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D Class
CLASS  D  :  2-4-0 T


Introduced:    1874 Number in Class:    33

D Class Register




Locomotive Specifications

Builders:
  1.   Neilson & Co., Glasgow, Scotland (17)
  2.   Scott Bros. Ltd., Christchurch (11)
  3.   Dubs & Co., Glasgow, Scotland (5)

Engine Weight:    
14.7 tons
Tender Weight:     Total Weight:    14.7 tons Adhesive Weight:    
11.5 tons
Length over Buffers:    
21' 6"
Total Wheelbase:    11' 8" Engine Wheelbase:    11' 8" Coupled Wheelbase:    
5' 0"
Tender Wheelbase:     Driver Wheel Dia.:    36" Cylinders HP:    
Two - 9" x 18"
Cylinders LP:    
Grate Area:    7.3 sq ft Evaporative Area:    
392 sq ft
Superheated Area:     Working Pressure:    
130 psig
Tractive Effort:    
4693 lbs f
Coal Capacity:    0.55 tons Oil Capacity:     Water Capacity:    
300 gals

Remarks:     The 'D' class was a variant of the 'C' class saddle tank and was fitted with the same boiler and cylinders of the 'C' but with slightly larger diameter driving wheels. With its leading truck, it was a useful locomotive and more suitable for relatively fast running than the 'C'. They enjoyed a long and active career with NZR, then went on to give good service to private companies at collieries, timber mills and freezing works.

Preserved Locomotives
  Ocean beach Railway,    Dunedin -     D 6,     Neilson #2564/1880   
  Pleasant Point Railway,    Pleasant Point -     D 16,     Neilson #2306/1878   Operating
  Silver Stream Railway,    Wellington -     D 137,     Scott Bros. #31/1887   Restoring
  Waiara,    Waiara -     D 140,     Scott Bros. #36/1887   Restoring
  Silver Stream Railway,    Wellington -     D 143,     Neilson #1847/1874   Restoring
  Centennial Park,    Kaitaia -     D 221,     Neilson #2565/1880   Static Display



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