Old 05-23-2007, 08:53 AM   #1
Ryan W
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Default Got a couple questions

Hello all.

I'm new to "railfanning" and dont know that much about the different trains.


What kind of tanker car is this? I have never seen one of these before and its kinda odd looking.




Also, what is this odd looking engine?






I apologize for the poor quality of the photos, I am still learning how to use my camera.
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Old 05-23-2007, 12:40 PM   #2
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The tank car is designed to handle refridgerated ethylene - this flamable gas is not particularly toxic and is used for making plastics and organic chemicals. The box on the side contains various fittings and valves for loading and unloading. The vents on the side are vents to relieve excess pressure.

The locomotive is a "slug." It appears to be one of the units inherited from Conrail - manufactured from an Alco carbody and EMD trucks. Basically a "ballasted flatcar" a slug unit takes electrical power from the adjacent locomotive via heavy cables. This allows the locomotive to generate significantly higher tractive effort (pulling power) at lower speeds. CSX also has some road slug units that still have their original cab and car body.
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Old 05-23-2007, 07:10 PM   #3
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thanks for the information.

both of these pictures were taken at the Big Four yard in Avon if that helps to explain anything about the slug.
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Old 05-24-2007, 03:12 AM   #4
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A few rail yards have slugs. They're quite useful since the unit with the prime mover, or mother unit, can generate a good deal of excess electricity. Slugs are really only effective under 30mph.

Seaboard (I think) had an interesting set of F-unit slugs. It was in an A-B-B-A arrangement where the B units were the mothers and the A's were the slugs. The crew would control from the A units. It would be a lot more comfortable for them because they were away from the heat, noise, and vibrations of the prime mover. The quarto of F's were used on slow, heavy drag trains.
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Old 05-24-2007, 04:44 AM   #5
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Most of the active switching yards along CSX's lines in the mountains of WV and VA have gp40 / slug pairs, with the slugs being hollowed out geeps

Here's an example I took today, right before a very nasty storm hit.
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Old 05-24-2007, 07:55 PM   #6
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Here are some recent pics of a CSX slug:

CSX SD38-2S 2445 "mother" and MT-6 slug 1018.



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Old 05-24-2007, 07:56 PM   #7
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2445 is classed as a SD38-2S, but she began life as a SD40-2,
(de-rated to become a SD3 so she has the three SD40-2 fans on the roof rather than two for a "true" SD38.

2445 was ex- CSX SD40-2 2445, CSX 8195, nee L&N 3567.

MT-6 slug 1018 was built by Conrail in 1979 from an Alco RSD-15,
originally PRR 6813.

http://crcyc.railfan.net/locos/alco/rsd15/xpc6813ef.jpg

Scot
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Old 05-24-2007, 08:39 PM   #8
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In Scotty's photos, that rectangular box on the (photographer's) left side of 2445's nose is an interesting spotting feature...
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Old 05-26-2007, 06:19 AM   #9
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Quote:
Originally Posted by Ween
In Scotty's photos, that rectangular box on the (photographer's) left side of 2445's nose is an interesting spotting feature...
Does anyone know what that box is? I've seen it on other CSX units, such as this GP15T

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Old 05-27-2007, 02:22 AM   #10
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Does anyone remember the Santa Fe slug units? I seem to recall seeing them as a young child on the Transcon, but I remember seeing them commonly on fast intermodal freights. This makes me think that they weren't actually slugs, but something else.
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Old 05-27-2007, 02:37 AM   #11
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Those might have been GP60 B-units. Only 23 were built, and some are still in service for BNSf.
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Old 06-05-2007, 05:35 AM   #12
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Quote:
Originally Posted by Ween
In Scotty's photos, that rectangular box on the (photographer's) left side of 2445's nose is an interesting spotting feature...
Forget the box, what the heck is that pole coming off the roof?
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