BHP Billiton Locos, 4315,5636 have almost finished unloading thier Ore at the ballon loop at Finucane Island Port Hedland. Once unloaded it will head out to the Yards where it will join another consist and head out to the mines and reload. 4315 is an SD70Ace loco imported from EMD Ontario Canada . While 5636 is a CM40-8M rebuilt from Alco C636, 5462 from Mt Newmam mining in 1992. 5636 has since been stored.