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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 six cylinder inline 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-electric hybrid switchers manufactured since their first introduction in 2004.[2]
| Railpower GG20B | |||||||||||||||||||||||
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 A Railpower GG20B hybrid genset in the Union Pacific paint scheme | |||||||||||||||||||||||
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Original Buyers
| Railroad | Quantity | Road number(s) | Notes |
|---|---|---|---|
| Bechtel Group | 1 | 2000 | Now S&S Sales and Leasing SSRX 2000[3] |
| BNSF Railway | 4 | 1210-1213 | 1205 Ex-Canadian Pacific Railway |
| Canadian Pacific Railway | 6 | 1700-1705 | Railpower contract later terminated, units sent to different owners. Amtrak 599 BNSF Railway 1205 |
| Kansas City Southern Railway | 2 | 1868-1869 | |
| Lubrizol Corporation | 1 | 2006 | |
| Modoc Railroad Academy | 1 | 2608 | Now S&S Sales and Leasing SSRX 2608[4] |
| 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[5] | ||
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. The locomotive was publicly demonstrated for the first time on June 29, 2009, at Topeka, Kansas.[6][7]
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.[8] To date, it is the largest land vehicle on earth to be powered exclusively by hydrogen fuel cells.[9]
See also
| External images | |
|---|---|
 RailPictures.Net Photographs of the Railpower GG20B at RailPictures.Net. | |
| Railroad Picture Archives Railpower GG20B photographs from Railroad Picture Archives. |
- List of low emissions locomotives
References
- Railpower GG20B Specifications
- Railpower Genset Switchers
- GG20B Generation-4 Hybrid Locomotive For Sale
- GG20B Generation- 3rd Generation Hybrid Locomotive For Sale
- Railpower GG20B Roster
- "New locomotive unveiled".
- "BNSF explores locomotive fuel cell".
- "Pictures of BNSF 1205".
- "Partnership to Produce Five Fuel Cell Mine Locomotives".
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