An EMD GP18 is a 4-axle diesel locomotive

Locomotive

A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco – "from a place", ablative of locus, "place" + Medieval Latin motivus, "causing motion", and is a shortened form of the term locomotive engine, first used in the early 19th...

 built by General Motors Electro-Motive Division between December 1959 and November 1963. Power was provided by an EMD 567D1

EMD 567

The EMD 567 is a line of diesel engines built by General Motors' Electro-Motive Division. This engine, which succeeded Winton's 201-A, was used in EMD's locomotives from 1938 until its replacement in 1966 by the EMD 645. It has a bore of , a stroke of and a displacement of 567 in³ per cylinder...

 16-cylinder

Cylinder (engine)

A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block, which is typically cast from aluminum or cast iron before receiving precision machine work...

 engine which generated 1800 hp. The GP18 replaced the GP9 in EMD's catalog.

350 examples of this locomotive model were built for American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 railroads, 40 units were built for Mexican

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 railroads, 12 were built for Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

ian railroads, two units were exported to Peru and one unit was exported to Saudi Arabia.

Original buyers

Railroad	Quantity	Road numbers	Notes
Aberdeen and Rockfish Railroad Aberdeen and Rockfish Railroad The Aberdeen and Rockfish Railroad is a shortline operating in North Carolina. At one time the AR was a Class 2 railroad. The railroad has of track that runs from Aberdeen to Fayetteville, North Carolina.-History:...	1	300
Baltimore and Ohio Railroad Baltimore and Ohio Railroad The Baltimore and Ohio Railroad was one of the oldest railroads in the United States and the first common carrier railroad. It came into being mostly because the city of Baltimore wanted to compete with the newly constructed Erie Canal and another canal being proposed by Pennsylvania, which...	1	6599	GP18M 1750 hp
Boston and Maine Railroad Boston and Maine Railroad The Boston and Maine Corporation , known as the Boston and Maine Railroad until 1964, was the dominant railroad of the northern New England region of the United States for a century...	6	1750–1755
Central of Georgia Railway	8	171–178
Chicago and North Western Railway Chicago and North Western Railway The Chicago and North Western Transportation Company was a Class I railroad in the Midwest United States. It was also known as the North Western. The railroad operated more than of track as of the turn of the 20th century, and over of track in seven states before retrenchment in the late 1970s...	6	1774–1779
Grand Trunk Western Railroad Grand Trunk Western Railroad The Grand Trunk Western Railroad is an important subsidiary of the Canadian National Railway , constituting the majority of CN's Chicago Division ....	11	4700–4707, 4950–4952
Illinois Central Railroad Illinois Central Railroad The Illinois Central Railroad , sometimes called the Main Line of Mid-America, is a railroad in the central United States, with its primary routes connecting Chicago, Illinois with New Orleans, Louisiana and Birmingham, Alabama. A line also connected Chicago with Sioux City, Iowa...	29	9400–9428
Lehigh Valley Railroad Lehigh Valley Railroad The Lehigh Valley Railroad was one of a number of railroads built in the northeastern United States primarily to haul anthracite coal.It was authorized April 21, 1846 in the U.S. state of Pennsylvania and incorporated September 20, 1847 as the Delaware, Lehigh, Schuylkill and Susquehanna Railroad...	4	302–305
Louisville and Nashville Railroad Louisville and Nashville Railroad The Louisville and Nashville Railroad was a Class I railroad that operated freight and passenger services in the southeast United States.Chartered by the state of Kentucky in 1850, the L&N, as it was generally known, grew into one of the great success stories of American business...	5	460–464
Missouri Pacific Railroad Missouri Pacific Railroad The Missouri Pacific Railroad , also known as the MoPac, was one of the first railroads in the United States west of the Mississippi River. MoPac was a Class I railroad growing from dozens of predecessors and mergers, including the St. Louis, Iron Mountain and Southern Railway , Texas and Pacific...	146	4801–4829, 400–499, 534–550
New York, Susquehanna and Western Railway New York, Susquehanna and Western Railway The New York, Susquehanna and Western Railway , also known as the Susie-Q, or simply the Susquehanna, is a Class II American freight railway operating over 500 miles of track in the northeastern states of New York, Pennsylvania and New Jersey. It was formed in 1881 from the merger of several...	3	1800, 1802, 1804	sold in 2010 to East Penn RR (ESPN)
New York, Chicago and St. Louis Railroad New York, Chicago and St. Louis Railroad The New York, Chicago and St. Louis Railroad , abbreviated NYC&St.L, was a railroad that operated in the mid-central United States. Commonly referred to as the Nickel Plate Road, the railroad served a large area, including trackage in the states of New York, Pennsylvania, Ohio, Indiana, and Illinois...  (“Nickel Plate Road”)	10	700–709	to Norfolk and Western 2700–2709
Norfolk and Western Railway Norfolk and Western Railway The Norfolk and Western Railway , a US class I railroad, was formed by more than 200 railroad mergers between 1838 and 1982. It had headquarters in Roanoke, Virginia for most of its 150 year existence....	48	915–962
Norfolk Southern Railway Norfolk Southern Railway (former) The Norfolk Southern Railway was the final name of a railroad running from Norfolk, Virginia southwest and west to Charlotte, North Carolina. It was acquired by the Southern Railway in 1974, which was merged with the Norfolk and Western Railway in 1990 to form the current entity of the Norfolk...	17	1–17
Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	9	376–384
Phelps Dodge Corporation (New Cornelia Mine)	3	44–46
Chicago, Rock Island and Pacific Railroad Chicago, Rock Island and Pacific Railroad The Chicago, Rock Island and Pacific Railroad was a Class I railroad in the United States. It was also known as the Rock Island Line, or, in its final years, The Rock.-Incorporation:...	25	1256, 1238–1239, 1329, 1333–1353	1238-1239, 1256 are 1500 hp GP18M, 1329 is 1750 hp GP18M
Seaboard Air Line Railroad Seaboard Air Line Railroad The Seaboard Air Line Railroad , which styled itself "The Route of Courteous Service," was an American railroad whose corporate existence extended from April 14, 1900, until July 1, 1967, when it merged with the Atlantic Coast Line Railroad, its longtime rival, to form the Seaboard Coast Line...	10	400–409	Became Seaboard Coast Line Railroad in 1967 after a merger with arch rival Atlantic Coast Line Railroad.
Tennessee, Alabama and Georgia Railway Tennessee, Alabama and Georgia Railway The Tennessee, Alabama and Georgia Railroad was created through a reorganization of the Chattanooga Southern Railway in 1911. A few years later, in 1922, the line's name was changed to the Tennessee, Alabama and Georgia Railway and was also known as the TAG Route. The TAG ran from Chattanooga,...	1	801
Texas and Pacific Railway Texas and Pacific Railway The Texas and Pacific Railway Company was created by federal charter in 1871 with the purpose of building a southern transcontinental railroad between Marshall, Texas, and San Diego, California....	5	1145–1149
Texas Mexican Railway Texas Mexican Railway The Texas Mexican Railway is a class 1 railroad that operates as a subsidiary of Kansas City Southern Railway in Texas. It is often referred to as the Tex-Mex, or TexMex Railway....	2	854–855
Toledo, Peoria and Western Railway Toledo, Peoria and Western Railway The Toledo, Peoria and Western Railway is a short-line railroad that operates of track from Mapleton, Illinois, through Peoria across Illinois to Logansport, Indiana, and includes a branch line between Logansport to Winamac, Indiana...	1	600
National Railways of Mexico	37	7500-7536
Ministry of Communication and Transportation (Mexico)	3	7123-7125
Araraquara Railway(Brazil)	12	1006-1017	gauge
Saudi Government Railway	1	1200	GP18M 1500 hp
South Peru Copper	2	24-25
Total	405