 Accordingly, Angus wrote to the District Mechanical Engineers in Wellington and Christchurch, before asking James Binstead, the DME for the South Island, to select four WF class locomotives for sale.On receipt of this request, locomotives WF's 381, 385, 436 and 437 were withdrawn and transferred to Hillside Workshops for overhaul and rebuilding to TGR specifications.TGR purchased a further four locomotives in 1944 due to wartime requirements on traffic.