Flash Butt yard BHP's stored Goninan WA ALCo C636 to GE C36-7M rebuild unit 5513 awaits its fate. Rebuilt in 1988 at Goninan's Welshpool factory from a 1970 AE Goodwin built ALCo C636 with serial number G6012-2 and road number 5453 and assigned new serial number 4839-02 / 88-078. It was delivered in Mount Newman Mining orange and was named Kalgan. Late 2001.