The EMD GP16 are a series of rebuilt
diesel-electric locomotives, a result of a remanufacturing program initiated by the
Seaboard Coast Line Railroad
The Seaboard Coast Line Railroad was a Class I railroad company operating in the Southeastern United States beginning in 1967. Its passenger operations were taken over by Amtrak in 1971. Eventually, the railroad was merged with its affiliate li ...
(SCL) in an effort to spare the cost of purchasing new motive power in the late 1970s. This involved the rebuilding of their aging fleet of
EMD GP7
The EMD GP7 is a four-axle ( B-B) diesel-electric locomotive built by General Motors Electro-Motive Division and General Motors Diesel between October 1949 and May 1954.Pinkepank, Jerry A. (1973) pp. 53
Power was provided by an EMD 567B ...
,
GP9 and
GP18
The EMD GP18 is a 4-axle diesel-electric locomotive built by General Motors, Electro-Motive Division between December 1959 and November 1963. Power was provided by an EMD 567D1 16-cylinder engine which generated . The GP18 replaced the GP9 in E ...
road switcher
A road switcher is a type of railroad locomotive
designed to both haul railcars in mainline service and shunt them in railroad yards. Both type and term are North American in origin, although similar types have been used elsewhere.
A road ...
s (many of which were over twenty years old). 155 locomotives (122 GP7, 31 GP9 and two GP18) were rebuilt by the SCL.
The program
155 locomotives were rebuilt by the Seaboard Coast Line. The vast majority of them came from
Atlantic Coast Line,
Seaboard Air Line
The Seaboard Air Line Railroad , which styled itself "The Route of Courteous Service," was an American railroad which existed from April 14, 1900, until July 1, 1967, when it merged with the Atlantic Coast Line Railroad, its longtime rival, t ...
and their subsidiaries (
Atlanta and West Point Railroad
The Atlanta and West Point Rail Road was a railroad in the U.S. state of Georgia, forming the east portion of the Atlanta- Selma West Point Route. The company was chartered in 1847 as the Atlanta and LaGrange Rail Road and renamed in 1857; constr ...
,
Charleston and Western Carolina Railway
The Charleston and Western Carolina Railway (C&WC) was formed in 1896 to operate the lines of the former Port Royal and Augusta Railway (PR&A) and the Port Royal and Western Carolina Railway (PR&WC). The PR&A and PR&WC had originally been part o ...
,
Georgia Railroad
Georgia most commonly refers to:
* Georgia (country), a country in the Caucasus region of Eurasia
* Georgia (U.S. state), a state in the Southeast United States
Georgia may also refer to:
Places
Historical states and entities
* Related to the ...
,
Western Railway of Alabama
The Western Railway of Alabama (WRA) also seen as "WofA" was created as the Western Railroad of Alabama by the owners of the Montgomery & West Point Railroad (M&WP) in 1860. It was built to further the M&WP's development West from Montgomery, Ala ...
,
Winston-Salem Southbound Railway
The Winston-Salem Southbound Railway is a short-line railroad jointly owned by CSX Transportation and the Norfolk Southern Railway (NS), which provide it with equipment. It connects with NS at the north end in Winston-Salem, CSX at the south ...
); eight units came from
Clinchfield Railroad
The Clinchfield Railroad was an operating and holding company for the Carolina, Clinchfield and Ohio Railway . The line ran from the coalfields of Virginia and Elkhorn City, Kentucky, to the textile mills of South Carolina. The 35-mile segmen ...
(with one of them ex
Nashville, Chattanooga and St. Louis Railway
The Nashville, Chattanooga and St. Louis Railway was a railway company that operated in the U.S. states of Kentucky, Tennessee, Alabama, and Georgia. It began as the Nashville and Chattanooga Railroad, chartered in Nashville on December 11, 1845, ...
), not counting the six units rebuilt at Paducah; seven units came from the
Louisville and Nashville Railroad
The Louisville and Nashville Railroad , commonly called the L&N, was a Class I railroad that operated freight and passenger services in the southeast United States.
Chartered by the Commonwealth of Kentucky in 1850, the road grew into one of the ...
(including four ex-
Chicago and Eastern Illinois Railroad
The Chicago and Eastern Illinois Railroad was a Class I railroad that linked Chicago to southern Illinois, St. Louis, and Evansville. Founded in 1877, it grew aggressively and stayed relatively strong throughout the Great Depression and two Worl ...
units).
The required modifications took nine weeks per unit on average to complete. The rebuild work was done at the railroad's Uceta Shops near
Tampa
Tampa () is a city on the Gulf Coast of the U.S. state of Florida. The city's borders include the north shore of Tampa Bay and the east shore of Old Tampa Bay. Tampa is the largest city in the Tampa Bay area and the seat of Hillsborough County ...
,
Florida
Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
, with the engines, bogies and traction motors rebuilt at Waycross and
Jacksonville
Jacksonville is a city located on the Atlantic coast of northeast Florida, the most populous city proper in the state and is the List of United States cities by area, largest city by area in the contiguous United States as of 2020. It is the co ...
.
The program resulted in a cost savings of almost 50% over buying new locomotives.
Included in the program:
* Rebuilding the underframe assembly;
* Remanufacturing the
Blomberg B
The Blomberg B is a 2-axle bogie that was introduced by EMD in 1939 with the FT locomotive series; the original "B" version plus later "M" and "X" versions were quite successful and became standard equipment on a multitude of locomotive models ...
two-axle
trucks
A truck or lorry is a motor vehicle designed to transport cargo, carry specialized payloads, or perform other utilitarian work. Trucks vary greatly in size, power, and configuration, but the vast majority feature body-on-frame construction ...
, generators, and traction motors (all GP16s were configured with a
B-B wheel arrangement);
* Replacing the existing
567 prime mover
Prime mover may refer to:
Philosophy
*Unmoved mover, a concept in Aristotle's writings
Engineering
* Prime mover (engine), motor, a machine that converts various other forms of energy (chemical, electrical, fluid pressure/flow, etc) into energy o ...
with a new
EMD 645
The EMD 645 is a family of diesel engines that was designed and manufactured by the Electro-Motive Division of General Motors. While the 645 series was intended primarily for locomotive, marine and stationary engine use, one 16-cylinder versio ...
series
diesel engine
The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...
, which boosted the horsepower rating to 1,600 in the case of the former GP7 locomotives. This gave rise to the ''16'' designation.
* Removal of the
dynamic brakes, and installation of a new type 26L air brake system.
* Installation of a new high-voltage cabinet.
* Lowering the front nose of the carbody to improve visibility, and retrofitting with a new cab and standard AAR control stand.
Ancillary benefits included a lowered engine idling speed and increased fuel efficiency. SCL committed over 100 of its personnel to the conversion program. The first GP16 emerged from SCL's Uceta (
Tampa
Tampa () is a city on the Gulf Coast of the U.S. state of Florida. The city's borders include the north shore of Tampa Bay and the east shore of Old Tampa Bay. Tampa is the largest city in the Tampa Bay area and the seat of Hillsborough County ...
) shop in June 1979 while the last was placed into service during November 1982.
In service
The rebuilt locomotives saw service throughout the system, engaging in a variety of duties from local switching to main-line freight hauling. Though SCL became part of
CSX
CSX Transportation , known colloquially as simply CSX, is a Class I freight railroad operating in the Eastern United States and the Canadian provinces of Ontario and Quebec. The railroad operates approximately 21,000 route miles () of track. ...
in the 1980s, the majority of the units remained active until 1992, when the bulk of the roster was retired and sold-off. Many GP16s remain in active service today on
short line railroad
:''Short Line is also one of the four railroads in the American version of the popular board game Monopoly, named after the Shore Fast Line, an interurban streetcar line.''
A shortline railroad is a small or mid-sized railroad company that opera ...
s around the country, far exceeding their 15-year projected lifespan.
In 1993, the
United States Army
The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...
bought a small number of GP16s from CSX, which led some people to think the Army built it. The locomotives were sent to
Conrail
Conrail , formally the Consolidated Rail Corporation, was the primary Class I railroad in the Northeastern United States between 1976 and 1999. The trade name Conrail is a portmanteau based on the company's legal name. It continues to do busin ...
's
Juniata Locomotive Shops to be remanufactured under contract with the Army. When they were completed, Conrail put a GP9M plate on them. These locomotives are controlled by Woodward PGR type diesel engine governors.
File:CSX 1710 at Atlanta, GA on June 10, 1987 02 (22741249726).jpg, Two CSX
CSX Transportation , known colloquially as simply CSX, is a Class I freight railroad operating in the Eastern United States and the Canadian provinces of Ontario and Quebec. The railroad operates approximately 21,000 route miles () of track. ...
EMD GP16s, still in Seaboard Coast Line Railroad
The Seaboard Coast Line Railroad was a Class I railroad company operating in the Southeastern United States beginning in 1967. Its passenger operations were taken over by Amtrak in 1971. Eventually, the railroad was merged with its affiliate li ...
livery
File:Conrail plate on USAX 4635, a GP16.JPG, A plate Conrail
Conrail , formally the Consolidated Rail Corporation, was the primary Class I railroad in the Northeastern United States between 1976 and 1999. The trade name Conrail is a portmanteau based on the company's legal name. It continues to do busin ...
on USAX 4635, a GP16 at Fort Eustis
Fort Eustis is a United States Army installation in Newport News, Virginia. In 2010, it was combined with nearby Langley Air Force Base to form Joint Base Langley–Eustis.
The post is the home to the United States Army Training and Doctrine Co ...
, Virginia
Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
, when remanufactured in 1993
File:USAX 4635 GP16.jpg, CSX sold many GP16s to the United States Army
The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...
and today #4635 serves at Fort Eustis
Fort Eustis is a United States Army installation in Newport News, Virginia. In 2010, it was combined with nearby Langley Air Force Base to form Joint Base Langley–Eustis.
The post is the home to the United States Army Training and Doctrine Co ...
File:CWRY444GP16.JPG, Rail Link No. 444, a GP16 rebuild, works on the Commonwealth Railway
The Commonwealth Railway, Inc. is a United States Class III short-line railroad operating of track of a former Norfolk, Franklin and Danville Railway line from Suffolk, Virginia, to Portsmouth, Virginia. The main office is in the Wilroy area ...
in Suffolk, Virginia
Suffolk is an independent city in the Commonwealth of Virginia, and as such has no county. As of the 2020 census, the population was 94,324. It is the 9th most populous city in Virginia and the largest city in Virginia by boundary land area as ...
Other units called GP16
*In the late 1960s through the early 1970s, the
Missouri Pacific
The Missouri Pacific Railroad , commonly abbreviated as 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. In 1967, the railroad ...
repowered their entire roster of high-hood
ALCO RS-11
The ALCO RS-11 is a class of diesel-electric locomotive rated at , that rode on two-axle trucks, having a B-B wheel arrangement. This model was built by both Alco (327 units) and Montreal Locomotive Works (99 units). Total production was 426 uni ...
s with
EMD 567
The EMD 567 is a line of large medium-speed diesel engines built by Electro-Motive Diesel, General Motors' Electro-Motive Division. This engine, which succeeded Winton Motor Carriage Company, Winton's 201A, was used in EMD's locomotives from 193 ...
series diesel engines. These converted units were designated by the MP as "GP16s" presumably to reflect their new horsepower rating.
*Clinchfield Railroad had six GP7s rebuilt by ICG Paducah and they were called GP16s, but built to the same standard as ICG GP11s. When the CSX merger occurred these engines were grouped as GP16s. Two notable features were the angled cab and air intake filters.
See also
*
List of GM-EMD locomotives
The following is a list of locomotives produced by the Electro-Motive Corporation (EMC), and its successors General Motors Electro-Motive Division (GM-EMD) and Electro-Motive Diesel (EMD).
Streamlined power cars and early experimental locomotive ...
References
*
*
*
* SCL's TAMPA REBUILD – THE "GP16" by Doug Nuckles and the Diesel Era Staff, Diesel Era July August 1994 pp. 27–40
External links
EMD GP16 complete roster and origins ''trainweb.org''.
''CSX photo archives,'' ''trainweb.org''.
{{EMD diesels
B-B locomotives
Electro-Motive Diesel locomotives
Seaboard Coast Line Railroad
Seaboard System Railroad
Diesel-electric locomotives of the United States
Railway locomotives introduced in 1979
Standard gauge locomotives of the United States