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Well, at first glance they look like regular SD (6-axle) diesels.  Then you think they're not quite as long as those other SDs.  Then you think that's why their trucks look a bit shorter too, which is maybe why they don't look the same as the ones on those regular SDs - more holes?  Then some smartass walks up and asks if you noticed the wheels are about 2" bigger than on those other SDs.  Great hobby, even the smartasses are worth listening to occasionally

Jason

Well, at first glance they look like regular SD (6-axle) diesels.  Then you think they're not quite as long as those other SDs.

That's because they are built on a shorter/lighter underframe.

Then you think that's why their trucks look a bit shorter too, which is maybe why they don't look the same as the ones on those regular SDs - more holes?

The trucks may LOOK shorter, but they are the same as other SD 3-axle trucks, just with hollow/lighter weight  bolsters & frames.

Then some smartass walks up and asks if you noticed the wheels are about 2" bigger than on those other SDs.  Great hobby, even the smartasses are worth listening to occasionally

Well, speaking as a "smartass" who worked for EMD for almost 37 years, the trucks, GP, SD, and SW of that era, ALL had 40" diameter wheels, i.e. NOT "2" bigger". The 42" diameter wheels didn't come along until the late 1990s

Jason

It almost looks like a 'kit bash' project. A chassis from a Lionel SD18 and a body shell from a GP38. Not 100% accurate, but fairly close.

That would bear somewhat of a resemblance, and if you're using the lionel parts you suggested than it would likely look the part in a lionel toy train fleet.

That being said: there are enough differences between the sdl39 and any other locomotive that I think it would be extremely hard (not impossible) to capture the true look with anything but a properly done brass model.

Last edited by Oxolotleman

Terrific stuff Mike, must crack on with my D&H Bi-Cen chop-nose RS3u!

Dick, I think I found it from Google and I'll try that again to find the source.  The reference to Chilean railways surprised me because I kid myself I saw the drawing with the noticeable difference in dimensions from way back before they went there.  Anyway, can't remember if I've had my second cuppa' tea this morning so ....

Jason

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