West Kalgoorlie, AZWY 30373 'Sputnik' loco oil and sand waggon, originally built as an WFX type flat waggon by Tomlinson Steel in a batch of one hundred and sixty one in 1969-70. Recoded to WQCX type in 1980 and to WSP type waste oil and sand waggon in 1986. Peter Donaghy image.