- NZR J class (1939)
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NZR J class J 1211 being serviced before departure from Napier. Photo by Joseph Christianson Power type Steam Builder North British Locomotive Works, Glasgow, Scotland Build date 1939 Configuration 4-8-2 Gauge 3 ft 6 in (1,067 mm) Cape gauge Wheel diameter 54 in (1.4 m2) Wheelbase 34 ft 10 in (10.6 m) Length 66 ft 11 in (20.4 m) Weight on drivers 44.45 long tons (45.16 t) Locomotive weight 68.55 long tons (69.65 t) Tender weight 40.35 long tons (41.00 t) Locomotive & tender
combined weight108.9 long tons (110.6 t) Fuel type Coal [1] Fuel capacity 6.0 long tons (6.1 t) Water capacity 4,000 imp gal (18,000 L) Boiler pressure 200 psi (1,400 kPa) Feedwater heater ACFI Firegrate area 39.0 square feet (3.6 m2) Heating surface:
Total1,469 square feet (136.5 m2) Superheater area 283 square feet (26.3 m2) Cylinders 2 Cylinder size 18 × 26 in (46 × 66 cm) Valve gear Baker Tractive effort 24,960 lbf (111.0 kN) Number in class 40 Number 1200 - 1239 Locale All of New Zealand First run 1939 - 1940 Last run 1964 - 1967 Retired 1964 - 1971 Scrapped 1969 - 1971 Current owner Mainline Steam, Steam Incorporated Disposition Withdrawn; 12 rebuilt as NZR J class steam locomotives were a class of locomotive used in New Zealand. Following the success of the K class on NZR main lines, there was an urgent need for a modern, powerful locomotive capable of running over secondary lines laid with lighter rails. Thus a new "Mountain" 4-8-2 type locomotive was designed and classified by NZGR as the new class J. The 40 locomotives were all built by North British Locomotive Works, Scotland. They should not be confused with the members of 1874's J class, the first tender locomotives to operate in New Zealand. The class had a notable appearance with the boiler being partly streamlined after the style of the New Haven Railroad's J400 class, and was also similar to the Norfolk and Western Railway class J and the NSWGR 38 class. The J class incorporated all the latest ideas of the KA class but a noteworthy departure was the use of the Baker valve gear. The tender was of the Vanderbilt type.
Twelve J class locomotives were converted to oil burning and reclassified as edit] Preserved Locomotive List
- J 1211 - Mainline Steam
- J 1234 - Glenbrook Vintage Railway (leased from Steam Incorporated)
- JB 1236 (converted from J class to JB class) - Mainline Steam
References
- ^ Oil-burning J class locomotives were classified JB. Restored J class locomotive 1211 Gloria originally burned coal, but was converted to oil-burning during restoration. Oil capacity is 1,350 imp gal (6,100 L).
External links
Categories:- New Zealand rail transport stubs
- Locomotives of New Zealand
- 4-8-2 locomotives
- NBL locomotives
- Cape gauge railway locomotives
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