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The orders for these units were basically an extension of NS's previous order for the standard cab Dash 9-40C (or C40-9) (see above). They were built under the same premise that a lower power rating than the 4,400 hp (3,300 kW) rating of the Dash 9-44CW (or C44-9W) (see below) would prolong the life of the engine, and use less fuel.
The 25-tonners have been nicknamed "critters" by operators and railfans alike, due to their small size. This nickname is shared with similar GE products such as the closely related 23-ton switcher. [1] Starting in the 1970s, most 25-ton switchers were gradually replaced, either by more powerful and modern switcher locomotives, or by railcar ...
It is essentially an SD40-2 with a full cowl hood. CP was the only buyer, buying 25 units, numbered 9000-9024. Most have been scrapped, but 10 were sold to the Central Maine and Quebec Railway. When CP acquired CMQ in 2020, the 10 SD40-2Fs became CP's once again. One unit was rebuilt to a hydrogen fuel cell locomotive in 2021-2022.
7 Proposed merge of Central Texas Gravel Locomotive No. 210 into GE 25-ton switcher
Fourteen units were built after ALCO's withdrawal: two 50-ton units, eleven 100-ton units and one 120-ton unit. The 120-ton unit was an experimental unit with one larger 6 cylinder engine. The last 100-ton unit was produced in 1930 on stock and sold in 1935 to the Belt Railway of Chicago , where it was given the road number 301.
The levelized cost of electricity (LCOE) is a metric that attempts to compare the costs of different methods of electricity generation consistently. Though LCOE is often presented as the minimum constant price at which electricity must be sold to break even over the lifetime of the project, such a cost analysis requires assumptions about the value of various non-financial costs (environmental ...
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