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Metropolitan Railway G Class
LNER Class M2
Type and origin
Power typeSteam
DesignerCharles Jones
BuilderYorkshire Engine Company
Build date1915
 • Whyte0-6-4T
Gauge4 ft 8+12 in (1,435 mm) standard gauge
Driver dia.5 ft 9 in (1.753 m)
Trailing dia.3 ft 6 in (1.067 m)
Wheelbase28 ft 9 in (8.763 m)
Axle load18.65 long tons (18.95 t; 20.89 short tons)
Loco weight71.05 long tons (72.19 t; 79.58 short tons)
Fuel typeCoal
Fuel capacity4.5 long tons (4.6 t; 5.0 short tons)
Water cap.2,000 imp gal (9,100 L; 2,400 US gal)
 • Firegrate area
21.4 sq ft (1.99 m2)
Boiler pressure160 psi (1.1 MPa)
Heating surface:
 • Tubes
281 sq ft (26.1 m2)
 • Flues281 sq ft (26.1 m2)
 • Firebox142 sq ft (13.2 m2)
 • Heating area197 sq ft (18.3 m2)
Cylinders2 (inside)
Cylinder size20 in × 26 in (508 mm × 660 mm)
Valve gearStephenson
Performance figures
Tractive effort20,498 lbf (91.18 kN) (at 85% pressure)
OperatorsMetropolitan Railway
London and North Eastern Railway
Number in class4
DispositionAll scrapped

The Metropolitan Railway G Class consisted of four 0-6-4T steam locomotives, numbered 94 to 97.[1] They were built by Yorkshire Engine Company in 1915. The class was unusual in carrying names as well as numbers, and were the last Metropolitan steam locomotives to do so.


The G Class were used on various duties on the Metropolitan Railway mainline until 1937 when all four were transferred to the LNER. The LNER numbered them 6154–6157 and classified them as M2 Class. Two survived to the 1946 renumbering.[2]


All were withdrawn and scrapped between 1943 and 1948.

Names and numbers

Table of names and numbers[1]
Number Name LNER No. 1946 No. Withdrawn
94 Lord Aberconway 6154 Allocated No. 9075,
but withdrawn before re-numbering
95 Robert H. Selbie 6155 9076 1948
96 Charles Jones 6156 9077 1948
97 Brill 6157 1943


  1. ^ a b Casserley, H.C. (1977). The Later Years of Metropolitan Steam. Truro: D.Bradford Barton. pp. 7, 29–33. ISBN 0-85153-327-2.
  2. ^ Casserley & Later Metropolitan Steam, p. 33