The GP20D is a four-axle B-B

switcher locomotive A switcher locomotive (American English), shunter locomotive (British English), or shifter locomotive (Pennsylvania Railroad terminology) is a locomotive used for maneuvering railway vehicles over short distances. Switchers do not usually move ...

built by

MotivePower MotivePower, Inc. (MPI) is an American manufacturer of diesel-electric locomotives. The company is a wholly-owned subsidiary of Wabtec, and traces its history back to the MK Rail division of Morrison-Knudsen. History Morrison-Knudsen establ ...

and

Electro-Motive Diesel 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 s ...

. It was supplied with a Caterpillar 3516 ''(called a 16-170B20-T2 by EMD)'' V16 prime mover which develops a total power output of . To date, only 40 units have been produced by EMD, all of which were manufactured during June 2000. The GP20D is also a

hood unit A hood unit, in North American railroad terminology, is a body style for diesel and electric locomotives where the body is less than full-width for most of its length and walkways are on the outside. In contrast, a cab unit has a full-width c ...

with lowered long and short hoods based on MotivePower's earlier MP2000D locomotives. The changes between the MK2000D and the GP20D are primarily in the control electronics, making them easier to use than the older model. Although the GP20D is marketed as a switcher, it has a top speed of , and is usually fitted with dynamic brakes, making it suitable for

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 ...

duties as well. The similar appearing

EMD GP15D The GP15D is a four-axle B-B switcher built by MotivePower and Electro-Motive Diesel. It was supplied with a Caterpillar 3512 ''(called a 12-170B15-T2 by EMD)'' V12 prime mover which develops a total power output of . Ten units were manufactur ...

does not have dynamic brakes.

Original Buyers

References

External links

B-B locomotives GP20D Railway locomotives introduced in 2000 Diesel-electric locomotives of the United States EPA Tier 2-compliant locomotives of the United States Standard gauge locomotives of the United States Shunting locomotives {{diesel-loco-stub

Original Buyers

See also

References

External links