GNR Class J9

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GNR Class J9
LNER Class J7
Type and origin
Power typeSteam
Designer Patrick Stirling
Builder Doncaster Works
Serial number692–791
Build date1896
Total produced10 (original production)
Rebuild date1924-1926
Number rebuilt5
Specifications
Configuration:
   Whyte 0-6-0
   UIC C n2
Gauge 4 ft 8+12 in (1,435 mm)
Driver dia.4 ft 8 in (1.422 m)
Wheelbase 15 ft 6 in (4.7 m)
Axle load 15.5 long tons (15.7 t)
Loco weight38.1 long tons (38.7 t)
Tender weight34.9 long tons (35.5 t)
Total weight73.0 long tons (74.2 t)
Fuel type Coal
Firebox:
  Firegrate area
16.25 sq ft (1.51 m2)
Boiler4 ft 5 in (1.3 m) (original)
4 ft 8 in (1.4 m) (LNER rebuilds)
Boiler pressure170 psi (1.17 MPa)
Heating surface1,119 sq ft (104.0 m2)
  Tubes1,016 sq ft (94.4 m2)
  Firebox103 sq ft (9.6 m2)
Cylinders Two, inside
Cylinder size 17+12 in × 26 in (444 mm × 660 mm)
Valve gear Stephenson valve gear
Valve typeSlide
Performance figures
Tractive effort 20,548 lbf (91.4 kN)
Career
Operators
Numbers
  • GNR: 1021–1030
  • → LNER: 4021–4030
Withdrawn1927–1936
DispositionAll scrapped

The GNR Class J9 was a class of two-cylinder steam locomotives of the 0-6-0 wheel arrangement, built in 1896 for the Great Northern Railway.

History

The Class J9s were based on the GNR Class J10, but featured wider cabs and used a different diameter boiler. [1] Ten units were built in 1896, whilst later on, the Class J10s were refitted with the J9's boiler. [1] In GNR service, the J10s were primarily used on heavily graded lines near Leeds and Bradford, and were nicknamed the "West Riding Goods Engines". When the Great Northern Railway was merged into the new London and North Eastern Railway, seven of the original J9s were still in service, whilst three converted J10s were also transferred; both classes were renamed as the LNER Class J7. [1] Between 1924 and 1926, five members of the class were fitted with the 4 ft 8 in (1.4 m) diameter boilers that were also being fitted to the LNER Class J3s. [1] The LNER relegated the class to local traffic, and began withdrawing them in 1927. In 1936, the last remaining member of the class, No. 4027, was withdrawn from Ardsley, with no units being preserved. [1]

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References

  1. 1 2 3 4 5 "The Stirling J7 (GNR Class J9) 0-6-0 Locomotives". The London & North Eastern Railway (LNER) Encyclopedia. Retrieved 15 July 2013.