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Oc Class
CLASS  Oc    2-8-0


Introduced: 1896 Number in Class: 1

Oc Class Register





Locomotive Specifications

Builder:
  Baldwin Locomotive Works, Philadelphia, USA

Engine Weight:    
41.8 tons
Tender Weight:    21.0 tons Total Weight:    62.8 tons Adhesive Weight:    
36.7 tons
Length over Buffers:    
51' 8"
Total Wheelbase:    43' 7" Engine Wheelbase:    19' 2" Coupled Wheelbase:    
11' 9"
Tender Wheelbase:    
12' 9"
Driver Wheel Dia.:    43" Cylinders HP:    
Two - 11" x 20"
Cylinders LP:    
Two - 18" x 20"
Grate Area:    16.7 sq ft Evaporative Area:    
1038 sq ft
Superheated Area:     Working Pressure:    
200 psig
Tractive Effort:    
15110 lbs f
Coal Capacity:    3.2 tons Oil Capacity:     Water Capacity:    
1500 gals

Remarks:     During 1897 a second 2-8-0 Vauclain compound was ordered by the Wellington and Manawatu Railway Company similar to No.13, but heavier and more powerful. Its regular work load was to haul the New Plymouth mail trains over the Wellington-Paekakariki section up the 1 in 36-40 grades to Johnsonville. It handled 225 tons and 280 tons respectively over the 1 in 56 ruling grades between Johnsonville and Paekakariki. When the Government took over the W&MRC, their No.16 became Class 'Oc' No.458.