by goodnightjohnwayne
What Caterpillar diesel is in the rebuilt SD-50 "PR43C" locomotives for NS?
I've seen references to the new C175-16, but also to the C280-12, which was an update on the 3612?
In addition, there are the mysterious SD-40 rebuilds for UP, which have been quoted at 3,005 hp, and as having a 3516 variant, although the precise designation is a mystery?
Looking back a few years, the C175 was supposed to replace the lower end of the 3600 family and slot above the higher end of the 3500 family, while the C32 was direct 3500 series replacement?
It looks as if Caterpillar is getting very serious about the North American locomotive market, but there doesn't seem to be very much in the public domain, especially in regard to the new Progress Rail rebuilds?
Does anyone have more information?
I've seen references to the new C175-16, but also to the C280-12, which was an update on the 3612?
In addition, there are the mysterious SD-40 rebuilds for UP, which have been quoted at 3,005 hp, and as having a 3516 variant, although the precise designation is a mystery?
Looking back a few years, the C175 was supposed to replace the lower end of the 3600 family and slot above the higher end of the 3500 family, while the C32 was direct 3500 series replacement?
It looks as if Caterpillar is getting very serious about the North American locomotive market, but there doesn't seem to be very much in the public domain, especially in regard to the new Progress Rail rebuilds?
Does anyone have more information?