LNER Class A2

The first London and North Eastern Railway (LNER) Class A2 was a class of 4-6-2 steam locomotive designed by Vincent Raven for the North Eastern Railway (as NER class 4.6.2). Two were built by the NER in 1922 before the grouping and another three by the LNER in 1924. Their LNER numbers were 2400–2404. All five locomotives were named by the LNER.

This article is about the NER class. For Thompson's A2 classes, see LNER Thompson Class A2 (disambiguation). For Peppercorn's A2 class, see LNER Peppercorn Class A2.

LNER Raven Class A2
Raven Class A2 2400 on trial at King's Cross Station in June 1923
Type and origin
Power typeSteam
DesignerVincent Raven
BuilderNER/LNER Darlington Works
Build date1922 (2), 1924 (3)
Total produced5
Specifications
Configuration:
​
 • Whyte4-6-2
 • UIC2′C1′ h3
Gauge4 ft 8+1⁄2 in (1,435 mm)
Leading dia.3 ft 1.25 in (0.946 m)
Driver dia.6 ft 8 in (2.032 m)
Trailing dia.3 ft 9.25 in (1.149 m)
Fuel typeCoal
Fuel capacity5.5 long tons (5.6 t)
Water cap.4,125 imp gal (18,750 L)
Boiler pressure200 psi (1.38 MPa) (most), 180 psi (1.24 MPa) (2404)
CylindersThree
Cylinder size19 in × 26 in (483 mm × 660 mm)
Valve gearStephenson
Valve type8+3⁄4-inch (220 mm) piston valves
Performance figures
Tractive effort29,918 lbf (133.08 kN) (NER boiler), 26,926 lbf (119.77 kN) (2404 with A1 boiler)
Career
Operators
  • North Eastern Railway
  • London and North Eastern Railway
Numbers2400–2404
Withdrawn1936–1937
DispositionAll scrapped
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