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

["Mac @ TRIAD" <mac@xxxxxxxxxxxx>]

## >> BIG difference between a 1200 4x4 and a 1300 4x4  is the
## >> steel and bronze
## >> spring bushings all around on the 1300 vs. the rubber stuff
## >> on a 1200. BTW,
## >> the 1300 2x4's had rubber spring bushings all around. ALL
## >> 1500's , both 2x4
## >> and 4x4, both heavy and "light" (light being the equivalent
## >> of a latter day
## >> 1400 or 140) had steel on bronze bushings.

is there a way to tell that without taking the spring hangers apart?  i
mean, to tell if they're rubber or steel and bronze, just by looking from
the outside?

## >> BIG difference between a 1300 and a 1500 4x4 is the depth of the frame
## >> rails and the rear springs and mounting for them. Front ends
## >> 1300 vs. 1500
## >> are pretty much the same EXCEPT for the hubs, brakes and wheels and
## >> tires--and likely the thickness of the material in the frame
## >> rails. 1300
## >> 4x4's , even pre-'69, came with 12" front brakes, the 1500's have 14".
## >> 1500's have the 5 hole wheels and hubs. The 70F front end was even an
## >> option in the 1600 4x4's (as an FA58), although in this
## >> application it was
## >> noticeably WIDER than the 1300/1500 ones.

my question would be why would someone want a D70 instead of the IH axle?

## >> Well--if the five hole hubs are what distinguish an RA20 from
## >> an RA15, I
## >> think it's pretty unlikely! Sure as heck have never seen a
## >> 1300 with 5 on 8
## >> lug pattern !!

trucks produced for the military and/or government in 130/1300/1310 and up
were often five on eight.  the Crismon book shows at least one of these.
Page 370 of the Crismon book shows a 1964 C1300 brush fire truck with five
on eight.  i've seen others, but right offhand i can't find the pictures.
here on post, most military trucks smaller than a deuce and a half, as well
as most of the trailers, are either the common eight lug found on the
HMMWVs, or the five on eight.  nearly all of the generator and missile
trailers are five on eight.  there was a smaller WWII Dodge ambulance on
display in front of one of the headquarters buildings with five on eight,
but it's gone now.

## >> Does your 1200 C have the HD 44F, like what came in the
## >> Travellettes ?? As
## >> in the BIG closed knuckles (just like those on a 70F) and the
## >> 5/8" wall
## >> axle housing tubes ?? Or , is it just a regular 44F ??

the HD44F on the front of my 1110 is a freak.  it's got the thicker tubes,
but the original large knuckles have been chopped off and replaced with the
small knuckles.  to this day i do not understand why that was done.  whoever
did it kept the big 12"x3" brake hardware, though.

## >> That's OK, SOMEWHERE , there's a D*DGE application with a 70F
## >> with OPEN
## >> knuckles and DISC brakes !!!

and this will fit an IH truck, maybe?

--Mac

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Krystof "Mac" MacBryghde
TyrGothi

http://master.triad.ath.cx/