EMD TR1

EMD TR1

Infobox Locomotive
name = EMD TR1
powertype = Diesel-electric


imagesize = 300
caption = TR1 #9251 in 1942.
designer =
builder = General Motors
Electro-Motive Division
serialnumber =
buildmodel = TR1
builddate = 1941
totalproduction = 2 pair
aarwheels = B-B+B-B
gauge = RailGauge|ussg
trucks = Blomberg B
wheeldiameter =
wheelbase =
length =
width =
height =
framesize =
axleload =
weight =
fuelc

primemover = EMD 12-567
enginetype = 2-stroke diesel
aspiration =
displacement =
alternator =
generator =
tractionmotors =
cylindercount = 12
transmission =
topspeed =
poweroutput = convert|1350|hp|abbr=on
tractiveeffort =
factorofadhesion =
locobrakes = Straight air
trainbrakes = WABCO 26L airfact|date=August 2008|contemporary road locomotives had 24RL brakes
safety =
railroad = Illinois Central Railroad
railroadclass =
numinclass =
roadnumber =
officialname =
nicknames =
locale =
deliverydate =
firstrundate =
lastrundate =
retiredate = 1966
restoredate =
scrapdate =
currentowner =
disposition = Traded for parts

The EMD TR1 was a two-unit "cow-calf" diesel locomotive built by General Motors Electro-Motive Division of La Grange, Illinois in 1941. Two pairs were built for the Illinois Central Railroad, the only purchaser.

The locomotive units strongly resembled the EMD NW3, with a long frame, Blomberg B road trucks, and a large cab connected to a wide area of hood that tapered going forward. The locomotives incorporated the machinery of the EMD FT in switcher bodywork; a V16 EMD 567 diesel engine of convert|1350|hp|abbr=off 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 operated in the St. Louis, Missouri area on transfer service, hauling cuts of cars between different yards in the area.

Both remained in this service until they were retired in 1966 and traded in to EMD in part exchange for new EMD GP40 locomotives.

References

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