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    I recently ran across a couple of old sets of reefer car sides. They are for

   40' cars. I'd like to build cars to put these on. Normally I would assume 

    that arch bar trucks are appropriate for these but I've noticed most of

    the Atlas cars I've seen have Bettendorf trucks on them. I have both

    kinds of trucks and would just like to use the right ones. The build date

    printed on these is 1923 if that helps. Thanks for any info.

 

        Geoff

reefersides

reefersides

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Originally Posted by J Daddy:

Depends on what model year you model to. By Dec. 31 1939 Archbar trucks were banned by the federal government. Bettendorf trucks came on the scene in 1903 and had many evolution of design. The Andrews truck was used allot in the early years. Here is a link for reading...

 

http://mrr.trains.com/~/media/...reightcartrucks.ashx

If one does the reading: "They were banned from interchange service starting December 31, 1939."

 

They were on captive use for a good while longer.

Originally Posted by mwb:
Originally Posted by J Daddy:

Depends on what model year you model to. By Dec. 31 1939 Archbar trucks were banned by the federal government. Bettendorf trucks came on the scene in 1903 and had many evolution of design. The Andrews truck was used allot in the early years. Here is a link for reading...

 

http://mrr.trains.com/~/media/...reightcartrucks.ashx

If one does the reading: "They were banned from interchange service starting December 31, 1939."

 

They were on captive use for a good while longer.

Yes for one year later, however since they became a liability allot of railroads upgraded.

Originally Posted by J Daddy:
Originally Posted by mwb:
Originally Posted by J Daddy:

Depends on what model year you model to. By Dec. 31 1939 Archbar trucks were banned by the federal government. Bettendorf trucks came on the scene in 1903 and had many evolution of design. The Andrews truck was used allot in the early years. Here is a link for reading...

 

http://mrr.trains.com/~/media/...reightcartrucks.ashx

If one does the reading: "They were banned from interchange service starting December 31, 1939."

 

They were on captive use for a good while longer.

Yes for one year later, however since they became a liability allot of railroads upgraded.

Still, arch bar trucks didn't disappear entirely:

IRM 090702 02

 

Rusty

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Andrews was not really a truck type.  The Andrews side frame was a direct replacement for the arched bars of an arch bar truck.  It allowed the railroad to reuse most the the arch bar truck components including the bolt on journal boxes.  The reason the arch bar trucks were outlawed in interchange by the AAR was that the bent bars that made up the side frames tended to break at the bends.  Cars not in interchange service lasted in service with arch bar trucks into the 1980s

 

i believe that PFE used cast steel side frames on their large order of wooden refers right WWI. I do not know if other refer operators followed suit.  For a car built in 1923, either arch bar or Bettendorf trucks could have been used.  I do not think the Andrews side frame was introduced this early.

David, Andrews trucks came on the scene by 1910.  And if it isn't a truck type, what is it?  Yes, the design was to reuse as much of the old archbar parts as possible, but everything I've seen calls it a design or type of truck.  According to the article in bowestym's link the last archbars were built for the B&O in 1928, so five years before would indicate a technology on the way out.

A Bettendorf is a Bettendorf when it was manufactured by the Bettendorf Car Company.  It has been a common label applied to AAR cast trucks with intergral journals.   As you can see in Richard's informative article, there were many different suppliers of this style truck.   To be accurate, the truck should be called a AAR double truss if you don't know the supplier. 

 

Gene

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