Two SD's of the BNSF sit in Seatle's Balmer/Interbay yard wait to go to work on a overcast Saturday morning the near unit, faceingthe camera, is BNSF 1573 a SD40-2R tha far unit, faceing away from the camera, is BNSF 1655 a SD39-2 remote unit, one of the porch units BNSF mostly use these units as transfur units or in yard to make up trains(6 axles switchers)kind of sad since thay use to "kings of the rails" back in the day