Union Pacific Railroad's one and only high hood SD24 works the north end of Ogden's Riverdale Yard on July 24, 1980. The UP 448 was built as EMD demonstrator 5579 in July 1958 and was sold to the ... (more)

About as rare as anything EMD could be, especially in 1992, former BN (CBQ) and Southern SD24s and an SD35 glide a freight from Green Bay into Fond Du Lac for switching prior to delivering the tra... (more)

The fresh looking SD24 sits, staged, ready to pull the RPO / coach train later in the day.

The contrasting profiles of EMD and GE locomotion rust away in storage at South Yard in Salt Lake City.

An interesting lash up of EMD power await a call at Union Pacific's Provo Yard on Dec. 13, 1975. Included in the group are an SD24, a GP30B, an SD24B, a GP30, and a Rio Grande SD45.

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)

A Union Pacific SD24 awaits a call in Provo Yard on Sept. 12, 1976. The 2400 HP six axle unit was built by EMD for the UP in Sept. 1959 from a roster of 34 SD24s and 45 SD24Bs. It was retired fro... (more)

She's so fine my 409! Well, not this particular 409. A UP SD24 was switching a box car at a freight station in Salt Lake City when it broke down right where you see it. The unit sat for weeks unti... (more)

After bringing a Salt Lake City to Provo manifest into the yard, UP's one and only high hood SD24 takes a break in the joint UP-Utah Railway car shop. The UP 448 was built as EMD demonstrator 5579... (more)

Month-old Santa Fe SD26 4659 rounds the Tehachapi Loop as it descends the crossing of the Tehachapi Mountains in southern California on June 23rd, 1973. Originally built as Santa Fe 959 in May 19... (more)

A couple of rare birds power WC plow 315 at Trout Lake. SD24 2401 and SDL39 589 have had there work cut out for them coming down from Munising. After running around the wye the units back toward t... (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)

After topping off the tanks with motion lotion at the fuel rack, overheard from the Engineer, "Did you check the air in the tires?" AT&SF SD-24 4566 is about to blast off from Belen, N.M. headed ... (more)

Santa Fe eastbound train 804 pauses for a crew change at Seligman, Arizona, on December 28, 1972, durning a brief snow squall. Locomotives on Extra 4551 East: 4551-4562-4530-9842 (SD24/SD24/SD24/R... (more)

CB&Q 504 and 9255 wait their next assignment at the Illinois Railway Museum.