Yandi Two balloon loop, BHP Iron Ore 5638 'Mallina' serial 8281-02 / 92-127 a Goninan WA rebuild CM40-8M GE unit is the lead remote mid-train unit as it loads a train at 1.2 km/h with second unit 5656, not the difference in the fuel tanks, 38 is rebuilt from an AE Goodwin NSW built C636 ALCo while 56 is rebuilt from a Comeng NSW built M636 ALCo. GeoData.