Burlington Northern Class U30C Number 5812, C30-7 Number 5598 and an unidentified U30C with a unit coal train in the vicinity of Mullen, Nebraska on August 23, 1981. Photo by Al Christianson. Number 5812 was built by General Electric in July, 1973, Builder Number 39295. It was retired in May, 1989. Number 5598 was built by General Electric in June, 1979, Builder Number 42199. Other subject categories: Unit coal train