Decoding the Truck Classes

[NW Mailing List]

Jim B / John T

I dragged out my copy of Dow's Norfolk and Western Coal Cars from 1881 to 1998. Appendix B p218-219 has about 1 1/2 pages of truck descriptions ordered by N&W class designation.  It includes  truck type, bearing dimension, and car classes using the truck. Unfortunately the T175 is not listed as it was apparently not assigned to any hopper cars. 

I bring this up as it may provide a good start to compiling a full list of freight trucks for modeling use and prototype reference. 

Sorry I did not have an answer to your specific question

Jim Stapleton
Northernmost VA

> On Mar 10, 2019, at 10:31, NW Mailing List <nw-mailing-list at nwhs.org> wrote:
> 
> Searching the NWHS archives for T175 yields this hit:
> 
> http://www.nwhs.org/archivesdb/listdocs/select.php?index=search&Searchword=T175; obtaining a copy of this document "may" indicate the original manufacturer of the truck.  I have viewed some truck drawings at the archives where there is a notation to the effect of "traced from Buckeye......", etc. 
> 
> N&W usually assigned its own class to most equipment; the exception that readily comes to mind is the diesels; however most other freight, passenger and steam equipment had N&W specific class designation.
> 
> I am not aware of any cross-reference for N&W truck classification with actual manufacturer; such a cross-reference, however, might be a useful resource for modelers.
> 
> Jim Brewer
> Glenwood MD
> 
> 
> 
>> On Sun, Mar 10, 2019 at 10:07 AM NW Mailing List <nw-mailing-list at nwhs.org> wrote:
>> I have a copy of the 1975 N&W General Manager Motive Power and Equipment List reprinted by the Society some years ago. In the equipment lists, truck classes are provided. But no descriptions or decoders are included for the truck class numbers. Is there a cross reference that describes builder and type for a given class number? And are these codes N&W specific or are they an AAR code?
>> 
>> Specifically, I have ordered a B-121 boxcar kit from Cannon & Co. I have to supply a pair of trucks. The equipment list specifies that the B-121’s had T175 class trucks (with 6”x11” roller bearing journals). But to be as accurate as possible I would like to find what the T175 truck is and then what is the closest HO model available. I would have the same question on some of the other classes, but this is my current puzzle. I searched the archives for T175 and got a hit on the Letter of Approval for the B-121 boxcar. The data may be in there, but I wonder if there is a class list for trucks similar to the equipment list? Or has there been an article written on the subject?
>> 
>>  
>> 
>> Thanks for any knowledge that you can send my way.
>> 
>> Don Trettel
>> 
> 
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