SL-SF 547
This loco was built in 4/1951 with EMD serial number 12939. 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 RI 4439:1.
She became RI 4476.
She became C&NW 4151.
She became FRVR 4151.
She became WC 4151.