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The 80/90MAC is one of today's most powerful
locomotives, seen throughout North America on Class I mainline
railroads.
Weighing in at more than 400,000 pounds
and with a length in excess of 80 feet, the SD80MAC is one of
the heaviest and longest single diesel locomotive in the world.
The 80/90MAC series was introduced by EMD
in late 1995.
Conrail was the first railroad to receive
the 80MAC in early 1996. As it would turn out, Conrail would
be the only original buyer of this locomotive, even purchasing
both of the demonstrator units. CSX and Norfolk Southern have
since acquired these units.
The behemoth SD80 can generate up to 5,000
horsepower.
The maximum speed of the SSD80MAC is 75
mph.
The SD80MAC is equipped with the revolutionary
radial truck, the EMD HTCR-II, capable of reducing the angle
of wear between wheels and rail. While keeping the wheels parallel
to the direction of the track, this truck literally steers the
locomotive through curves. This new technology improves locomotive
adhesion and performance, eliminates several conventional truck
components, extends locomotive component and track life and
improves the ride quality. . (Source: "Mechanically Speaking,"
Volume 3, Issue 12)
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