Walthers Proto - HO Scale - EMD SD45 Rebuilt To SD40M-2 Standards - DCC w/Sound - Canadian Pacific (CP) #5496 - Red/White/Blue Twin Flags Scheme (SKU 920-41070)
Available On: March 1, 2016
In 1965, EMD introduced the six axle SD45. It featured a new 3600 HP EMD 645E3 20 cylinder prime mover. The new engine fit on the same frame as earlier EMD units such as the SD40, but provided an additional 600 horsepower. At the time, this was the most powerful single motor locomotive produced. While moving, the locomotive used less fuel per mile than the SD40's, but did use more when idling owing to the additional four cylinders.
Early on, SD45's were not as reliable as hoped, as the 645E3 did occasionally break crankshafts. EMD addressed this issue by strengthening the block and redesigning the crankshaft, but sales were modest. Production ran from 1965 to the end of 1971 with a total of 1260 units built for North American railroads. It was replaced with the SD45-2 in 1972, along with the rest of the -2 series locomotives. The SD45-2 fared even worse, with few orders, it was discontinued in 1974. The SD45 and SD45-2 were far outpaced by the EMD GP38-2 and SD40-2 locomotives.
Original operators included Great Northern, Northern Pacific, Santa Fe, Southern Pacific and Union Pacific. Some SD45's remain in service today with secondary owners and leasing companies. Most of the remaining units have been rebuilt with sixteen-cylinder 645's, essentially making them SD40's and SD40M-2s depending on the level of upgrades done. Though these locomotives saw limited success in sales, they have gone on to have long service lives and rebuilt examples will certainly be around for years to come.
Based on rebuilt SD40M-2's in service from 1995 to retirement in 2007-2010. These were second hand units CP bought and had repowered and upgraded to SD40M-2 specifications. At this time, the SD40-2 was the backbone of CP motive power and these, like the SD40-2F were a way to add more units of a similar nature to the fleet. Only a few were produced as CP was beginning to move towards new GE AC4400CW units. These CP SD40M-2 units feature:
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