RE: [ihc] RA-15 / RA-20

[bearbvd@xxxxxxxxxxxxxx (Greg Hermann)]

At 11:50 PM 11/1/03, Mac @ TRIAD wrote:
>## >> Eaton 15201? Inquiring minds with obscure parts inventories
>## >> want to know ;)
>## >>
>## >> FWIW, the RA-15 and RA-20's are the same carrier(3rd member,
>## >> whatever),
>## >> housing and axles with up-rated wheel bearings and hubs to
>## >> account for the
>## >> higher weight rating of the RA-20. This according to IH publication
>## >> CTS-402, which is available for viewing on Allan W's web site.
>## >>
>## >> Jim
>
>the question on my mind now is...
>
>why does the RA-15 have bigger brakes than an RA-20?  according to Greg and
>as measured on the RA-15 that my B122 originally came with, the RA-15 has
>14" brake drums with the six on seven and a quarter lug pattern, where the
>RA20 with the standard eight lug (i forget what diameter)--just like my
>current D60FF has--carries 12" drums.  why?

More confusion here, mac.

I think you have one of the later RA15's, with the eight lug hubs ('69 and
later.)

My understanding is that the RA20's came with five on eight lugs for Budd
five hole wheels.

Greg
>
>bigger brakes, lower weight rating.  smaller brakes, higher weight rating.
>what gives?
>
>--Mac
>
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