| Class ZS Bogie Brake vans |
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In 1965 two (type 17b brake vans (494 and 509) were rebuilt with lower roofs and knuckle couplers for bauxite traffic. From 1969 they were reclassified ZS and additional conversions followed although not all ZS class vans had the lower roof. Both vans in the photos carry a black flash indicating that they are radio fitted. |
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The WAGR outline diagram is shown below
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| Details of the fates of these vans are given in the table below. |
| No. | Built as class Z | To ZS | Written off |
| 494 | June 1958 | November 1969 | January 1985 |
| 507 | February 1959 | April 1977 | November 1985 |
| 509 | February 1959 | November 1969 | January 1985 |
| 510 | November 1959 | December 1976 | January 1985 |
| 536 | September 1962 | March 1977 | January 1985 |
| 539 | October 1962 | February 1970 | November 1985 |
| 540 | November 1962 | March 1970 | November 1985 |
| 541 | September 1962 | November 1982 | January 1985 |
| 550 | December 1962 | May 1970 | January 1985 |
| 553 | December 1962 | October 1976 | November 1985 |
| 566 | March 1966 | August 1970 | November 1985 |
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The two ZO class brake vans (567 and 568) were produced for Western Mining Corporation (in 1965). They used AY type coach bogies with a 6'-6" wheelbase. They were fitted with knuckle couplers from the outset and dispensed with the dog-box found on W.A.G.R. vans. They had a flatter roof profile to allow them to fit under loading hoppers later used on the ZC and some ZS class vans.
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| No. | Built as class ZO | To ZS | Written off |
| 567 | January 1966 | July 1980 | October 1987 |
| 568 | January 1966 | April 1980 | ? |
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The WAGR outline diagram for class ZO is shown below |
| The final design of W.A.G.R. brake van (type 18) was also involved in the conversion to ZS. They were similar in layout to the type 17 vans but had plywood sides and a different roof profile. The vans converted to ZS standard had knuckle couplers fitted and in at least some cases the roofs lowered so that they could run under loading hoppers. The last pair, 579 and 580, ran as class ZS from new.
Details of these vans are as follows: |
| No. | Built as class Z | To ZS | Written off |
| 573 | November 1970 | December 1982 | January 1985 |
| 576 | December 1970 | December 1981 | January 1985 |
| 579 | - | December 1970 | August 1985 |
| 580 | - | December 1970 | November 1985 |
| ZS580 was written back as a SC class service van in 1988. |
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