J Class water tankers (GC chassis 1600 gallon Steel tank)

This group of ninety-eight wagons was urgently required and converted over the space of three years from redundant GC wagon chassis. The numbers of the GC wagons involved were retained by the new tankers. They were surprisingly long lived given the age of the wooden chassis involved and some went on to form the basis of the JOA class. Although all of the tanks were 1600 gallon capacity they were not all of the same type. Most tanks were supported by steel anchor plates but on one wagon at least (7102) the tank was supported on wooden beams like the older J class wagons. One wagon at least (8681) had a short fat tank whereas on most wagons the tank was only two inches shorter than the underframe. They were built as follows:

J 7777  J Moir collection

1953

732, 1076, 6499, 6659, 6911, 6975, 7327, 7447, 7769, 7827, 8126, 8529, 8548, 9122, 9546, 9679, 9790, 9827, 9965, 9988, 10467, 10515, 10539 ex GC

215 ex written off GC

1954

1921, 8399, 8681, 9304, 9460, 9607, 9699, 10255, 10261, 10266, 10272, 10275, 10312, 10313, 10323, 10332, 10340, 10361, 10362, 10376, 10382, 10384, 10388, 10390, 10401, 10402, 10404, 10406, 10413, 10421, 10424, 10434, 10438, 10444, 10449, 10455, 10485, 10487, 10495, 10510, 10512, 10522, 10549, 10554, 10560, 10571, 10581, 10588, 10596 ex GC

621 ex written off GC

1955

1966. 4893, 6435, 6646, 6772, 6960, 7102, 7248, 7391, 7577, 7777, 7789, 7832, 8015, 8038, 8421, 8623, 8713, 8754, 8863, 9170, 10242, 10386, 10389, 10587 ex GC

 
One of this class at the right of this picture possibly J7827 (it's a bit difficult to read the number).
 

Numbers 732, 1076, 7327, 8126 and 8529 were labelled "Chromated Water" for railcar use from the start. Almost immediately they were in service the introduction of Diesel locomotives in large numbers generated a need for fuel oil tankers and reduced the need for water tankers and so conversion of the class to JOA class wagons started.

1955

621, 9607, 10255, 10332, 10376, 10386, 10389, 10402, 10434, 10438, 10455, 10485, 10512, 10560, 10571 to JOA

1959

1076 to JOA

1960

7102, 8038, 8529, 8863 to JOA

2413 rebuilt for old J with new wooden frame presumed to be GC type.

1961

215, 6646, 6911, 6960, 8421, 8548, 9304, 9790, 10323, 10449, 10522 to JOA

1963

8399, 10362 to JOA

8713 written off

1964

4893, 6435, 7577, 10266, 10401, 10510 to JOA

1966 written off

1965

6499, 7447, 8126, 9546, 10242, 10361, 10382 to JOA

With the demise of steam gathering pace in the late sixties withdrawals gathered pace.

1967

6772, 7769, 8015, 8754, 9122, 9679, 10275, 10596 written off

1968

7827, 9988, 10390 written off

1970

1921, 7789, 8623, 10404, 10421 written off

1971

10539 written off

1972

732, 6659, 7248, 9170, 9460, 9699, 10312, 10384, 10388, 10406, 10424, 10444, 10495, 10549, 10554, 10587 written off

1973

7832, 9827, 10261, 10313, 10340, 10413, 10515 written off

The remaining wagons, which survived the end of steam in 1973, were fitted progressively with former CXA underframes or written off. However it is possible that more of the class acquired steel underframes than is recorded here.

1974

2413 fitted with CXA underframe

1975

10272, 10467 fitted with CXA underframe

10487, 10588 written off

1976

7327 fitted with CXA underframe

10581 written off

1978

9965 written off

1979

8681 written off

1981

7391 written off

1983

6975, 7777 written off

There was also a unique wagon in this group built on a steel underframe rather than wooden underframe. This wagon (J9156) was converted from a steel framed GC in 1954 and in 1965 was converted to class JOA.

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