Author Topic: tank cars: 38" wheels?  (Read 1562 times)

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tom mann

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tank cars: 38" wheels?
« on: November 27, 2007, 09:54:58 PM »
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Do any tank cars run on 38" wheels?

cv_acr

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Re: tank cars: 38" wheels?
« Reply #1 on: November 27, 2007, 11:06:43 PM »
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You mean 36"?

Maybe I'm a little out of touch with the really modern stuff, but I haven't heard of 38" wheels.

Ryan87

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Re: tank cars: 38" wheels?
« Reply #2 on: November 27, 2007, 11:26:30 PM »
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Why do you ask? Do you have a specific car in mind?

As far as I know the only instances of 38" wheels is between cars on modern articulated intermodal cars.
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daniel_leavitt2000

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Re: tank cars: 38" wheels?
« Reply #3 on: November 28, 2007, 12:20:43 AM »
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I belive that restrictions on liquid loading on a single car prevents a car large enough to require a 38" wheel. This is why we don't see any more whalebelly tanks today.
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3rdrail

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Re: tank cars: 38" wheels?
« Reply #4 on: November 28, 2007, 09:15:49 AM »
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125 ton cars require 38" wheels. That is Maximum Gross Weight on Rails (MGWR) of 315,000 lbs. As Daniel says, the FRA has limited the size of hazmat cars, so there are few, if any, 315,000#MGWR tank cars.

tom mann

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Re: tank cars: 38" wheels?
« Reply #5 on: November 28, 2007, 09:20:45 AM »
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I was looking at the nice HO scale wheels and trucks here:

http://www.proto87.com/page55.html

and noticed that the rollerbearing came in 38" size.  Like Ryan, I seem to remember that only articulated intermodal cars had 38s.

3rdrail

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Re: tank cars: 38" wheels?
« Reply #6 on: November 28, 2007, 09:28:35 AM »
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I was looking at the nice HO scale wheels and trucks here:

http://www.proto87.com/page55.html

and noticed that the rollerbearing came in 38" size.  Like Ryan, I seem to remember that only articulated intermodal cars had 38s.
There are some gons and coil cars with 38 inch wheels and 125 ton capacity.

Robbman

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Re: tank cars: 38" wheels?
« Reply #7 on: November 28, 2007, 09:35:27 PM »
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Message deleted
« Last Edit: January 27, 2008, 08:05:32 PM by Robbman »

3rdrail

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Re: tank cars: 38" wheels?
« Reply #8 on: November 28, 2007, 10:04:00 PM »
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I was looking at the nice HO scale wheels and trucks here:

http://www.proto87.com/page55.html

and noticed that the rollerbearing came in 38" size.  Like Ryan, I seem to remember that only articulated intermodal cars had 38s.
There are some gons and coil cars with 38 inch wheels and 125 ton capacity.


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Don't know where they ended up, but the P&LE had them.  I once had a very nice book from the P&LE showing all their car types and series, with capacities, dimensions, photos, etc. When one of the clerks in the AN Railroad's freight office came back with a yard check showing a "half a box" on one track (it was a gondola), I loaned it to the trainmaster and suggested the girls needed a little training in car types. I never saw it again...

atsf

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Re: tank cars: 38" wheels?
« Reply #9 on: December 10, 2007, 10:00:28 AM »
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Yes.  There are tank cars that have 38" wheels and 7" x 12" bearings.  The ones that I am familiar with are CONX 13XX series cars built in 1967.  They are approx 30,000 gallon capacity and they are placarded hazmat cars.