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Fb Class
CLASS  Fb    0-6-2 T


Introduced: 1897 Number in Class: 20

Fb Class Register




Locomotive Specifications

Builders:
  NZR Addington
  NZR Hillside
  NZR Petone
  NZR Newmarket
  NZR Westport

Engine Weight:    
29.3 tons
Tender Weight:     Total Weight:    29.3 tons Adhesive Weight:    
25.2 tons
Length over Buffers:    
27' 3"
Total Wheelbase:    16' 6" Engine Wheelbase:    
16' 6"
Coupled Wheelbase:    
10' 6"
Tender Wheelbase:     Driver Wheel Dia.:    36" Cylinders HP:    
Two - 12" x 18"
Cylinders LP:    
Grate Area:    10.7 sq ft Evaporative Area:    
530 sq ft
Superheated Area:     Working Pressure:    
160 psig
Tractive Effort:    
9090 lbs f
Coal Capacity:    1.6 tons Oil Capacity:     Water Capacity:    800 gals

Remarks:    In 1897 a new locomotive, similar the the 'Fa', but fitted with a larger bunker and a trailing pony truck under the cab to give it the 0-6-2 wheel arrangement, was passed out of the Addington workshops. This became the 'Fb' class and led to the conversion of all 12 'Fa' class 0-6-0 t locomotives being altered to conform. After the conversion process had been completed, all locomotives reverted to the 'Fa' classification.

Preserved Locomotive
  Bay of Islands Railway,    Kawakawa -     Fb 9,     NZR Addington #18/1897   Converted to Diesel