The EMD TR1 was a two-unit "
cow-calf
In rail transport, a cow-calf (also cow and calf) locomotive is a set of switcher-type diesel locomotives. The set usually is a pair; some 3-unit sets (with two calves, also known as herds) were built, but this was rare. A cow is equipped with a ...
"
diesel locomotive
A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving whee ...
built by
General Motors
The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and ...
Electro-Motive Division
Progress Rail Locomotives, doing business as Electro-Motive Diesel (EMD), is an American manufacturer of diesel-electric locomotives, locomotive products and diesel engines for the rail industry. The company is owned by Caterpillar through its sub ...
of
La Grange, Illinois
''(the barn)''
, nickname =
, motto = ''Tradition & Pride – Moving Forward''
, anthem = ''My La Grange'' by Jimmy Dunne
, image_map = File:Cook County Illinois Incorporated and Unincorporated areas La Grange Highlighted.svg
, mapsize = 26 ...
, in 1941. Two pairs were built for the
Illinois Central Railroad
The Illinois Central Railroad , sometimes called the Main Line of Mid-America, was a railroad in the Central United States, with its primary routes connecting Chicago, Illinois, with New Orleans, Louisiana, and Mobile, Alabama. A line also co ...
, the only purchaser.
The locomotive units strongly resembled the
EMD NW3, with a long frame,
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. ...
road
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 ...
, and a large cab connected to a wide area of hood that tapered going forward. The locomotives incorporated the machinery of the
EMD FT
The EMD FT is a diesel-electric locomotive that was produced between March 1939 and November 1945, by General Motors' Electro-Motive Corporation (EMC), later known as GM Electro-Motive Division (EMD). The "F" stood for Fourteen Hundred (1400) ...
in
switcher
A switcher, shunter, yard pilot, switch engine, yard goat, or shifter is a small railroad locomotive used for manoeuvring railroad cars inside a rail yard in a process known as ''switching'' (US) or ''shunting'' (UK). Switchers are not inten ...
bodywork; a
V16 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 ...
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 ...
of in each unit.
The cow and calf units were semipermanently coupled together with a drawbar instead of couplers, in similar fashion to the FT's twin-unit sets.
The two locomotive pairs were numbered 9250A&B and 9251A&B, later renumbered 1350A&B and 1351A&B. They initially were assigned to Markham Yard south of Chicago, IL, but by the early 1950s had been reassigned to the yard at East St. Louis, IL.
Both remained in this service until they were retired in 1966 and traded in to EMD in part exchange for new
EMD GP40
The GP40 is a 4-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between November 1965 and December 1971. It has an EMD 645E3 16-cylinder engine generating .
The GP40 is longer than its EMD 567D3A-engined pr ...
locomotives.
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
*
*
B-B+B-B locomotives
TR01
Illinois Central locomotives
Railway locomotives introduced in 1941
Diesel-electric locomotives of the United States
Cow-calf locomotives
Standard gauge locomotives of the United States
Bo′Bo′+Bo′Bo′ locomotives
Scrapped locomotives
{{diesel-loco-stub
Shunting locomotives