Amtrak's eastbound train #6, the San Francisco Zephyr, rolls across the Sacramento River drawbridge and into the old Southern Pacific passenger station on July 6th, 1976. Powered by SDP40F... (more)

Amtrak train #5, the westbound San Francisco Zephyr, passes through Emilgrant Gap in the high Sierra on March 18th, 1978. Led by SDP40Fs 598 and 620, this train is just a couple hundred mi... (more)

Nearly-new Amtrak SDP40F 504 gets watered at Los Angeles Union Station after bringing in train #3, the westbound Southwest Limited, on June 26th, 1973. For a short time, as the Amtrak 500s... (more)

Amtrak train #36, led by SDP40F 526 and F40PH 221, passes through Mormon Rocks in southern California's Cajon Pass on March 27th, 1981. This is the eastbound Desert Wind, which ran from Lo... (more)

Rolling off Cuesta Grade and to the station stop in San Luis Obispo, California, is Amtrak train #11, the eastbound Coast Starlight. The date is July 3rd, 1974, and SDP40Fs 556 and 551 are... (more)

A former Amtrak SDP40F sits at the Ogden Union Station track 2 on the museum track.

On a hazy, humid Alabama summer afternoon, a quartet of Amtrak's big SDPs slides to a stop in Montgomery with the southbound Floridian. A pair of SDPs was typical, with an occasional trio showing... (more)

Built as Amtrak SDP40F 644, DYRX 644 is seen in Ogden, Utah, on March 13th, 2015. This is one of the 18 SDP40Fs that Amtrak traded to Santa Fe for some of their SSB1200 switchers, becoming ATSF SD... (more)

Southbound Coast Starlight Jack London Square Oakland

Santa Fe SDF40-2 No. 5260 leads a QRIAL stack train east through North Guam, New Mexico on Oct. 7, 1995. ATSF 5260 was built Amtrak SDP40F No. 638 by EMD in July 1974.

Amtrak San Diegan #773 speeds through La Mirada on its way from San Diego to Los Angeles in June 1974. One of Amtrak's new SDP40F diesels, 512, is more than capable of handling this six-ca... (more)

After a month of no snow and unseasonably warm temps, winter finally arrived, and folks along Utah's Wasatch Front woke up to a White Christmas. DYRX 644 is seen here spotted at where Amtrak's Des... (more)

A trio of new SDP40F's wait to lead this evenings train number four out of LAUPT for Chicago.

Amtrak SDP40F #634 was built April 1974 on order #74611. After leaving Amtrak roster, unit became Santa Fe (ATSF) #5261, then BNSF 6971 before being scrapped in 2002

Amtrak SDP40F #634 was built April 1974 on order #74611. After leaving Amtrak roster, unit became Santa Fe (ATSF) #5261, then BNSF 6971 before being scrapped in 2002