Union Pacific EMD SD24 No. 446 sits next to the sprawling locomotive shop at North Platte, Nebraska, in July 1984.

UP 446, an EMD SD24 'Power Unit' is coupled to the UP S5, a 'Yard Slug' (a former UP GP9B No. 306B) awaiting repair work at Union Pacific's Salt Lake Shops in Oct. 1977. At the time, the duo were ... (more)

Union Pacific EMD SD24 No. 446 sits with GE U30C No. 2927 on the west side of the North Platte Diesel Shop in July 1984. No. 446 was originally built as SD24 demonstrator No. 7201 dressed in South... (more)

recently shopped and painted SD24 along with a slug mate hump power sitting at UP's East Los Angeles engine facility