LNWR Class F

LNWR Class F
No. 1273 in photographic grey livery without tender
Type and origin
Power typeSteam
DesignerGeorge Whale
RebuilderCrewe Works
Rebuild date1906–08
Number rebuilt10 from Class B
2 from Class E
Specifications
Configuration:
 • Whyte2-8-0
 • UIC1′D n4vg
Gauge4 ft 8+12 in (1,435 mm)
Driver dia.4 ft 8 in (1,420 mm)
Fuel typeCoal
Boiler5 ft 2 in (1,575 mm) x
14 ft 6 in (4,420 mm)
Boiler pressure175 psi (1.21 MPa)
Heating surface2,180 sq ft (203 m2)
CylindersFour, two outside high-pressure, two inside low-pressure
High-pressure cylinder15 in × 24 in (381 mm × 610 mm)
Low-pressure cylinder20+12 in × 24 in (521 mm × 610 mm)
Valve gearJoy
Career
OperatorsLondon and North Western Railway, London, Midland and Scottish Railway
ClassF
Power classLMS: 3F
Number in class12
Withdrawn1921–28
Disposition10 rebuilt to class G1 1921–25;
2 scrapped 1927–28

The London and North Western Railway (LNWR) Class F was a class of 2-8-0 steam locomotives in service between 1906 and 1928.