER/LNER Worsdell "B13" Class 4-6-0". BRDatabase.

Boddy, M. G.; Brown, W. A.; Fry, E. V.; Hennigan, W.; Hoole, Ken; Manners, F.; Neve, E.; Platt, E. N. T.; Proud, P.; Yeadon, W. B. (March 1975). Fry, E. V. (ed.). Locomotives of the L.N.E.R., Part 2B: Tender Engines—Classes B1 to B19. Lincoln: RCTS. ISBN 0-901115-73-8.