Mastodon (4-8-0)

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Mastodon (4-8-0)

Postby b&m 1566 » Tue Jul 26, 2016 3:04 pm

I was browsing the internet and came across a photo of a 4-8-0 that caught my attention. http://www.rwrightrr.com/photos/pv.asp?pid=3217

I've never seen pictures of a 12 wheeler with drivers that were big like these. The leading axles look to be similar in size as the the axles on the tender. A quick comparison to that of the Strasburg Rail's 4-8-0 the leading axles are noticeably smaller because of the smaller drivers.
What company built these size 4-8-0's? I realize this is a railroad in Mexico but would like to know if any US railroads had these types of 4-8-0 too?
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Re: Mastodon (4-8-0)

Postby NorthWest » Tue Jul 26, 2016 4:08 pm

NdeM 3002 is a PR-8, built by Baldwin in 1935(!). No other railroads purchased similar locomotives, or 4-8-0s after about 1915, for that matter.

I've always liked the PR-8s.
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Re: Mastodon (4-8-0)

Postby b&m 1566 » Tue Jul 26, 2016 5:18 pm

From what I can gather these engines for this railroad were retired in 1962 and 63. Are any of them around still?
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Re: Mastodon (4-8-0)

Postby NorthWest » Tue Jul 26, 2016 7:51 pm

I don't think so.
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Re: Mastodon (4-8-0)

Postby Allen Hazen » Wed Jul 27, 2016 5:38 pm

Railways in different countries seem to have had different views about the wheel arrangements appropriate for different services. I believe that in France, between WW I and WW II, a class of 4-6-2 were rebuilt (under Chapelon's direction) as 4-8-0 … for express passenger service!
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Re: Mastodon (4-8-0)

Postby Allen Hazen » Wed Jul 27, 2016 5:46 pm

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Re: Mastodon (4-8-0)

Postby NorthWest » Wed Jul 27, 2016 11:11 pm

I should always add the 'in North America' caveat because the rest of the world, particularly Europe, had differing ideas. Italy, for example, almost completely avoided the four-wheel front truck.

NdeM had its other quirks, though, my favorite being the high speed simple 2-6-6-2s. A pity they weren't used elsewhere.
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