GER Class T18

GER Class T18
LNER Class J66

Class T18 locomotive No. 275

Type and origin
Power type	Steam
Designer	James Holden
Builder	Stratford Works
Build date	1886–1888
Total produced	50
Rebuild date	1898–1908

Specifications
Configuration	0-6-0T
UIC class	C n2t
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm)
Driver dia.	4 ft 0 in (1.219 m)
Wheelbase	13 ft 4 in (4.06 m)
Length	28 ft 2 ¹⁄₂ in (8.60 m) over buffers
Loco weight	40 long tons 5.75 cwt (90,200 lb or 40.9 t)
Fuel type	Coal
Fuel capacity	2 long tons 10 cwt (5,600 lb or 2.5 t)
Water cap	1,000 imp gal (4,550 l; 1,200 US gal)
Firebox: • Firegrate area	12.4 sq ft (1.15 m²)
Boiler pressure	Originally: 140 lbf/in² (0.97 MPa) later: 160 lbf/in² (1.10 MPa)
Heating surface	987.4 sq ft (91.73 m²)
Cylinder size	16 ¹⁄₂ in × 22 in (419 mm × 559 mm)
Valve gear	Stephenson
Valve type	Slide valves

Performance figures
Tractive effort	16,970 lbf (75.49 kN)

Career
Operators	GER » LNER » BR
Class	GER: T18 LNER: J66
Power class	BR: 2F
Axle load class	LNER/BR: Route Availability 3
Withdrawn	1936–1955
Disposition	All scrapped

The GER Class T18 was a class of fifty 0-6-0 tank steam locomotives designed by James Holden for the Great Eastern Railway. They passed to the London and North Eastern Railway at the grouping in 1923 and received the LNER classification J66.

Overview

When James Holden took office on the Great Eastern, there were few 0-6-0T locomotives, most shunting being done by 0-4-4T and obsolete tender locomotives.

These small locomotives had 16 ¹⁄₂-by-22-inch (419 by 559 mm) cylinders, 4-foot-0-inch (1.219 m). coupled wheels and a grate area of 12.4 sq ft (1.15 m²). They were rebuilt between 1898 and 1908.^[1]

Table of orders and numbers^[2]
Year	Order	Builder	Quantity	GER Nos.	LNER Nos.
1886	T18	Stratford Works	10	275–284	7275–7284
1887	K19	Stratford Works	20	285–304	7285–7304
1888	H21	Stratford Works	10	307–316	7307–7316
1888	T21	Stratford Works	10	317–326	7317–7326

No. 8387 at March Locomotive Depot 17 July 1946.

Withdrawals started in 1936 when four (7278, 7287, 7303 and 7308) were sold to Sir Robert McAlpine and Son, the latter concern also having five on loan from late 1936 to mid-1938. Three others were sold, with No. 297 going to the Mersey Railway in 1939 as their No. 3 to work ballast trains. By the end of 1940, thirty-one had been withdrawn, and the remaining 19 locomotives continued with no further retirements until 1950. In the LNER 1944 renumbering plan, the locomotives were renumbered 8370–8388. Withdrawal restarted in 1950 and all were gone by the end of 1955.

In 1952, Three locomotives, 8370 and 8378, and 8382 were transferred to the service list as 32, 36, and 31 respectively.

References

Notes

↑ Allen et al. 1970, pp. 73–77
↑ Aldrich 1969, p. 100.

Bibliography

Aldrich, C. Langley (1969). The Locomotives of the Great Eastern Railway 1862–1962 (7th ed.). Wickford, Essex: C. Langley Aldrich. OCLC 30278831.
Allen, D. W.; Boddy, M. G.; Brown, W. A.; Fry, E. V.; Hennigan, W.; Manners, F.; Neve, E.; Proud, P.; Roundthwaite, T. E.; Tee, D. F.; Yeadon, W. B. (November 1970). Fry, E. V., ed. Locomotives of the L.N.E.R., part 8A: Tank Engines - Classes J50 to J70. Kenilworth: RCTS. ISBN 0-901115-05-3.

External links

Wikimedia Commons has media related to GER Class T18 / LNER Class J66.

J. Holden locomotives — Great Eastern Railway Society
The Holden J66 (GER Class T18) 0-6-0T Locomotives — LNER Encyclopedia

Great Eastern Railway locomotives

R. Sinclair (1862–1866)	Z Y X W V

S. W. Johnson (1866–1876)	No. 1 125 201 202 417 204 109 477 T7 200 134 C8

Wm. Adams (1873–1878)	209 61 K9 230 527

M. Bromley (1878–1881)	E10 245 140 M12 552

T. W. Worsdell (1881–1885)	G14 Y14 G15 M15 G16

J. Holden (1885–1907)	T18 T19 127 E22 R24 D27 T26 N31 C32 P43 S44 S46 F48 C53 A55 D56 S56 G58

S. D. Holden (1907–1912)	Y65 G69 S69 E72

A. J. Hill (1912–1922)	C72 B74 L77 T77 D81 H88

London and North Eastern Railway locomotives

Pre-grouping railway designs:

Great Central:	A5 B1/B18 B2/B19 B3 B4 B5 B6 B7 B8 B9 C4 C5 C13 C14 D5 D6 D7 D8 D9 D10 D11 D12 E2 E3 E8 F1 F2 G3 J8 J9 J10 J11 J12 J13 J58 J59 J60 J61 J62 J63 L1/L3 M1 N4 N5 N6 O4 O5 Q4 S1 X4 Y2

Great Eastern:	B12 D13 D14 D15 D16 E4 F3 F4 F5 F6 F7 G4 J14 J15 J16 J17 J18 J19 J20 J65 J66 J67 J68 J69 J70 N7 Y4 Y5 Y6 Z4/J92

Great North of Scotland:	D38 D39 D40 D41 D42 D43 D44 D45 D46 D47 D48 G10 J90 J91 Z4 Z5

Great Northern:	A1 C1 C2 C12 D1 D2 D3 D4 E1 G1 G2 J1 J2 J3 J4 J5 J6 J7 J50 J51 J52 J53 J54 J55 J56 J57 K1 K2 K3 N1 N2 O1 O2 Q1 Q2 Q3 R1

North British:	C10 C11 C15 C16 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 D36 D50 D51 E7 G7 G8 G9 J31 J32 J33 J34 J35 J36 J37 J81 J82 J83 J84 J85 J86 J88 N14 N15 Y9 Y10

North Eastern:	A2 A6 A7 B13 B14 B15 B16 C6 C7 C8 D17/1 D17/2 D18 D19 D20 D21 D22 D23 E5 E6 F8 G5 G6 H1 J21 J22 J24 J25 J26 J27 J71 J72 J73 J74 J76 J77 J78 J79 N8 N9 N10 Q5 Q6 Q7 T1 X1 X2 X3 Y7 Y8 EB1 EE1 EF1 ES1

North Eastern (ex Hull & Barnsley)	D24 J23 J28 J75 J80 N11 N12 N13 Q10

LNER designs:

Gresley (1923–1941):	A1 A3 A4 A8 B17 D49 J38 J39 J50 K4 P1 P2 U1 V1 V2 V3 V4 W1 EM1

Thompson (1941–1946):	A1 A2/1 A2/2 A2/3 B1 B2 K1 K5 L1 O1 Q1

Peppercorn (1946–1947):	A1 A2 K1

Other designs:

Proposed designs:

P10 2-8-2T (Nov 1929)
B 4-6-0 (Nov 1936)
? 4-8-2 (1939)
Q 0-8-0 (June 1930)
D 4-4-0 (1943)
? 4-8-4 (Feb 1946)
? 4-8-2 (Feb 1946)
K 2-6-0 (Aug 1947)

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