| Class JA water tankers, JP petrol tankers |
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The second class to use the JA classification were a group of 2800 gallon water tankers built on the GC type chassis. The total of eighty-one wagons was constructed as follows: | |
| 1925 | 10289-10308 |
| 1928 | 10976-10983, 11104-11108 |
| 1929 | 1509, 2667, 3723, 11109-11128 |
| 1930 | 1089, 1448, 1952, 2605, 3079 |
| 1934 | 3794, 3847, 3861, 4152, 4160, 4194, 4355, 4522, 8377, 9346 |
| 1936 | 613, 620, 631, 632, 636, 638, 644, 649, 655, 668 |
| 1927 | 10290, 10295, 10299, 10300, 10301, 10308 to JP (VACUUM) |
| 1928 | 10293, 10297, 10977, 10979, 10983 to JP (SHELL) |
| 1929 | 11121-4, 11126 to JP (VACUUM) |
| 1930 | 10290, 10295, 10299, 10300, 10301, 10308, 11121-4, 11126 ex JP |
| 1931 | 10293, 10297, 10977, 10979, 10983 ex JP |
| 1933 | 10290, 10300 to JP |
| 1934 | 10290, 10300 ex JP |
| 1936 | 10290, 10295, 10300, 10301, 11122, 11123 to JP
10290, 10295, 10300, 11122, 11123 ex JP |
| 1937 | 10301 ex JP
10301 to JP (C.O.R.) |
| 1938 | 10290 to JP (C.O.R.)
10299, 10308 to JP 11122 to JP (VACUUM) |
| 1939 | 10295, 10300, 11123 to JP (C.O.R.) |
| 1941 | 10295, 11123 ex JP |
| 1945 | 10299 ex JP |
| 1949 | 10295, 11123 to JP |
| 1962 | 10300 written off |
| 1967 | 10290, 10295 written off |
| 1970 | 10301 written off |
| 1972 | 10308, 11122, 11123 written off |
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The WAGR outline diagram for the JP class tanks is shown below. Note that the design of the filler doesn't tally with the photo above.
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| From 1933 numbers 10300, 11104, 11112 and 11117 were used as poison tanks for the weed-killing train. Wagons known to have been used at some time for this traffic also include 1509, 2667, 10290, 10300, 10306, 10307, 10977, 10978, 10980, 10982, 11104, 11107, 11111, 11112, 11114, 11117, 11121, 11126. From 1935 to 1938 numbers 10299 and 10308 were used as residual oil tankers whilst 11119 was used as a rail washer. |
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In 1937 a variant on the JA design appeared when the final batch of ten wagons were turned out with all steel underframes. They were numbered 672, 674, 682, 699, 1254, 1404, 1457, 1485, 1491, 1582. |
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Another group of conversions started in 1939 when two wagons were converted to bitumen tankers and reclassified JX. eventually there were 13 of these and none ever reverted to class JA. The conversions and fate of the JX's were as follows: |
| 1939 | 655, 10976 to JX
1485, 1491 to JX (steel frames) |
| 1956 | 2605, 10298, 10303, 10978, 11127 to JX
1457 to JX (steel frames) |
| 1957 | 3079, 4355, 11115 to JX |
| As steam declined the requirement for water tankers fell and so the JA's were withdrawn. Withdrawal of the remaining JA class wagons was as follows: |
| 1950 | 11110 written off |
| 1953 | 649, 1509, 4522, 10289 written off
1509 written back |
| 1954 | 2667, 11104 written off |
| 1955 | 10306 written off |
| 1958 | 10982 written off |
| 1959 | 620, 699, 3723, 10292, 10302, 10305, 10307, 10981, 10983, 11106, 11113, 11121, 11126, 11128 written off
672 to JETTY 216 |
| 1962 | 631, 632, 636, 638, 668, 674, 1254, 1404, 3794, 3861, 10297, 11108, 11109, 11116 written off |
| 1963 | 10294, 10296, 10977, 11118 written off |
| 1964 | 8377 to JETTY 255
11125 written off |
| 1965 | 10299, 11105, 11119 written off |
| 1966 | 1448, 10980 written off |
| 1967 | 4194, 10304, 11114 written off |
| 1969 | 1089, 11117 written off |
| 1970 | 644, 1509, 11124 written off |
| 1971 | 9346 written off |
| 1972 | 613, 682, 1582, 1952, 3847, 4160, 10293, 10979, 11107, 11111, 11112 written off |
| 1973 | 11120 written off |
| 1975 | 10291 written off |
| I have been unable to account for the demise of 4152 which is not recorded on the class record card. | |
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