Three GEVOs, a widecab Dash 8, and an ex-SP SD70M make up the head end of this Northbound, seen here about halfway between Eugene and Junction City on Union Pacific's Brooklyn Sub. Union Pacific (ex-SP) SD70M #3988 leads a work train through McClellan.

A UP Leading SD70M With AC44CWCTE Power A Manifest Train Early Morning Northbound Thanks For Watching EnjoyUP 3988UP 5795UP 4937

UP 3988 is ex-SP 9813. Union Pacific SD70M #3988 trails on the Newark to Roseville manifest (MNWRV-15) as it rolls through Emeryville. This unit is ex-SP 9813.

Up 3988 leads the newark train through pleasanton

Union Pacific (ex-SP) SD70M #3988 trails on on the days Newark to Roseville manifest (MNWRV-28) as it passes through Sunol. Date: 5/28/2014 Location: Sunol, CA

My guess was that the 3988 photo was SOUTH of the servicing facility. In reality, it would have been North of the facility, with the tender facing the facility, the nose of the locomotive facing north.

Pictures of UP 3988, Model: SD70M. Title: UP 4179 and 3988 : Description: UP 4179 and 3988 : Photo Date: 4/16/2007 Upload Date: 4/16/2007 12:47:02 PM : Location:

2022年8月15日 · UP 3975-3980 (5 locomotives) were converted to oil in November 1944 and assigned to the Los Angeles passenger pool, generally operating between Caliente and Los Angeles. Records indicate UP 3975-3980 joined the Huntington-Portland-Seattle pool in August 1946. (Gordon McCulloh, email dated March 9, 2014)

The Union Pacific Challengers are a type of simple articulated 4-6-6-4 steam locomotive built by American Locomotive Company (ALCO) from 1936 to 1944 and operated by the Union Pacific Railroad until the late 1950s. A total of 105 Challengers were built in five classes. They were nearly 122 ft (37 m) long and weighed 537 short tons (487 tonnes).

Union Pacific 3985 is a four-cylinder articulated 4-6-6-4 "Challenger"-type steam locomotive built in July 1943 by the American Locomotive Company (ALCO) of Schenectady, New York, for the Union Pacific Railroad. No. 3985 is one of only two Challengers still in existence and the only one to have operated in excursion service.