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The Railpower GG20B Green Goat is a
low-emissions diesel
hybrid switcher locomotive built by Railpower Technologies Corp. It
is powered by a single Caterpillar C9 I6
engine developing 300 horsepower (224 kW), which is also
connected to a large battery bank where both sources combine for a
total power output of 2,000 horsepower (1,490 kW). To date, there have
been more than 50 GG20B diesel hybrid genset switchers manufactured
since their first introduction in 2004.[2]
Original
Buyers
| Railroad |
Quantity |
Road numbers |
Notes |
| Bechtel Group |
1
|
2000
|
|
| BNSF
Railway |
4
|
1210-1213
|
|
| Canadian Pacific Railway |
6
|
1700-1705
|
Railpower contract later terminated, units sent to
different owners.
|
| Kansas City Southern
Railway |
2
|
1868-1869
|
|
| Lubrizol
Corporation |
1
|
2006
|
|
| Modoc Rail Academy |
1
|
2608
|
|
| Railpower Technologies |
5
|
2401-2405
|
Demonstration Units
|
| Railserve |
10
|
414, 1602, 1621, 1810, 2402, 2605, 4495, 4547, 8049, &
9140
|
Ordered with non-consistent running numbers.
|
| Union Pacific Railroad |
21
|
Y2004 & Y2300-2319
|
Units classed by UP as "GG20GE".
|
| United
States Army |
4
|
6000-6003
|
|
| Total |
55[3] |
|
|
Fuel Cell
Testbed
BNSF Railway
and Vehicle Projects converted a GG20B to an experimental testbed,
for the use of hydrogen fuel cells. The new
locomotive is designated HH20B. This locomotive was publicly
demonstrated for the first time on June 29, 2009, at Topeka,
Kansas.[4][5]
The locomotive, BNSF 1205, was built initially for the Canadian Pacific Railway, but
was not delivered, due to the cancellation of the order. It was
sold to BNSF in 2008, and shipped to the railroad's shops at
Topeka, Kansas for conversion. The diesel generator set was
removed, and the fuel cell power unit was installed in its place.
Hydrogen storage is in a set of tanks installed in a heavily vented
enclosure on top of the locomotive's long hood, above the batteries.[6]
See also
References
External images
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