LNWR Precedent Class

LNWR Precedent class
LNWR 955 Charles Dickens, date and location unknown
Type and origin
Power typeSteam
DesignerF. W. Webb
BuilderCrewe Works
Serial number1902–1921, 2034–2053, 2119–2128, 2400–2409, 2501–2510
Build date1874–1882
Total produced70
Specifications
Configuration:
 • Whyte2-4-0
 • UIC1B n2
Gauge4 ft 8+12 in (1,435 mm)
Leading dia.3 ft 6 in (1.067 m)
Driver dia.6 ft 6 in (1.981 m)
Wheelbase
  • 7 ft 5 in (2.26 m)+
  • 8 ft 3 in (2.515 m)
Loco weight33 long tons (34 t)
Fuel typeCoal
Boiler:
 • Diameter4 ft 2 in (1.270 m)
 • Tube plates9 ft 10 in (2.997 m)
Heating surface1,083 sq ft (100.6 m2)
CylindersTwo, inside
Cylinder size17 in × 24 in (432 mm × 610 mm)
Valve gearAllan
Career
OperatorsLondon and North Western Railway
Official namePrecedent Class
NicknamesJumbo's
Restored1976
DispositionNo. 790 Hardwicke preserved, remainder scrapped

The London and North Western Railway Precedent Class was a class of seventy 2-4-0 steam locomotives originally designed for express passenger work.