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The first EMD F40PH, Amtrak's most widespread diesel locomotive for many years, entered into service.

Historical image related to The first EMD F40PH, Amtrak's most widespread diesel locomotive for many years, entered into service. from April 9, 1976

EMD F40PH

North American diesel locomotive class

The EMD F40PH is a four-axle 3,000–3,200 hp (2.2–2.4 MW) B-B diesel-electric locomotive built by General Motors Electro-Motive Division in several variants from 1975 to 1992. Intended for use on Amtrak's short-haul passenger routes, it became the backbone of Amtrak's diesel…
Source: Wikipedia (CC BY-SA)

Amtrak

American intercity passenger rail operator

The National Railroad Passenger Corporation, doing business as Amtrak, is the national passenger railroad company of the United States. It operates intercity rail service in every contiguous U.S. state except for Wyoming and South Dakota as well as three Canadian provinces.…
Source: Wikipedia (CC BY-SA)

Locomotive

Self-propelled railway vehicle

A locomotive is a rail vehicle that provides the motive power for a train. Traditionally, locomotives pulled trains from the front. However, push–pull operation has become common, and in the pursuit for longer and heavier freight trains, companies are increasingly using…
Source: Wikipedia (CC BY-SA)