In 1941, three of Southern Pacific's Baldwin-built P-10 4-6-2 "Pacifics" were streamlined with skyline casings and side skirts, looking very much like a "baby" GS-4s. Engines 2484-2486 were used to haul the "San Joaquin Daylight," and here we see 2484 leading train 52 as it departs Martinez, on its way from Oakland to Los Angeles (via California's Central Valley) in August 1941.
What did passenger trains look like before Amtrak in America, and Via Rail in Canada? Find out in this album with 2,700+ Historical Photos from early passenger trains of North America from the 1900's up until the early years of Government passenger trains