Wedgefield, sitting in Asset Kinetics yard waiting to start construction duties are two of the four GTSA rebuilt DR class units. Comeng WA ALCo rebuild C636R model DR 8401 'Jean' serial WA143-1 and ex Robe River ALCo #9426 original serial 3499-02 and Comeng WA ALCo rebuild C636R model DR 8402 'Margaret' serial WA135 / C6011-02 and ex Hamersley Iron C636 #3007 with the differences between the Phase II and Phase III radiators of the Comeng WA ALCo rebuild models evident. 1st May 2007.