SL-SF 537
This loco was built in 12/1950 with EMD serial number 12921. She was built as a freight roadswitcher, model GP7. She featured a sealed beam headlight in her front and rear ends. As with all Frisco GP7's, she did not feature dynamic brakes.
She became PNC 537.
She became C&NW 4463.
She became CTEX 4463.
She became LTEX 4463.