CKFX 0001, assigned to Keystone Foods, LLC Equity Group feed mill. #0001 was built February 1952 as Santa Fe GP7 (ATSF) #2713. Unit later became ATSF #2141, then Burlington Northern Santa Fe (BNSF) #1339. On October 2, 2007, unit went to Railroads Materials Salvage in Richmond, MO; then to Birmingham Rail & Locomotive prior to being shipped to Keystone Foods