The Class A and Roller Rods

[NW Mailing List]

Bud,
     Thank you for your reply!

Jimmy

On 1/9/2023 11:54 AM, NW Mailing List wrote:
> Jimmy, The two main reasons were expense and a lack of need. When 
> 1235-42 were built in 1949-50, three had conventional rods and the 
> last five lightweight rods like the J's. The lightweight rod A's cost 
> about $50K more to build because of the rods and the redesigned wheel 
> centers to accommodate the rods weighing 38 percent less. The A's with 
> conventional rods were adequate for moving heavy freight trains 
> between major terminals of about 120 miles where each engine were 
> lubricated after each run. The lightweight A's were for special used 
> in passenger service, moving troops trains and later Time Freights 77 
> and 78 over three districts without having to lubricate the rods. Bud 
> Jeffries
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://pairlist6.pair.net/pipermail/nw-mailing-list/attachments/20230109/9a760fbb/attachment-0001.htm>