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A Class 0-4-0 T
CLASS  A    0-4-0 T

Introduced: 1873 Number in Class: 14

A Class Register

Locomotive Specifications

  1.  Dubs & Co. Glasgow, Scotland (12)
  2.  Yorkshire Engine Co., Sheffield, England (2)

Engine Weight:    
11.0 tons
Tender Weight:     Total Weight:    11.0 tons Adhesive Weight:    
11.0 tons
Length over Buffers:    
18' 0"
Total Wheelbase:    5' 7" Engine Wheelbase:    5" 7" Coupled Wheelbase:    
5" 7"
Tender Wheelbase:     Driver Wheel Dia.:    30" Cylinders HP:    
Two - 8" x 15"
Cylinders LP:    
Grate Area:    4.2 sq ft Evaporative Area:    
269 sq ft
Superheated Area:     Working Pressure:    
120 psig
Tractive Effort:    
3072 lbs f
Coal Capacity:    0.4 tons Oil Capacity:     Water Capacity:    330 gals

Remarks:    Described as "a most absurd-looking dwarf" or "a mere mite, a veritable toy Locomotive", they did surprisingly good work in branch-line and shunting duties. Once written off by NZR, they were put to good use by collieries, timber mills, freezing works, and harbour boards. Perhaps some of the hardest work entrusted to an 'A' was working for the Taupo Totara Timber Co's daily mixed train between Putaruru and Mokai in 1905-6; the line 50 miles in length, abounded in 1-in-30 grades and 1-chain radius curves, along which the little 'A' gamely struggled, trailing a string of timber-laden flat cars with an old Wellington horse tram bringing up the rear. The 'A' class were ordered for use on the light 3 ft 6 in gauge branch lines in Canterbury. Most were sold out of NZR service by 1905 Also in the 'A' Class were three E.W. Mills locomotives and one Alexander Shanks 0-4-0 T engine, all classified 'A'

Preserved Locomotives
  Anawhata Museum,    Whangarei -     A 62/196,     Dubs #656   Stored
  Plains Railway,    Asburton -     A 64,    Dubs #651   Operating
  Otago Railway & Locomotive Society,    Gore - Stored    A 66,     Dubs #648   Display
  Ocean Beach Railway,    Dunedin -     A 67,     Dubs #647   Operating